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# 394 Rules Overview
<br>
## Categories
- [Arguments](#arguments) (5)
- [CodeQuality](#codequality) (72)
- [CodingStyle](#codingstyle) (36)
- [Compatibility](#compatibility) (1)
- [DeadCode](#deadcode) (47)
- [DependencyInjection](#dependencyinjection) (2)
- [EarlyReturn](#earlyreturn) (11)
- [MysqlToMysqli](#mysqltomysqli) (4)
- [Naming](#naming) (6)
- [PSR4](#psr4) (2)
- [Php52](#php52) (2)
- [Php53](#php53) (3)
- [Php54](#php54) (3)
- [Php55](#php55) (5)
- [Php56](#php56) (2)
- [Php70](#php70) (19)
- [Php71](#php71) (9)
- [Php72](#php72) (10)
- [Php73](#php73) (9)
- [Php74](#php74) (15)
- [Php80](#php80) (19)
- [Php81](#php81) (11)
- [Php82](#php82) (1)
- [Privatization](#privatization) (8)
- [Removing](#removing) (5)
- [RemovingStatic](#removingstatic) (1)
- [Renaming](#renaming) (11)
- [Restoration](#restoration) (4)
- [Strict](#strict) (5)
- [Transform](#transform) (34)
- [TypeDeclaration](#typedeclaration) (29)
- [Visibility](#visibility) (3)
<br>
## Arguments
### ArgumentAdderRector
This Rector adds new default arguments in calls of defined methods and class types.
:wrench: **configure it!**
- class: [`Rector\Arguments\Rector\ClassMethod\ArgumentAdderRector`](../rules/Arguments/Rector/ClassMethod/ArgumentAdderRector.php)
```php
use PHPStan\Type\ObjectType;
use Rector\Arguments\Rector\ClassMethod\ArgumentAdderRector;
use Rector\Arguments\ValueObject\ArgumentAdder;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ArgumentAdderRector::class,
[new ArgumentAdder('SomeExampleClass', 'someMethod', 0, 'someArgument', true, new ObjectType('SomeType'))]
);
};
```
↓
```diff
$someObject = new SomeExampleClass;
-$someObject->someMethod();
+$someObject->someMethod(true);
class MyCustomClass extends SomeExampleClass
{
- public function someMethod()
+ public function someMethod($value = true)
{
}
}
```
<br>
### FunctionArgumentDefaultValueReplacerRector
Streamline the operator arguments of version_compare function
:wrench: **configure it!**
- class: [`Rector\Arguments\Rector\FuncCall\FunctionArgumentDefaultValueReplacerRector`](../rules/Arguments/Rector/FuncCall/FunctionArgumentDefaultValueReplacerRector.php)
```php
use Rector\Arguments\Rector\FuncCall\FunctionArgumentDefaultValueReplacerRector;
use Rector\Arguments\ValueObject\ReplaceFuncCallArgumentDefaultValue;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
FunctionArgumentDefaultValueReplacerRector::class,
[new ReplaceFuncCallArgumentDefaultValue('version_compare', 2, 'gte', 'ge')]
);
};
```
↓
```diff
-version_compare(PHP_VERSION, '5.6', 'gte');
+version_compare(PHP_VERSION, '5.6', 'ge');
```
<br>
### RemoveMethodCallParamRector
Remove parameter of method call
:wrench: **configure it!**
- class: [`Rector\Arguments\Rector\MethodCall\RemoveMethodCallParamRector`](../rules/Arguments/Rector/MethodCall/RemoveMethodCallParamRector.php)
```php
use Rector\Arguments\Rector\MethodCall\RemoveMethodCallParamRector;
use Rector\Arguments\ValueObject\RemoveMethodCallParam;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
RemoveMethodCallParamRector::class,
[new RemoveMethodCallParam('Caller', 'process', 1)]
);
};
```
↓
```diff
final class SomeClass
{
public function run(Caller $caller)
{
- $caller->process(1, 2);
+ $caller->process(1);
}
}
```
<br>
### ReplaceArgumentDefaultValueRector
Replaces defined map of arguments in defined methods and their calls.
:wrench: **configure it!**
- class: [`Rector\Arguments\Rector\ClassMethod\ReplaceArgumentDefaultValueRector`](../rules/Arguments/Rector/ClassMethod/ReplaceArgumentDefaultValueRector.php)
```php
use Rector\Arguments\Rector\ClassMethod\ReplaceArgumentDefaultValueRector;
use Rector\Arguments\ValueObject\ReplaceArgumentDefaultValue;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ReplaceArgumentDefaultValueRector::class,
[new ReplaceArgumentDefaultValue('SomeClass', 'someMethod', 0, 'SomeClass::OLD_CONSTANT', false)]
);
};
```
↓
```diff
$someObject = new SomeClass;
-$someObject->someMethod(SomeClass::OLD_CONSTANT);
+$someObject->someMethod(false);
```
<br>
### SwapFuncCallArgumentsRector
Swap arguments in function calls
:wrench: **configure it!**
- class: [`Rector\Arguments\Rector\FuncCall\SwapFuncCallArgumentsRector`](../rules/Arguments/Rector/FuncCall/SwapFuncCallArgumentsRector.php)
```php
use Rector\Arguments\Rector\FuncCall\SwapFuncCallArgumentsRector;
use Rector\Arguments\ValueObject\SwapFuncCallArguments;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
SwapFuncCallArgumentsRector::class,
[new SwapFuncCallArguments('some_function', [1, 0])]
);
};
```
↓
```diff
final class SomeClass
{
public function run($one, $two)
{
- return some_function($one, $two);
+ return some_function($two, $one);
}
}
```
<br>
## CodeQuality
### AbsolutizeRequireAndIncludePathRector
include/require to absolute path. This Rector might introduce backwards incompatible code, when the include/require being changed depends on the current working directory.
- class: [`Rector\CodeQuality\Rector\Include_\AbsolutizeRequireAndIncludePathRector`](../rules/CodeQuality/Rector/Include_/AbsolutizeRequireAndIncludePathRector.php)
```diff
class SomeClass
{
public function run()
{
- require 'autoload.php';
+ require __DIR__ . '/autoload.php';
require $variable;
}
}
```
<br>
### AddPregQuoteDelimiterRector
Add preg_quote delimiter when missing
- class: [`Rector\CodeQuality\Rector\FuncCall\AddPregQuoteDelimiterRector`](../rules/CodeQuality/Rector/FuncCall/AddPregQuoteDelimiterRector.php)
```diff
-'#' . preg_quote('name') . '#';
+'#' . preg_quote('name', '#') . '#';
```
<br>
### AndAssignsToSeparateLinesRector
Split 2 assigns ands to separate line
- class: [`Rector\CodeQuality\Rector\LogicalAnd\AndAssignsToSeparateLinesRector`](../rules/CodeQuality/Rector/LogicalAnd/AndAssignsToSeparateLinesRector.php)
```diff
class SomeClass
{
public function run()
{
$tokens = [];
- $token = 4 and $tokens[] = $token;
+ $token = 4;
+ $tokens[] = $token;
}
}
```
<br>
### ArrayKeyExistsTernaryThenValueToCoalescingRector
Change `array_key_exists()` ternary to coalescing
- class: [`Rector\CodeQuality\Rector\Ternary\ArrayKeyExistsTernaryThenValueToCoalescingRector`](../rules/CodeQuality/Rector/Ternary/ArrayKeyExistsTernaryThenValueToCoalescingRector.php)
```diff
class SomeClass
{
public function run($values, $keyToMatch)
{
- $result = array_key_exists($keyToMatch, $values) ? $values[$keyToMatch] : null;
+ $result = $values[$keyToMatch] ?? null;
}
}
```
<br>
### ArrayKeysAndInArrayToArrayKeyExistsRector
Replace `array_keys()` and `in_array()` to `array_key_exists()`
- class: [`Rector\CodeQuality\Rector\FuncCall\ArrayKeysAndInArrayToArrayKeyExistsRector`](../rules/CodeQuality/Rector/FuncCall/ArrayKeysAndInArrayToArrayKeyExistsRector.php)
```diff
function run($packageName, $values)
{
- $keys = array_keys($values);
- return in_array($packageName, $keys, true);
+ return array_key_exists($packageName, $values);
}
```
<br>
### ArrayMergeOfNonArraysToSimpleArrayRector
Change array_merge of non arrays to array directly
- class: [`Rector\CodeQuality\Rector\FuncCall\ArrayMergeOfNonArraysToSimpleArrayRector`](../rules/CodeQuality/Rector/FuncCall/ArrayMergeOfNonArraysToSimpleArrayRector.php)
```diff
class SomeClass
{
public function go()
{
$value = 5;
$value2 = 10;
- return array_merge([$value], [$value2]);
+ return [$value, $value2];
}
}
```
<br>
### BooleanNotIdenticalToNotIdenticalRector
Negated identical boolean compare to not identical compare (does not apply to non-bool values)
- class: [`Rector\CodeQuality\Rector\Identical\BooleanNotIdenticalToNotIdenticalRector`](../rules/CodeQuality/Rector/Identical/BooleanNotIdenticalToNotIdenticalRector.php)
```diff
class SomeClass
{
public function run()
{
$a = true;
$b = false;
- var_dump(! $a === $b); // true
- var_dump(! ($a === $b)); // true
+ var_dump($a !== $b); // true
+ var_dump($a !== $b); // true
var_dump($a !== $b); // true
}
}
```
<br>
### CallUserFuncWithArrowFunctionToInlineRector
Refactor `call_user_func()` with arrow function to direct call
- class: [`Rector\CodeQuality\Rector\FuncCall\CallUserFuncWithArrowFunctionToInlineRector`](../rules/CodeQuality/Rector/FuncCall/CallUserFuncWithArrowFunctionToInlineRector.php)
```diff
final class SomeClass
{
public function run()
{
- $result = \call_user_func(fn () => 100);
+ $result = 100;
}
}
```
<br>
### CallableThisArrayToAnonymousFunctionRector
Convert [$this, "method"] to proper anonymous function
- class: [`Rector\CodeQuality\Rector\Array_\CallableThisArrayToAnonymousFunctionRector`](../rules/CodeQuality/Rector/Array_/CallableThisArrayToAnonymousFunctionRector.php)
```diff
class SomeClass
{
public function run()
{
$values = [1, 5, 3];
- usort($values, [$this, 'compareSize']);
+ usort($values, function ($first, $second) {
+ return $this->compareSize($first, $second);
+ });
return $values;
}
private function compareSize($first, $second)
{
return $first <=> $second;
}
}
```
<br>
### ChangeArrayPushToArrayAssignRector
Change `array_push()` to direct variable assign
- class: [`Rector\CodeQuality\Rector\FuncCall\ChangeArrayPushToArrayAssignRector`](../rules/CodeQuality/Rector/FuncCall/ChangeArrayPushToArrayAssignRector.php)
```diff
$items = [];
-array_push($items, $item);
+$items[] = $item;
```
<br>
### CombineIfRector
Merges nested if statements
- class: [`Rector\CodeQuality\Rector\If_\CombineIfRector`](../rules/CodeQuality/Rector/If_/CombineIfRector.php)
```diff
class SomeClass
{
public function run()
{
- if ($cond1) {
- if ($cond2) {
- return 'foo';
- }
+ if ($cond1 && $cond2) {
+ return 'foo';
}
}
}
```
<br>
### CombinedAssignRector
Simplify `$value` = `$value` + 5; assignments to shorter ones
- class: [`Rector\CodeQuality\Rector\Assign\CombinedAssignRector`](../rules/CodeQuality/Rector/Assign/CombinedAssignRector.php)
```diff
-$value = $value + 5;
+$value += 5;
```
<br>
### CommonNotEqualRector
Use common != instead of less known <> with same meaning
- class: [`Rector\CodeQuality\Rector\NotEqual\CommonNotEqualRector`](../rules/CodeQuality/Rector/NotEqual/CommonNotEqualRector.php)
```diff
final class SomeClass
{
public function run($one, $two)
{
- return $one <> $two;
+ return $one != $two;
}
}
```
<br>
### CompactToVariablesRector
Change `compact()` call to own array
- class: [`Rector\CodeQuality\Rector\FuncCall\CompactToVariablesRector`](../rules/CodeQuality/Rector/FuncCall/CompactToVariablesRector.php)
```diff
class SomeClass
{
public function run()
{
$checkout = 'one';
$form = 'two';
- return compact('checkout', 'form');
+ return ['checkout' => $checkout, 'form' => $form];
}
}
```
<br>
### CompleteDynamicPropertiesRector
Add missing dynamic properties
- class: [`Rector\CodeQuality\Rector\Class_\CompleteDynamicPropertiesRector`](../rules/CodeQuality/Rector/Class_/CompleteDynamicPropertiesRector.php)
```diff
class SomeClass
{
+ /**
+ * @var int
+ */
+ public $value;
+
public function set()
{
$this->value = 5;
}
}
```
<br>
### ConsecutiveNullCompareReturnsToNullCoalesceQueueRector
Change multiple null compares to ?? queue
- class: [`Rector\CodeQuality\Rector\If_\ConsecutiveNullCompareReturnsToNullCoalesceQueueRector`](../rules/CodeQuality/Rector/If_/ConsecutiveNullCompareReturnsToNullCoalesceQueueRector.php)
```diff
class SomeClass
{
public function run()
{
- if (null !== $this->orderItem) {
- return $this->orderItem;
- }
-
- if (null !== $this->orderItemUnit) {
- return $this->orderItemUnit;
- }
-
- return null;
+ return $this->orderItem ?? $this->orderItemUnit;
}
}
```
<br>
### DoWhileBreakFalseToIfElseRector
Replace do (...} while (false); with more readable if/else conditions
- class: [`Rector\CodeQuality\Rector\Do_\DoWhileBreakFalseToIfElseRector`](../rules/CodeQuality/Rector/Do_/DoWhileBreakFalseToIfElseRector.php)
```diff
-do {
- if (mt_rand(0, 1)) {
- $value = 5;
- break;
- }
-
+if (mt_rand(0, 1)) {
+ $value = 5;
+} else {
$value = 10;
-} while (false);
+}
```
<br>
### ExplicitBoolCompareRector
Make if conditions more explicit
- class: [`Rector\CodeQuality\Rector\If_\ExplicitBoolCompareRector`](../rules/CodeQuality/Rector/If_/ExplicitBoolCompareRector.php)
```diff
final class SomeController
{
public function run($items)
{
- if (!count($items)) {
+ if (count($items) === 0) {
return 'no items';
}
}
}
```
<br>
### ExplicitMethodCallOverMagicGetSetRector
Replace magic property fetch using `__get()` and `__set()` with existing method get*()/set*() calls
- class: [`Rector\CodeQuality\Rector\PropertyFetch\ExplicitMethodCallOverMagicGetSetRector`](../rules/CodeQuality/Rector/PropertyFetch/ExplicitMethodCallOverMagicGetSetRector.php)
```diff
class MagicCallsObject
{
// adds magic __get() and __set() methods
use \Nette\SmartObject;
private $name;
public function getName()
{
return $this->name;
}
}
class SomeClass
{
public function run(MagicObject $magicObject)
{
- return $magicObject->name;
+ return $magicObject->getName();
}
}
```
<br>
### FlipTypeControlToUseExclusiveTypeRector
Flip type control to use exclusive type
- class: [`Rector\CodeQuality\Rector\Identical\FlipTypeControlToUseExclusiveTypeRector`](../rules/CodeQuality/Rector/Identical/FlipTypeControlToUseExclusiveTypeRector.php)
```diff
class SomeClass
{
public function __construct(array $values)
{
- /** @var PhpDocInfo|null $phpDocInfo */
$phpDocInfo = $functionLike->getAttribute(AttributeKey::PHP_DOC_INFO);
- if ($phpDocInfo === null) {
+ if (! $phpDocInfo instanceof PhpDocInfo) {
return;
}
}
}
```
<br>
### ForRepeatedCountToOwnVariableRector
Change `count()` in for function to own variable
- class: [`Rector\CodeQuality\Rector\For_\ForRepeatedCountToOwnVariableRector`](../rules/CodeQuality/Rector/For_/ForRepeatedCountToOwnVariableRector.php)
```diff
class SomeClass
{
public function run($items)
{
- for ($i = 5; $i <= count($items); $i++) {
+ $itemsCount = count($items);
+ for ($i = 5; $i <= $itemsCount; $i++) {
echo $items[$i];
}
}
}
```
<br>
### ForToForeachRector
Change `for()` to `foreach()` where useful
- class: [`Rector\CodeQuality\Rector\For_\ForToForeachRector`](../rules/CodeQuality/Rector/For_/ForToForeachRector.php)
```diff
class SomeClass
{
public function run($tokens)
{
- for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
- if ($tokens[$i][0] === T_STRING && $tokens[$i][1] === 'fn') {
+ foreach ($tokens as $i => $token) {
+ if ($token[0] === T_STRING && $token[1] === 'fn') {
$tokens[$i][0] = self::T_FN;
}
}
}
}
```
<br>
### ForeachItemsAssignToEmptyArrayToAssignRector
Change `foreach()` items assign to empty array to direct assign
- class: [`Rector\CodeQuality\Rector\Foreach_\ForeachItemsAssignToEmptyArrayToAssignRector`](../rules/CodeQuality/Rector/Foreach_/ForeachItemsAssignToEmptyArrayToAssignRector.php)
```diff
class SomeClass
{
public function run($items)
{
$collectedItems = [];
- foreach ($items as $item) {
- $collectedItems[] = $item;
- }
+ $collectedItems = $items;
}
}
```
<br>
### ForeachToInArrayRector
Simplify `foreach` loops into `in_array` when possible
- class: [`Rector\CodeQuality\Rector\Foreach_\ForeachToInArrayRector`](../rules/CodeQuality/Rector/Foreach_/ForeachToInArrayRector.php)
```diff
-foreach ($items as $item) {
- if ($item === 'something') {
- return true;
- }
-}
-
-return false;
+return in_array('something', $items, true);
```
<br>
### GetClassToInstanceOfRector
Changes comparison with get_class to instanceof
- class: [`Rector\CodeQuality\Rector\Identical\GetClassToInstanceOfRector`](../rules/CodeQuality/Rector/Identical/GetClassToInstanceOfRector.php)
```diff
-if (EventsListener::class === get_class($event->job)) { }
+if ($event->job instanceof EventsListener) { }
```
<br>
### InlineArrayReturnAssignRector
Inline just in time array dim fetch assigns to direct return
- class: [`Rector\CodeQuality\Rector\ClassMethod\InlineArrayReturnAssignRector`](../rules/CodeQuality/Rector/ClassMethod/InlineArrayReturnAssignRector.php)
```diff
function getPerson()
{
- $person = [];
- $person['name'] = 'Timmy';
- $person['surname'] = 'Back';
-
- return $person;
+ return [
+ 'name' => 'Timmy',
+ 'surname' => 'Back',
+ ];
}
```
<br>
### InlineConstructorDefaultToPropertyRector
Move property default from constructor to property default
- class: [`Rector\CodeQuality\Rector\Class_\InlineConstructorDefaultToPropertyRector`](../rules/CodeQuality/Rector/Class_/InlineConstructorDefaultToPropertyRector.php)
```diff
final class SomeClass
{
- private $name;
-
- public function __construct()
- {
- $this->name = 'John';
- }
+ private $name = 'John';
}
```
<br>
### InlineIfToExplicitIfRector
Change inline if to explicit if
- class: [`Rector\CodeQuality\Rector\Expression\InlineIfToExplicitIfRector`](../rules/CodeQuality/Rector/Expression/InlineIfToExplicitIfRector.php)
```diff
class SomeClass
{
public function run()
{
$userId = null;
- is_null($userId) && $userId = 5;
+ if (is_null($userId)) {
+ $userId = 5;
+ }
}
}
```
<br>
### InlineIsAInstanceOfRector
Change `is_a()` with object and class name check to instanceof
- class: [`Rector\CodeQuality\Rector\FuncCall\InlineIsAInstanceOfRector`](../rules/CodeQuality/Rector/FuncCall/InlineIsAInstanceOfRector.php)
```diff
class SomeClass
{
public function run(object $object)
{
- return is_a($object, SomeType::class);
+ return $object instanceof SomeType;
}
}
```
<br>
### IntvalToTypeCastRector
Change `intval()` to faster and readable (int) `$value`
- class: [`Rector\CodeQuality\Rector\FuncCall\IntvalToTypeCastRector`](../rules/CodeQuality/Rector/FuncCall/IntvalToTypeCastRector.php)
```diff
class SomeClass
{
public function run($value)
{
- return intval($value);
+ return (int) $value;
}
}
```
<br>
### IsAWithStringWithThirdArgumentRector
Complete missing 3rd argument in case `is_a()` function in case of strings
- class: [`Rector\CodeQuality\Rector\FuncCall\IsAWithStringWithThirdArgumentRector`](../rules/CodeQuality/Rector/FuncCall/IsAWithStringWithThirdArgumentRector.php)
```diff
class SomeClass
{
public function __construct(string $value)
{
- return is_a($value, 'stdClass');
+ return is_a($value, 'stdClass', true);
}
}
```
<br>
### IssetOnPropertyObjectToPropertyExistsRector
Change isset on property object to `property_exists()` and not null check
- class: [`Rector\CodeQuality\Rector\Isset_\IssetOnPropertyObjectToPropertyExistsRector`](../rules/CodeQuality/Rector/Isset_/IssetOnPropertyObjectToPropertyExistsRector.php)
```diff
class SomeClass
{
private $x;
public function run(): void
{
- isset($this->x);
+ property_exists($this, 'x') && $this->x !== null;
}
}
```
<br>
### JoinStringConcatRector
Joins concat of 2 strings, unless the length is too long
- class: [`Rector\CodeQuality\Rector\Concat\JoinStringConcatRector`](../rules/CodeQuality/Rector/Concat/JoinStringConcatRector.php)
```diff
class SomeClass
{
public function run()
{
- $name = 'Hi' . ' Tom';
+ $name = 'Hi Tom';
}
}
```
<br>
### LogicalToBooleanRector
Change OR, AND to ||, && with more common understanding
- class: [`Rector\CodeQuality\Rector\LogicalAnd\LogicalToBooleanRector`](../rules/CodeQuality/Rector/LogicalAnd/LogicalToBooleanRector.php)
```diff
-if ($f = false or true) {
+if (($f = false) || true) {
return $f;
}
```
<br>
### NarrowUnionTypeDocRector
Changes docblock by narrowing type
- class: [`Rector\CodeQuality\Rector\ClassMethod\NarrowUnionTypeDocRector`](../rules/CodeQuality/Rector/ClassMethod/NarrowUnionTypeDocRector.php)
```diff
class SomeClass {
/**
- * @param object|DateTime $message
+ * @param DateTime $message
*/
public function getMessage(object $message)
{
}
}
```
<br>
### NewStaticToNewSelfRector
Change unsafe new `static()` to new `self()`
- class: [`Rector\CodeQuality\Rector\New_\NewStaticToNewSelfRector`](../rules/CodeQuality/Rector/New_/NewStaticToNewSelfRector.php)
```diff
class SomeClass
{
public function build()
{
- return new static();
+ return new self();
}
}
```
<br>
### OptionalParametersAfterRequiredRector
Move required parameters after optional ones
- class: [`Rector\CodeQuality\Rector\ClassMethod\OptionalParametersAfterRequiredRector`](../rules/CodeQuality/Rector/ClassMethod/OptionalParametersAfterRequiredRector.php)
```diff
class SomeObject
{
- public function run($optional = 1, $required)
+ public function run($required, $optional = 1)
{
}
}
```
<br>
### RemoveAlwaysTrueConditionSetInConstructorRector
If conditions is always true, perform the content right away
- class: [`Rector\CodeQuality\Rector\FunctionLike\RemoveAlwaysTrueConditionSetInConstructorRector`](../rules/CodeQuality/Rector/FunctionLike/RemoveAlwaysTrueConditionSetInConstructorRector.php)
```diff
final class SomeClass
{
private $value;
public function __construct(stdClass $value)
{
$this->value = $value;
}
public function go()
{
- if ($this->value) {
- return 'yes';
- }
+ return 'yes';
}
}
```
<br>
### RemoveSoleValueSprintfRector
Remove `sprintf()` wrapper if not needed
- class: [`Rector\CodeQuality\Rector\FuncCall\RemoveSoleValueSprintfRector`](../rules/CodeQuality/Rector/FuncCall/RemoveSoleValueSprintfRector.php)
```diff
class SomeClass
{
public function run()
{
- $value = sprintf('%s', 'hi');
+ $value = 'hi';
$welcome = 'hello';
- $value = sprintf('%s', $welcome);
+ $value = $welcome;
}
}
```
<br>
### ReplaceMultipleBooleanNotRector
Replace the Double not operator (!!) by type-casting to boolean
- class: [`Rector\CodeQuality\Rector\BooleanNot\ReplaceMultipleBooleanNotRector`](../rules/CodeQuality/Rector/BooleanNot/ReplaceMultipleBooleanNotRector.php)
```diff
-$bool = !!$var;
+$bool = (bool) $var;
```
<br>
### ReturnTypeFromStrictScalarReturnExprRector
Change return type based on strict scalar returns - string, int, float or bool
- class: [`Rector\CodeQuality\Rector\ClassMethod\ReturnTypeFromStrictScalarReturnExprRector`](../rules/CodeQuality/Rector/ClassMethod/ReturnTypeFromStrictScalarReturnExprRector.php)
```diff
final class SomeClass
{
- public function run($value)
+ public function run($value): string
{
if ($value) {
return 'yes';
}
return 'no';
}
}
```
<br>
### SetTypeToCastRector
Changes `settype()` to (type) where possible
- class: [`Rector\CodeQuality\Rector\FuncCall\SetTypeToCastRector`](../rules/CodeQuality/Rector/FuncCall/SetTypeToCastRector.php)
```diff
class SomeClass
{
public function run($foo)
{
- settype($foo, 'string');
+ $foo = (string) $foo;
- return settype($foo, 'integer');
+ return (int) $foo;
}
}
```
<br>
### ShortenElseIfRector
Shortens else/if to elseif
- class: [`Rector\CodeQuality\Rector\If_\ShortenElseIfRector`](../rules/CodeQuality/Rector/If_/ShortenElseIfRector.php)
```diff
class SomeClass
{
public function run()
{
if ($cond1) {
return $action1;
- } else {
- if ($cond2) {
- return $action2;
- }
+ } elseif ($cond2) {
+ return $action2;
}
}
}
```
<br>
### SimplifyArraySearchRector
Simplify array_search to in_array
- class: [`Rector\CodeQuality\Rector\Identical\SimplifyArraySearchRector`](../rules/CodeQuality/Rector/Identical/SimplifyArraySearchRector.php)
```diff
-array_search("searching", $array) !== false;
+in_array("searching", $array);
```
<br>
```diff
-array_search("searching", $array, true) !== false;
+in_array("searching", $array, true);
```
<br>
### SimplifyBoolIdenticalTrueRector
Simplify bool value compare to true or false
- class: [`Rector\CodeQuality\Rector\Identical\SimplifyBoolIdenticalTrueRector`](../rules/CodeQuality/Rector/Identical/SimplifyBoolIdenticalTrueRector.php)
```diff
class SomeClass
{
public function run(bool $value, string $items)
{
- $match = in_array($value, $items, TRUE) === TRUE;
- $match = in_array($value, $items, TRUE) !== FALSE;
+ $match = in_array($value, $items, TRUE);
+ $match = in_array($value, $items, TRUE);
}
}
```
<br>
### SimplifyConditionsRector
Simplify conditions
- class: [`Rector\CodeQuality\Rector\Identical\SimplifyConditionsRector`](../rules/CodeQuality/Rector/Identical/SimplifyConditionsRector.php)
```diff
-if (! ($foo !== 'bar')) {...
+if ($foo === 'bar') {...
```
<br>
### SimplifyDeMorganBinaryRector
Simplify negated conditions with de Morgan theorem
- class: [`Rector\CodeQuality\Rector\BooleanNot\SimplifyDeMorganBinaryRector`](../rules/CodeQuality/Rector/BooleanNot/SimplifyDeMorganBinaryRector.php)
```diff
$a = 5;
$b = 10;
-$result = !($a > 20 || $b <= 50);
+$result = $a <= 20 && $b > 50;
```
<br>
### SimplifyEmptyArrayCheckRector
Simplify `is_array` and `empty` functions combination into a simple identical check for an empty array
- class: [`Rector\CodeQuality\Rector\BooleanAnd\SimplifyEmptyArrayCheckRector`](../rules/CodeQuality/Rector/BooleanAnd/SimplifyEmptyArrayCheckRector.php)
```diff
-is_array($values) && empty($values)
+$values === []
```
<br>
### SimplifyForeachToArrayFilterRector
Simplify foreach with function filtering to array filter
- class: [`Rector\CodeQuality\Rector\Foreach_\SimplifyForeachToArrayFilterRector`](../rules/CodeQuality/Rector/Foreach_/SimplifyForeachToArrayFilterRector.php)
```diff
-$directories = [];
-
$possibleDirectories = [];
-foreach ($possibleDirectories as $possibleDirectory) {
- if (file_exists($possibleDirectory)) {
- $directories[] = $possibleDirectory;
- }
-}
+$directories = array_filter($possibleDirectories, 'file_exists');
```
<br>
### SimplifyForeachToCoalescingRector
Changes foreach that returns set value to ??
- class: [`Rector\CodeQuality\Rector\Foreach_\SimplifyForeachToCoalescingRector`](../rules/CodeQuality/Rector/Foreach_/SimplifyForeachToCoalescingRector.php)
```diff
-foreach ($this->oldToNewFunctions as $oldFunction => $newFunction) {
- if ($currentFunction === $oldFunction) {
- return $newFunction;
- }
-}
-
-return null;
+return $this->oldToNewFunctions[$currentFunction] ?? null;
```
<br>
### SimplifyFuncGetArgsCountRector
Simplify count of `func_get_args()` to `func_num_args()`
- class: [`Rector\CodeQuality\Rector\FuncCall\SimplifyFuncGetArgsCountRector`](../rules/CodeQuality/Rector/FuncCall/SimplifyFuncGetArgsCountRector.php)
```diff
-count(func_get_args());
+func_num_args();
```
<br>
### SimplifyIfElseToTernaryRector
Changes if/else for same value as assign to ternary
- class: [`Rector\CodeQuality\Rector\If_\SimplifyIfElseToTernaryRector`](../rules/CodeQuality/Rector/If_/SimplifyIfElseToTernaryRector.php)
```diff
class SomeClass
{
public function run()
{
- if (empty($value)) {
- $this->arrayBuilt[][$key] = true;
- } else {
- $this->arrayBuilt[][$key] = $value;
- }
+ $this->arrayBuilt[][$key] = empty($value) ? true : $value;
}
}
```
<br>
### SimplifyIfExactValueReturnValueRector
Changes compared to value and return of expr to direct return
- class: [`Rector\CodeQuality\Rector\If_\SimplifyIfExactValueReturnValueRector`](../rules/CodeQuality/Rector/If_/SimplifyIfExactValueReturnValueRector.php)
```diff
$value = 'something';
-if ($value === 52) {
- return 52;
-}
-
return $value;
```
<br>
### SimplifyIfNotNullReturnRector
Changes redundant null check to instant return
- class: [`Rector\CodeQuality\Rector\If_\SimplifyIfNotNullReturnRector`](../rules/CodeQuality/Rector/If_/SimplifyIfNotNullReturnRector.php)
```diff
$newNode = 'something';
-if ($newNode !== null) {
- return $newNode;
-}
-
-return null;
+return $newNode;
```
<br>
### SimplifyIfNullableReturnRector
Direct return on if nullable check before return
- class: [`Rector\CodeQuality\Rector\If_\SimplifyIfNullableReturnRector`](../rules/CodeQuality/Rector/If_/SimplifyIfNullableReturnRector.php)
```diff
class SomeClass
{
public function run()
{
- /** @var \stdClass|null $value */
- $value = $this->foo->bar();
- if (! $value instanceof \stdClass) {
- return null;
- }
-
- return $value;
+ return $this->foo->bar();
}
}
```
<br>
### SimplifyIfReturnBoolRector
Shortens if return false/true to direct return
- class: [`Rector\CodeQuality\Rector\If_\SimplifyIfReturnBoolRector`](../rules/CodeQuality/Rector/If_/SimplifyIfReturnBoolRector.php)
```diff
-if (strpos($docToken->getContent(), "\n") === false) {
- return true;
-}
-
-return false;
+return strpos($docToken->getContent(), "\n") === false;
```
<br>
### SimplifyInArrayValuesRector
Removes unneeded `array_values()` in `in_array()` call
- class: [`Rector\CodeQuality\Rector\FuncCall\SimplifyInArrayValuesRector`](../rules/CodeQuality/Rector/FuncCall/SimplifyInArrayValuesRector.php)
```diff
-in_array("key", array_values($array), true);
+in_array("key", $array, true);
```
<br>
### SimplifyRegexPatternRector
Simplify regex pattern to known ranges
- class: [`Rector\CodeQuality\Rector\FuncCall\SimplifyRegexPatternRector`](../rules/CodeQuality/Rector/FuncCall/SimplifyRegexPatternRector.php)
```diff
class SomeClass
{
public function run($value)
{
- preg_match('#[a-zA-Z0-9+]#', $value);
+ preg_match('#[\w\d+]#', $value);
}
}
```
<br>
### SimplifyStrposLowerRector
Simplify `strpos(strtolower()`, "...") calls
- class: [`Rector\CodeQuality\Rector\FuncCall\SimplifyStrposLowerRector`](../rules/CodeQuality/Rector/FuncCall/SimplifyStrposLowerRector.php)
```diff
-strpos(strtolower($var), "...")
+stripos($var, "...")
```
<br>
### SimplifyTautologyTernaryRector
Simplify tautology ternary to value
- class: [`Rector\CodeQuality\Rector\Ternary\SimplifyTautologyTernaryRector`](../rules/CodeQuality/Rector/Ternary/SimplifyTautologyTernaryRector.php)
```diff
-$value = ($fullyQualifiedTypeHint !== $typeHint) ? $fullyQualifiedTypeHint : $typeHint;
+$value = $fullyQualifiedTypeHint;
```
<br>
### SimplifyUselessVariableRector
Removes useless variable assigns
- class: [`Rector\CodeQuality\Rector\FunctionLike\SimplifyUselessVariableRector`](../rules/CodeQuality/Rector/FunctionLike/SimplifyUselessVariableRector.php)
```diff
function () {
- $a = true;
- return $a;
+ return true;
};
```
<br>
### SingleInArrayToCompareRector
Changes `in_array()` with single element to ===
- class: [`Rector\CodeQuality\Rector\FuncCall\SingleInArrayToCompareRector`](../rules/CodeQuality/Rector/FuncCall/SingleInArrayToCompareRector.php)
```diff
class SomeClass
{
public function run()
{
- if (in_array(strtolower($type), ['$this'], true)) {
+ if (strtolower($type) === '$this') {
return strtolower($type);
}
}
}
```
<br>
### SingularSwitchToIfRector
Change switch with only 1 check to if
- class: [`Rector\CodeQuality\Rector\Switch_\SingularSwitchToIfRector`](../rules/CodeQuality/Rector/Switch_/SingularSwitchToIfRector.php)
```diff
class SomeObject
{
public function run($value)
{
$result = 1;
- switch ($value) {
- case 100:
+ if ($value === 100) {
$result = 1000;
}
return $result;
}
}
```
<br>
### SplitListAssignToSeparateLineRector
Splits `[$a, $b] = [5, 10]` scalar assign to standalone lines
- class: [`Rector\CodeQuality\Rector\Assign\SplitListAssignToSeparateLineRector`](../rules/CodeQuality/Rector/Assign/SplitListAssignToSeparateLineRector.php)
```diff
final class SomeClass
{
public function run(): void
{
- [$a, $b] = [1, 2];
+ $a = 1;
+ $b = 2;
}
}
```
<br>
### StrlenZeroToIdenticalEmptyStringRector
Changes strlen comparison to 0 to direct empty string compare
- class: [`Rector\CodeQuality\Rector\Identical\StrlenZeroToIdenticalEmptyStringRector`](../rules/CodeQuality/Rector/Identical/StrlenZeroToIdenticalEmptyStringRector.php)
```diff
class SomeClass
{
public function run(string $value)
{
- $empty = strlen($value) === 0;
+ $empty = $value === '';
}
}
```
<br>
### SwitchNegatedTernaryRector
Switch negated ternary condition rector
- class: [`Rector\CodeQuality\Rector\Ternary\SwitchNegatedTernaryRector`](../rules/CodeQuality/Rector/Ternary/SwitchNegatedTernaryRector.php)
```diff
class SomeClass
{
public function run(bool $upper, string $name)
{
- return ! $upper
- ? $name
- : strtoupper($name);
+ return $upper
+ ? strtoupper($name)
+ : $name;
}
}
```
<br>
### TernaryFalseExpressionToIfRector
Change ternary with false to if and explicit call
- class: [`Rector\CodeQuality\Rector\Expression\TernaryFalseExpressionToIfRector`](../rules/CodeQuality/Rector/Expression/TernaryFalseExpressionToIfRector.php)
```diff
final class SomeClass
{
public function run($value, $someMethod)
{
- $value ? $someMethod->call($value) : false;
+ if ($value) {
+ $someMethod->call($value);
+ }
}
}
```
<br>
### ThrowWithPreviousExceptionRector
When throwing into a catch block, checks that the previous exception is passed to the new throw clause
- class: [`Rector\CodeQuality\Rector\Catch_\ThrowWithPreviousExceptionRector`](../rules/CodeQuality/Rector/Catch_/ThrowWithPreviousExceptionRector.php)
```diff
class SomeClass
{
public function run()
{
try {
$someCode = 1;
} catch (Throwable $throwable) {
- throw new AnotherException('ups');
+ throw new AnotherException('ups', $throwable->getCode(), $throwable);
}
}
}
```
<br>
### UnnecessaryTernaryExpressionRector
Remove unnecessary ternary expressions
- class: [`Rector\CodeQuality\Rector\Ternary\UnnecessaryTernaryExpressionRector`](../rules/CodeQuality/Rector/Ternary/UnnecessaryTernaryExpressionRector.php)
```diff
-$foo === $bar ? true : false;
+$foo === $bar;
```
<br>
### UnusedForeachValueToArrayKeysRector
Change foreach with unused `$value` but only `$key,` to `array_keys()`
- class: [`Rector\CodeQuality\Rector\Foreach_\UnusedForeachValueToArrayKeysRector`](../rules/CodeQuality/Rector/Foreach_/UnusedForeachValueToArrayKeysRector.php)
```diff
class SomeClass
{
public function run()
{
$items = [];
- foreach ($values as $key => $value) {
+ foreach (array_keys($values) as $key) {
$items[$key] = null;
}
}
}
```
<br>
### UnwrapSprintfOneArgumentRector
unwrap `sprintf()` with one argument
- class: [`Rector\CodeQuality\Rector\FuncCall\UnwrapSprintfOneArgumentRector`](../rules/CodeQuality/Rector/FuncCall/UnwrapSprintfOneArgumentRector.php)
```diff
-echo sprintf('value');
+echo 'value';
```
<br>
### UseIdenticalOverEqualWithSameTypeRector
Use ===/!== over ==/!=, it values have the same type
- class: [`Rector\CodeQuality\Rector\Equal\UseIdenticalOverEqualWithSameTypeRector`](../rules/CodeQuality/Rector/Equal/UseIdenticalOverEqualWithSameTypeRector.php)
```diff
class SomeClass
{
public function run(int $firstValue, int $secondValue)
{
- $isSame = $firstValue == $secondValue;
- $isDiffernt = $firstValue != $secondValue;
+ $isSame = $firstValue === $secondValue;
+ $isDiffernt = $firstValue !== $secondValue;
}
}
```
<br>
## CodingStyle
### AddArrayDefaultToArrayPropertyRector
Adds array default value to property to prevent foreach over null error
- class: [`Rector\CodingStyle\Rector\Class_\AddArrayDefaultToArrayPropertyRector`](../rules/CodingStyle/Rector/Class_/AddArrayDefaultToArrayPropertyRector.php)
```diff
class SomeClass
{
/**
* @var int[]
*/
- private $values;
+ private $values = [];
public function isEmpty()
{
- return $this->values === null;
+ return $this->values === [];
}
}
```
<br>
### AddFalseDefaultToBoolPropertyRector
Add false default to bool properties, to prevent null compare errors
- class: [`Rector\CodingStyle\Rector\Property\AddFalseDefaultToBoolPropertyRector`](../rules/CodingStyle/Rector/Property/AddFalseDefaultToBoolPropertyRector.php)
```diff
class SomeClass
{
/**
* @var bool
*/
- private $isDisabled;
+ private $isDisabled = false;
}
```
<br>
### BinarySwitchToIfElseRector
Changes switch with 2 options to if-else
- class: [`Rector\CodingStyle\Rector\Switch_\BinarySwitchToIfElseRector`](../rules/CodingStyle/Rector/Switch_/BinarySwitchToIfElseRector.php)
```diff
-switch ($foo) {
- case 'my string':
- $result = 'ok';
- break;
-
- default:
- $result = 'not ok';
+if ($foo == 'my string') {
+ $result = 'ok';
+} else {
+ $result = 'not ok';
}
```
<br>
### CallUserFuncArrayToVariadicRector
Replace `call_user_func_array()` with variadic
- class: [`Rector\CodingStyle\Rector\FuncCall\CallUserFuncArrayToVariadicRector`](../rules/CodingStyle/Rector/FuncCall/CallUserFuncArrayToVariadicRector.php)
```diff
class SomeClass
{
public function run()
{
- call_user_func_array('some_function', $items);
+ some_function(...$items);
}
}
```
<br>
### CallUserFuncToMethodCallRector
Refactor `call_user_func()` on known class method to a method call
- class: [`Rector\CodingStyle\Rector\FuncCall\CallUserFuncToMethodCallRector`](../rules/CodingStyle/Rector/FuncCall/CallUserFuncToMethodCallRector.php)
```diff
final class SomeClass
{
public function run()
{
- $result = \call_user_func([$this->property, 'method'], $args);
+ $result = $this->property->method($args);
}
}
```
<br>
### CatchExceptionNameMatchingTypeRector
Type and name of catch exception should match
- class: [`Rector\CodingStyle\Rector\Catch_\CatchExceptionNameMatchingTypeRector`](../rules/CodingStyle/Rector/Catch_/CatchExceptionNameMatchingTypeRector.php)
```diff
class SomeClass
{
public function run()
{
try {
// ...
- } catch (SomeException $typoException) {
- $typoException->getMessage();
+ } catch (SomeException $someException) {
+ $someException->getMessage();
}
}
}
```
<br>
### ConsistentImplodeRector
Changes various implode forms to consistent one
- class: [`Rector\CodingStyle\Rector\FuncCall\ConsistentImplodeRector`](../rules/CodingStyle/Rector/FuncCall/ConsistentImplodeRector.php)
```diff
class SomeClass
{
public function run(array $items)
{
- $itemsAsStrings = implode($items);
- $itemsAsStrings = implode($items, '|');
+ $itemsAsStrings = implode('', $items);
+ $itemsAsStrings = implode('|', $items);
$itemsAsStrings = implode('|', $items);
}
}
```
<br>
### ConsistentPregDelimiterRector
Replace PREG delimiter with configured one
:wrench: **configure it!**
- class: [`Rector\CodingStyle\Rector\FuncCall\ConsistentPregDelimiterRector`](../rules/CodingStyle/Rector/FuncCall/ConsistentPregDelimiterRector.php)
```php
use Rector\CodingStyle\Rector\FuncCall\ConsistentPregDelimiterRector;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(ConsistentPregDelimiterRector::class, [
ConsistentPregDelimiterRector::DELIMITER => '#',
]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- preg_match('~value~', $value);
- preg_match_all('~value~im', $value);
+ preg_match('#value#', $value);
+ preg_match_all('#value#im', $value);
}
}
```
<br>
### CountArrayToEmptyArrayComparisonRector
Change count array comparison to empty array comparison to improve performance
- class: [`Rector\CodingStyle\Rector\FuncCall\CountArrayToEmptyArrayComparisonRector`](../rules/CodingStyle/Rector/FuncCall/CountArrayToEmptyArrayComparisonRector.php)
```diff
-count($array) === 0;
-count($array) > 0;
-! count($array);
+$array === [];
+$array !== [];
+$array === [];
```
<br>
### EncapsedStringsToSprintfRector
Convert enscaped {$string} to more readable sprintf
- class: [`Rector\CodingStyle\Rector\Encapsed\EncapsedStringsToSprintfRector`](../rules/CodingStyle/Rector/Encapsed/EncapsedStringsToSprintfRector.php)
```diff
final class SomeClass
{
public function run(string $format)
{
- return "Unsupported format {$format}";
+ return sprintf('Unsupported format %s', $format);
}
}
```
<br>
### FuncGetArgsToVariadicParamRector
Refactor `func_get_args()` in to a variadic param
- class: [`Rector\CodingStyle\Rector\ClassMethod\FuncGetArgsToVariadicParamRector`](../rules/CodingStyle/Rector/ClassMethod/FuncGetArgsToVariadicParamRector.php)
```diff
-function run()
+function run(...$args)
{
- $args = \func_get_args();
}
```
<br>
### InlineSimplePropertyAnnotationRector
Inline simple `@var` annotations (or other annotations) when they are the only thing in the phpdoc
:wrench: **configure it!**
- class: [`Rector\CodingStyle\Rector\Property\InlineSimplePropertyAnnotationRector`](../rules/CodingStyle/Rector/Property/InlineSimplePropertyAnnotationRector.php)
```php
use Rector\CodingStyle\Rector\Property\InlineSimplePropertyAnnotationRector;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(InlineSimplePropertyAnnotationRector::class, ['var', 'phpstan-var']);
};
```
↓
```diff
final class SomeClass
{
- /**
- * @phpstan-var string
- */
+ /** @phpstan-var string */
private const TEXT = 'text';
- /**
- * @var DateTime[]
- */
+ /** @var DateTime[] */
private ?array $dateTimes;
}
```
<br>
### MakeInheritedMethodVisibilitySameAsParentRector
Make method visibility same as parent one
- class: [`Rector\CodingStyle\Rector\ClassMethod\MakeInheritedMethodVisibilitySameAsParentRector`](../rules/CodingStyle/Rector/ClassMethod/MakeInheritedMethodVisibilitySameAsParentRector.php)
```diff
class ChildClass extends ParentClass
{
- public function run()
+ protected function run()
{
}
}
class ParentClass
{
protected function run()
{
}
}
```
<br>
### NewlineAfterStatementRector
Add new line after statements to tidify code
- class: [`Rector\CodingStyle\Rector\Stmt\NewlineAfterStatementRector`](../rules/CodingStyle/Rector/Stmt/NewlineAfterStatementRector.php)
```diff
class SomeClass
{
public function first()
{
}
+
public function second()
{
}
}
```
<br>
### NewlineBeforeNewAssignSetRector
Add extra space before new assign set
- class: [`Rector\CodingStyle\Rector\ClassMethod\NewlineBeforeNewAssignSetRector`](../rules/CodingStyle/Rector/ClassMethod/NewlineBeforeNewAssignSetRector.php)
```diff
final class SomeClass
{
public function run()
{
$value = new Value;
$value->setValue(5);
+
$value2 = new Value;
$value2->setValue(1);
}
}
```
<br>
### NullableCompareToNullRector
Changes negate of empty comparison of nullable value to explicit === or !== compare
- class: [`Rector\CodingStyle\Rector\If_\NullableCompareToNullRector`](../rules/CodingStyle/Rector/If_/NullableCompareToNullRector.php)
```diff
/** @var stdClass|null $value */
-if ($value) {
+if ($value !== null) {
}
-if (!$value) {
+if ($value === null) {
}
```
<br>
### OrderAttributesRector
Order attributes by desired names
:wrench: **configure it!**
- class: [`Rector\CodingStyle\Rector\ClassMethod\OrderAttributesRector`](../rules/CodingStyle/Rector/ClassMethod/OrderAttributesRector.php)
```php
use Rector\CodingStyle\Rector\ClassMethod\OrderAttributesRector;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(OrderAttributesRector::class, ['First', 'Second']);
};
```
↓
```diff
+#[First]
#[Second]
-#[First]
class Someclass
{
}
```
<br>
```php
use Rector\CodingStyle\Rector\ClassMethod\OrderAttributesRector;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(OrderAttributesRector::class, ['alphabetically']);
};
```
↓
```diff
+#[AAttribute]
#[BAttribute]
-#[AAttribute]
class Someclass
{
}
```
<br>
### PostIncDecToPreIncDecRector
Use ++$value or --$value instead of `$value++` or `$value--`
- class: [`Rector\CodingStyle\Rector\PostInc\PostIncDecToPreIncDecRector`](../rules/CodingStyle/Rector/PostInc/PostIncDecToPreIncDecRector.php)
```diff
class SomeClass
{
public function run($value = 1)
{
- $value++; echo $value;
- $value--; echo $value;
+ ++$value; echo $value;
+ --$value; echo $value;
}
}
```
<br>
### PreferThisOrSelfMethodCallRector
Changes `$this->...` and static:: to self:: or vise versa for given types
:wrench: **configure it!**
- class: [`Rector\CodingStyle\Rector\MethodCall\PreferThisOrSelfMethodCallRector`](../rules/CodingStyle/Rector/MethodCall/PreferThisOrSelfMethodCallRector.php)
```php
use PHPUnit\Framework\TestCase;
use Rector\CodingStyle\Rector\MethodCall\PreferThisOrSelfMethodCallRector;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(PreferThisOrSelfMethodCallRector::class, [
TestCase::class => 'prefer_self',
]);
};
```
↓
```diff
use PHPUnit\Framework\TestCase;
final class SomeClass extends TestCase
{
public function run()
{
- $this->assertEquals('a', 'a');
+ self::assertEquals('a', 'a');
}
}
```
<br>
### RemoveDoubleUnderscoreInMethodNameRector
Non-magic PHP object methods cannot start with "__"
- class: [`Rector\CodingStyle\Rector\ClassMethod\RemoveDoubleUnderscoreInMethodNameRector`](../rules/CodingStyle/Rector/ClassMethod/RemoveDoubleUnderscoreInMethodNameRector.php)
```diff
class SomeClass
{
- public function __getName($anotherObject)
+ public function getName($anotherObject)
{
- $anotherObject->__getSurname();
+ $anotherObject->getSurname();
}
}
```
<br>
### RemoveFinalFromConstRector
Remove final from constants in classes defined as final
- class: [`Rector\CodingStyle\Rector\ClassConst\RemoveFinalFromConstRector`](../rules/CodingStyle/Rector/ClassConst/RemoveFinalFromConstRector.php)
```diff
final class SomeClass
{
- final public const NAME = 'value';
+ public const NAME = 'value';
}
```
<br>
### ReturnArrayClassMethodToYieldRector
Turns array return to yield return in specific type and method
:wrench: **configure it!**
- class: [`Rector\CodingStyle\Rector\ClassMethod\ReturnArrayClassMethodToYieldRector`](../rules/CodingStyle/Rector/ClassMethod/ReturnArrayClassMethodToYieldRector.php)
```php
use Rector\CodingStyle\Rector\ClassMethod\ReturnArrayClassMethodToYieldRector;
use Rector\CodingStyle\ValueObject\ReturnArrayClassMethodToYield;
use Rector\Config\RectorConfig;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ReturnArrayClassMethodToYieldRector::class,
[new ReturnArrayClassMethodToYield('PHPUnit\Framework\TestCase', '*provide*')]
);
};
```
↓
```diff
use PHPUnit\Framework\TestCase;
final class SomeTest implements TestCase
{
public static function provideData()
{
- return [['some text']];
+ yield ['some text'];
}
}
```
<br>
### SeparateMultiUseImportsRector
Split multi use imports and trait statements to standalone lines
- class: [`Rector\CodingStyle\Rector\Use_\SeparateMultiUseImportsRector`](../rules/CodingStyle/Rector/Use_/SeparateMultiUseImportsRector.php)
```diff
-use A, B;
+use A;
+use B;
class SomeClass
{
- use SomeTrait, AnotherTrait;
+ use SomeTrait;
+ use AnotherTrait;
}
```
<br>
### SplitDoubleAssignRector
Split multiple inline assigns to each own lines default value, to prevent undefined array issues
- class: [`Rector\CodingStyle\Rector\Assign\SplitDoubleAssignRector`](../rules/CodingStyle/Rector/Assign/SplitDoubleAssignRector.php)
```diff
class SomeClass
{
public function run()
{
- $one = $two = 1;
+ $one = 1;
+ $two = 1;
}
}
```
<br>
### SplitGroupedConstantsAndPropertiesRector
Separate constant and properties to own lines
- class: [`Rector\CodingStyle\Rector\ClassConst\SplitGroupedConstantsAndPropertiesRector`](../rules/CodingStyle/Rector/ClassConst/SplitGroupedConstantsAndPropertiesRector.php)
```diff
class SomeClass
{
- const HI = true, AHOJ = 'true';
+ const HI = true;
+ const AHOJ = 'true';
/**
* @var string
*/
- public $isIt, $isIsThough;
+ public $isIt;
+
+ /**
+ * @var string
+ */
+ public $isIsThough;
}
```
<br>
### StaticArrowFunctionRector
Changes ArrowFunction to be static when possible
- class: [`Rector\CodingStyle\Rector\ArrowFunction\StaticArrowFunctionRector`](../rules/CodingStyle/Rector/ArrowFunction/StaticArrowFunctionRector.php)
```diff
-fn (): string => 'test';
+static fn (): string => 'test';
```
<br>
### StaticClosureRector
Changes Closure to be static when possible
- class: [`Rector\CodingStyle\Rector\Closure\StaticClosureRector`](../rules/CodingStyle/Rector/Closure/StaticClosureRector.php)
```diff
-function () {
+static function () {
if (rand(0, 1)) {
return 1;
}
return 2;
}
```
<br>
### StrictArraySearchRector
Makes array_search search for identical elements
- class: [`Rector\CodingStyle\Rector\FuncCall\StrictArraySearchRector`](../rules/CodingStyle/Rector/FuncCall/StrictArraySearchRector.php)
```diff
-array_search($value, $items);
+array_search($value, $items, true);
```
<br>
### SymplifyQuoteEscapeRector
Prefer quote that are not inside the string
- class: [`Rector\CodingStyle\Rector\String_\SymplifyQuoteEscapeRector`](../rules/CodingStyle/Rector/String_/SymplifyQuoteEscapeRector.php)
```diff
class SomeClass
{
public function run()
{
- $name = "\" Tom";
- $name = '\' Sara';
+ $name = '" Tom';
+ $name = "' Sara";
}
}
```
<br>
### TernaryConditionVariableAssignmentRector
Assign outcome of ternary condition to variable, where applicable
- class: [`Rector\CodingStyle\Rector\Ternary\TernaryConditionVariableAssignmentRector`](../rules/CodingStyle/Rector/Ternary/TernaryConditionVariableAssignmentRector.php)
```diff
function ternary($value)
{
- $value ? $a = 1 : $a = 0;
+ $a = $value ? 1 : 0;
}
```
<br>
### UnSpreadOperatorRector
Remove spread operator
- class: [`Rector\CodingStyle\Rector\ClassMethod\UnSpreadOperatorRector`](../rules/CodingStyle/Rector/ClassMethod/UnSpreadOperatorRector.php)
```diff
class SomeClass
{
- public function run(...$array)
+ public function run(array $array)
{
}
public function execute(array $data)
{
- $this->run(...$data);
+ $this->run($data);
}
}
```
<br>
### UseClassKeywordForClassNameResolutionRector
Use `class` keyword for class name resolution in string instead of hardcoded string reference
- class: [`Rector\CodingStyle\Rector\String_\UseClassKeywordForClassNameResolutionRector`](../rules/CodingStyle/Rector/String_/UseClassKeywordForClassNameResolutionRector.php)
```diff
-$value = 'App\SomeClass::someMethod()';
+$value = \App\SomeClass::class . '::someMethod()';
```
<br>
### UseIncrementAssignRector
Use ++ increment instead of `$var += 1`
- class: [`Rector\CodingStyle\Rector\Plus\UseIncrementAssignRector`](../rules/CodingStyle/Rector/Plus/UseIncrementAssignRector.php)
```diff
class SomeClass
{
public function run()
{
- $style += 1;
+ ++$style;
}
}
```
<br>
### VarConstantCommentRector
Constant should have a `@var` comment with type
- class: [`Rector\CodingStyle\Rector\ClassConst\VarConstantCommentRector`](../rules/CodingStyle/Rector/ClassConst/VarConstantCommentRector.php)
```diff
class SomeClass
{
+ /**
+ * @var string
+ */
const HI = 'hi';
}
```
<br>
### VersionCompareFuncCallToConstantRector
Changes use of call to version compare function to use of PHP version constant
- class: [`Rector\CodingStyle\Rector\FuncCall\VersionCompareFuncCallToConstantRector`](../rules/CodingStyle/Rector/FuncCall/VersionCompareFuncCallToConstantRector.php)
```diff
class SomeClass
{
public function run()
{
- version_compare(PHP_VERSION, '5.3.0', '<');
+ PHP_VERSION_ID < 50300;
}
}
```
<br>
### WrapEncapsedVariableInCurlyBracesRector
Wrap encapsed variables in curly braces
- class: [`Rector\CodingStyle\Rector\Encapsed\WrapEncapsedVariableInCurlyBracesRector`](../rules/CodingStyle/Rector/Encapsed/WrapEncapsedVariableInCurlyBracesRector.php)
```diff
function run($world)
{
- echo "Hello $world!";
+ echo "Hello {$world}!";
}
```
<br>
## Compatibility
### AttributeCompatibleAnnotationRector
Change annotation to attribute compatible form, see https://tomasvotruba.com/blog/doctrine-annotations-and-attributes-living-together-in-peace/
- class: [`Rector\Compatibility\Rector\Class_\AttributeCompatibleAnnotationRector`](../rules/Compatibility/Rector/Class_/AttributeCompatibleAnnotationRector.php)
```diff
-use Doctrine\Common\Annotations\Annotation\Required;
+use Doctrine\Common\Annotations\Annotation\NamedArgumentConstructor;
/**
* @annotation
+ * @NamedArgumentConstructor
*/
class SomeAnnotation
{
/**
- * @var string[]
- * @Required()
+ * @param string[] $enum
*/
- public array $enum;
+ public function __construct(
+ public array $enum
+ ) {
+ }
}
```
<br>
## DeadCode
### RecastingRemovalRector
Removes recasting of the same type
- class: [`Rector\DeadCode\Rector\Cast\RecastingRemovalRector`](../rules/DeadCode/Rector/Cast/RecastingRemovalRector.php)
```diff
$string = '';
-$string = (string) $string;
+$string = $string;
$array = [];
-$array = (array) $array;
+$array = $array;
```
<br>
### RemoveAlwaysTrueIfConditionRector
Remove if condition that is always true
- class: [`Rector\DeadCode\Rector\If_\RemoveAlwaysTrueIfConditionRector`](../rules/DeadCode/Rector/If_/RemoveAlwaysTrueIfConditionRector.php)
```diff
final class SomeClass
{
public function go()
{
- if (1 === 1) {
- return 'yes';
- }
+ return 'yes';
return 'no';
}
}
```
<br>
### RemoveAndTrueRector
Remove and true that has no added value
- class: [`Rector\DeadCode\Rector\BooleanAnd\RemoveAndTrueRector`](../rules/DeadCode/Rector/BooleanAnd/RemoveAndTrueRector.php)
```diff
class SomeClass
{
public function run()
{
- return true && 5 === 1;
+ return 5 === 1;
}
}
```
<br>
### RemoveAnnotationRector
Remove annotation by names
:wrench: **configure it!**
- class: [`Rector\DeadCode\Rector\ClassLike\RemoveAnnotationRector`](../rules/DeadCode/Rector/ClassLike/RemoveAnnotationRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\ClassLike\RemoveAnnotationRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveAnnotationRector::class, ['method']);
};
```
↓
```diff
-/**
- * @method getName()
- */
final class SomeClass
{
}
```
<br>
### RemoveConcatAutocastRector
Remove (string) casting when it comes to concat, that does this by default
- class: [`Rector\DeadCode\Rector\Concat\RemoveConcatAutocastRector`](../rules/DeadCode/Rector/Concat/RemoveConcatAutocastRector.php)
```diff
class SomeConcatingClass
{
public function run($value)
{
- return 'hi ' . (string) $value;
+ return 'hi ' . $value;
}
}
```
<br>
### RemoveDeadConditionAboveReturnRector
Remove dead condition above return
- class: [`Rector\DeadCode\Rector\Return_\RemoveDeadConditionAboveReturnRector`](../rules/DeadCode/Rector/Return_/RemoveDeadConditionAboveReturnRector.php)
```diff
final class SomeClass
{
public function go()
{
- if (1 === 1) {
- return 'yes';
- }
-
return 'yes';
}
}
```
<br>
### RemoveDeadContinueRector
Remove useless continue at the end of loops
- class: [`Rector\DeadCode\Rector\For_\RemoveDeadContinueRector`](../rules/DeadCode/Rector/For_/RemoveDeadContinueRector.php)
```diff
while ($i < 10) {
++$i;
- continue;
}
```
<br>
### RemoveDeadIfForeachForRector
Remove if, foreach and for that does not do anything
- class: [`Rector\DeadCode\Rector\For_\RemoveDeadIfForeachForRector`](../rules/DeadCode/Rector/For_/RemoveDeadIfForeachForRector.php)
```diff
class SomeClass
{
public function run($someObject)
{
$value = 5;
- if ($value) {
- }
-
if ($someObject->run()) {
- }
-
- foreach ($values as $value) {
}
return $value;
}
}
```
<br>
### RemoveDeadInstanceOfRector
Remove dead instanceof check on type hinted variable
- class: [`Rector\DeadCode\Rector\If_\RemoveDeadInstanceOfRector`](../rules/DeadCode/Rector/If_/RemoveDeadInstanceOfRector.php)
```diff
final class SomeClass
{
public function go(stdClass $stdClass)
{
- if (! $stdClass instanceof stdClass) {
- return false;
- }
-
return true;
}
}
```
<br>
### RemoveDeadLoopRector
Remove loop with no body
- class: [`Rector\DeadCode\Rector\For_\RemoveDeadLoopRector`](../rules/DeadCode/Rector/For_/RemoveDeadLoopRector.php)
```diff
class SomeClass
{
public function run($values)
{
- for ($i=1; $i<count($values); ++$i) {
- }
}
}
```
<br>
### RemoveDeadReturnRector
Remove last return in the functions, since does not do anything
- class: [`Rector\DeadCode\Rector\FunctionLike\RemoveDeadReturnRector`](../rules/DeadCode/Rector/FunctionLike/RemoveDeadReturnRector.php)
```diff
class SomeClass
{
public function run()
{
$shallWeDoThis = true;
if ($shallWeDoThis) {
return;
}
-
- return;
}
}
```
<br>
### RemoveDeadStmtRector
Removes dead code statements
- class: [`Rector\DeadCode\Rector\Expression\RemoveDeadStmtRector`](../rules/DeadCode/Rector/Expression/RemoveDeadStmtRector.php)
```diff
-$value = 5;
-$value;
+$value = 5;
```
<br>
### RemoveDeadTryCatchRector
Remove dead try/catch
- class: [`Rector\DeadCode\Rector\TryCatch\RemoveDeadTryCatchRector`](../rules/DeadCode/Rector/TryCatch/RemoveDeadTryCatchRector.php)
```diff
class SomeClass
{
public function run()
{
- try {
- // some code
- }
- catch (Throwable $throwable) {
- throw $throwable;
- }
}
}
```
<br>
### RemoveDeadZeroAndOneOperationRector
Remove operation with 1 and 0, that have no effect on the value
- class: [`Rector\DeadCode\Rector\Plus\RemoveDeadZeroAndOneOperationRector`](../rules/DeadCode/Rector/Plus/RemoveDeadZeroAndOneOperationRector.php)
```diff
class SomeClass
{
public function run()
{
- $value = 5 * 1;
- $value = 5 + 0;
+ $value = 5;
+ $value = 5;
}
}
```
<br>
### RemoveDelegatingParentCallRector
Removed dead parent call, that does not change anything
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveDelegatingParentCallRector`](../rules/DeadCode/Rector/ClassMethod/RemoveDelegatingParentCallRector.php)
```diff
class SomeClass
{
- public function prettyPrint(array $stmts): string
- {
- return parent::prettyPrint($stmts);
- }
}
```
<br>
### RemoveDoubleAssignRector
Simplify useless double assigns
- class: [`Rector\DeadCode\Rector\Assign\RemoveDoubleAssignRector`](../rules/DeadCode/Rector/Assign/RemoveDoubleAssignRector.php)
```diff
-$value = 1;
$value = 1;
```
<br>
### RemoveDuplicatedArrayKeyRector
Remove duplicated key in defined arrays.
- class: [`Rector\DeadCode\Rector\Array_\RemoveDuplicatedArrayKeyRector`](../rules/DeadCode/Rector/Array_/RemoveDuplicatedArrayKeyRector.php)
```diff
$item = [
- 1 => 'A',
1 => 'B'
];
```
<br>
### RemoveDuplicatedCaseInSwitchRector
2 following switch keys with identical will be reduced to one result
- class: [`Rector\DeadCode\Rector\Switch_\RemoveDuplicatedCaseInSwitchRector`](../rules/DeadCode/Rector/Switch_/RemoveDuplicatedCaseInSwitchRector.php)
```diff
class SomeClass
{
public function run()
{
switch ($name) {
case 'clearHeader':
return $this->modifyHeader($node, 'remove');
case 'clearAllHeaders':
- return $this->modifyHeader($node, 'replace');
case 'clearRawHeaders':
return $this->modifyHeader($node, 'replace');
case '...':
return 5;
}
}
}
```
<br>
### RemoveDuplicatedIfReturnRector
Remove duplicated if stmt with return in function/method body
- class: [`Rector\DeadCode\Rector\FunctionLike\RemoveDuplicatedIfReturnRector`](../rules/DeadCode/Rector/FunctionLike/RemoveDuplicatedIfReturnRector.php)
```diff
class SomeClass
{
public function run($value)
{
if ($value) {
return true;
}
$value2 = 100;
-
- if ($value) {
- return true;
- }
}
}
```
<br>
### RemoveDuplicatedInstanceOfRector
Remove duplicated instanceof in one call
- class: [`Rector\DeadCode\Rector\BinaryOp\RemoveDuplicatedInstanceOfRector`](../rules/DeadCode/Rector/BinaryOp/RemoveDuplicatedInstanceOfRector.php)
```diff
class SomeClass
{
- public function run($value)
+ public function run($value): void
{
- $isIt = $value instanceof A || $value instanceof A;
- $isIt = $value instanceof A && $value instanceof A;
+ $isIt = $value instanceof A;
+ $isIt = $value instanceof A;
}
}
```
<br>
### RemoveEmptyClassMethodRector
Remove empty class methods not required by parents
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveEmptyClassMethodRector`](../rules/DeadCode/Rector/ClassMethod/RemoveEmptyClassMethodRector.php)
```diff
class OrphanClass
{
- public function __construct()
- {
- }
}
```
<br>
### RemoveEmptyMethodCallRector
Remove empty method call
- class: [`Rector\DeadCode\Rector\MethodCall\RemoveEmptyMethodCallRector`](../rules/DeadCode/Rector/MethodCall/RemoveEmptyMethodCallRector.php)
```diff
class SomeClass
{
public function callThis()
{
}
}
-$some = new SomeClass();
-$some->callThis();
+$some = new SomeClass();
```
<br>
### RemoveJustPropertyFetchForAssignRector
Remove assign of property, just for value assign
- class: [`Rector\DeadCode\Rector\StmtsAwareInterface\RemoveJustPropertyFetchForAssignRector`](../rules/DeadCode/Rector/StmtsAwareInterface/RemoveJustPropertyFetchForAssignRector.php)
```diff
class SomeClass
{
private $items = [];
public function run()
{
- $items = $this->items;
- $items[] = 1000;
- $this->items = $items ;
+ $this->items[] = 1000;
}
}
```
<br>
### RemoveJustPropertyFetchRector
Inline property fetch assign to a variable, that has no added value
- class: [`Rector\DeadCode\Rector\StmtsAwareInterface\RemoveJustPropertyFetchRector`](../rules/DeadCode/Rector/StmtsAwareInterface/RemoveJustPropertyFetchRector.php)
```diff
final class SomeClass
{
private $name;
public function run()
{
- $name = $this->name;
-
- return $name;
+ return $this->name;
}
}
```
<br>
### RemoveJustVariableAssignRector
Remove variable just to assign value or return value
- class: [`Rector\DeadCode\Rector\StmtsAwareInterface\RemoveJustVariableAssignRector`](../rules/DeadCode/Rector/StmtsAwareInterface/RemoveJustVariableAssignRector.php)
```diff
final class SomeClass
{
public function run()
{
- $result = 100;
-
- $this->temporaryValue = $result;
+ $this->temporaryValue = 100;
}
}
```
<br>
### RemoveLastReturnRector
Remove very last `return` that has no meaning
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveLastReturnRector`](../rules/DeadCode/Rector/ClassMethod/RemoveLastReturnRector.php)
```diff
function some_function($value)
{
if ($value === 1000) {
return;
}
if ($value) {
- return;
}
}
```
<br>
### RemoveNonExistingVarAnnotationRector
Removes non-existing `@var` annotations above the code
- class: [`Rector\DeadCode\Rector\Node\RemoveNonExistingVarAnnotationRector`](../rules/DeadCode/Rector/Node/RemoveNonExistingVarAnnotationRector.php)
```diff
class SomeClass
{
public function get()
{
- /** @var Training[] $trainings */
return $this->getData();
}
}
```
<br>
### RemoveNullPropertyInitializationRector
Remove initialization with null value from property declarations
- class: [`Rector\DeadCode\Rector\PropertyProperty\RemoveNullPropertyInitializationRector`](../rules/DeadCode/Rector/PropertyProperty/RemoveNullPropertyInitializationRector.php)
```diff
class SunshineCommand extends ParentClassWithNewConstructor
{
- private $myVar = null;
+ private $myVar;
}
```
<br>
### RemoveParentCallWithoutParentRector
Remove unused parent call with no parent class
- class: [`Rector\DeadCode\Rector\StaticCall\RemoveParentCallWithoutParentRector`](../rules/DeadCode/Rector/StaticCall/RemoveParentCallWithoutParentRector.php)
```diff
class OrphanClass
{
public function __construct()
{
- parent::__construct();
}
}
```
<br>
### RemovePhpVersionIdCheckRector
Remove unneeded PHP_VERSION_ID conditional checks
:wrench: **configure it!**
- class: [`Rector\DeadCode\Rector\ConstFetch\RemovePhpVersionIdCheckRector`](../rules/DeadCode/Rector/ConstFetch/RemovePhpVersionIdCheckRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\ConstFetch\RemovePhpVersionIdCheckRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemovePhpVersionIdCheckRector::class, [80000]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- if (PHP_VERSION_ID < 80000) {
- return;
- }
-
echo 'do something';
}
}
```
<br>
### RemoveUnreachableStatementRector
Remove unreachable statements
- class: [`Rector\DeadCode\Rector\Stmt\RemoveUnreachableStatementRector`](../rules/DeadCode/Rector/Stmt/RemoveUnreachableStatementRector.php)
```diff
class SomeClass
{
public function run()
{
return 5;
-
- $removeMe = 10;
}
}
```
<br>
### RemoveUnusedConstructorParamRector
Remove unused parameter in constructor
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveUnusedConstructorParamRector`](../rules/DeadCode/Rector/ClassMethod/RemoveUnusedConstructorParamRector.php)
```diff
final class SomeClass
{
private $hey;
- public function __construct($hey, $man)
+ public function __construct($hey)
{
$this->hey = $hey;
}
}
```
<br>
### RemoveUnusedForeachKeyRector
Remove unused key in foreach
- class: [`Rector\DeadCode\Rector\Foreach_\RemoveUnusedForeachKeyRector`](../rules/DeadCode/Rector/Foreach_/RemoveUnusedForeachKeyRector.php)
```diff
$items = [];
-foreach ($items as $key => $value) {
+foreach ($items as $value) {
$result = $value;
}
```
<br>
### RemoveUnusedNonEmptyArrayBeforeForeachRector
Remove unused if check to non-empty array before foreach of the array
- class: [`Rector\DeadCode\Rector\If_\RemoveUnusedNonEmptyArrayBeforeForeachRector`](../rules/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector.php)
```diff
class SomeClass
{
public function run()
{
$values = [];
- if ($values !== []) {
- foreach ($values as $value) {
- echo $value;
- }
+ foreach ($values as $value) {
+ echo $value;
}
}
}
```
<br>
### RemoveUnusedPrivateClassConstantRector
Remove unused class constants
- class: [`Rector\DeadCode\Rector\ClassConst\RemoveUnusedPrivateClassConstantRector`](../rules/DeadCode/Rector/ClassConst/RemoveUnusedPrivateClassConstantRector.php)
```diff
class SomeClass
{
- private const SOME_CONST = 'dead';
-
public function run()
{
}
}
```
<br>
### RemoveUnusedPrivateMethodParameterRector
Remove unused parameter, if not required by interface or parent class
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveUnusedPrivateMethodParameterRector`](../rules/DeadCode/Rector/ClassMethod/RemoveUnusedPrivateMethodParameterRector.php)
```diff
class SomeClass
{
- private function run($value, $value2)
+ private function run($value)
{
$this->value = $value;
}
}
```
<br>
### RemoveUnusedPrivateMethodRector
Remove unused private method
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveUnusedPrivateMethodRector`](../rules/DeadCode/Rector/ClassMethod/RemoveUnusedPrivateMethodRector.php)
```diff
final class SomeController
{
public function run()
{
return 5;
}
-
- private function skip()
- {
- return 10;
- }
}
```
<br>
### RemoveUnusedPrivatePropertyRector
Remove unused private properties
:wrench: **configure it!**
- class: [`Rector\DeadCode\Rector\Property\RemoveUnusedPrivatePropertyRector`](../rules/DeadCode/Rector/Property/RemoveUnusedPrivatePropertyRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\Property\RemoveUnusedPrivatePropertyRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveUnusedPrivatePropertyRector::class, [
RemoveUnusedPrivatePropertyRector::REMOVE_ASSIGN_SIDE_EFFECT => true,
]);
};
```
↓
```diff
class SomeClass
{
- private $property;
}
```
<br>
### RemoveUnusedPromotedPropertyRector
Remove unused promoted property
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveUnusedPromotedPropertyRector`](../rules/DeadCode/Rector/ClassMethod/RemoveUnusedPromotedPropertyRector.php)
```diff
class SomeClass
{
public function __construct(
- private $someUnusedDependency,
private $usedDependency
) {
}
public function getUsedDependency()
{
return $this->usedDependency;
}
}
```
<br>
### RemoveUnusedVariableAssignRector
Remove unused assigns to variables
- class: [`Rector\DeadCode\Rector\Assign\RemoveUnusedVariableAssignRector`](../rules/DeadCode/Rector/Assign/RemoveUnusedVariableAssignRector.php)
```diff
class SomeClass
{
public function run()
{
- $value = 5;
}
}
```
<br>
### RemoveUselessParamTagRector
Remove `@param` docblock with same type as parameter type
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveUselessParamTagRector`](../rules/DeadCode/Rector/ClassMethod/RemoveUselessParamTagRector.php)
```diff
class SomeClass
{
/**
- * @param string $a
* @param string $b description
*/
public function foo(string $a, string $b)
{
}
}
```
<br>
### RemoveUselessReturnTagRector
Remove `@return` docblock with same type as defined in PHP
- class: [`Rector\DeadCode\Rector\ClassMethod\RemoveUselessReturnTagRector`](../rules/DeadCode/Rector/ClassMethod/RemoveUselessReturnTagRector.php)
```diff
use stdClass;
class SomeClass
{
- /**
- * @return stdClass
- */
public function foo(): stdClass
{
}
}
```
<br>
### RemoveUselessVarTagRector
Remove unused `@var` annotation for properties
- class: [`Rector\DeadCode\Rector\Property\RemoveUselessVarTagRector`](../rules/DeadCode/Rector/Property/RemoveUselessVarTagRector.php)
```diff
final class SomeClass
{
- /**
- * @var string
- */
public string $name = 'name';
}
```
<br>
### SimplifyIfElseWithSameContentRector
Remove if/else if they have same content
- class: [`Rector\DeadCode\Rector\If_\SimplifyIfElseWithSameContentRector`](../rules/DeadCode/Rector/If_/SimplifyIfElseWithSameContentRector.php)
```diff
class SomeClass
{
public function run()
{
- if (true) {
- return 1;
- } else {
- return 1;
- }
+ return 1;
}
}
```
<br>
### SimplifyMirrorAssignRector
Removes unneeded `$value` = `$value` assigns
- class: [`Rector\DeadCode\Rector\Expression\SimplifyMirrorAssignRector`](../rules/DeadCode/Rector/Expression/SimplifyMirrorAssignRector.php)
```diff
function run() {
- $result = $result;
}
```
<br>
### TernaryToBooleanOrFalseToBooleanAndRector
Change ternary of bool : false to && bool
- class: [`Rector\DeadCode\Rector\Ternary\TernaryToBooleanOrFalseToBooleanAndRector`](../rules/DeadCode/Rector/Ternary/TernaryToBooleanOrFalseToBooleanAndRector.php)
```diff
class SomeClass
{
public function go()
{
- return $value ? $this->getBool() : false;
+ return $value && $this->getBool();
}
private function getBool(): bool
{
return (bool) 5;
}
}
```
<br>
### UnwrapFutureCompatibleIfPhpVersionRector
Remove php version checks if they are passed
- class: [`Rector\DeadCode\Rector\If_\UnwrapFutureCompatibleIfPhpVersionRector`](../rules/DeadCode/Rector/If_/UnwrapFutureCompatibleIfPhpVersionRector.php)
```diff
// current PHP: 7.2
-if (version_compare(PHP_VERSION, '7.2', '<')) {
- return 'is PHP 7.1-';
-} else {
- return 'is PHP 7.2+';
-}
+return 'is PHP 7.2+';
```
<br>
## DependencyInjection
### ActionInjectionToConstructorInjectionRector
Turns action injection in Controllers to constructor injection
- class: [`Rector\DependencyInjection\Rector\Class_\ActionInjectionToConstructorInjectionRector`](../rules/DependencyInjection/Rector/Class_/ActionInjectionToConstructorInjectionRector.php)
```diff
final class SomeController
{
- public function default(ProductRepository $productRepository)
+ public function __construct(
+ private ProductRepository $productRepository
+ ) {
+ }
+
+ public function default()
{
- $products = $productRepository->fetchAll();
+ $products = $this->productRepository->fetchAll();
}
}
```
<br>
### AddMethodParentCallRector
Add method parent call, in case new parent method is added
:wrench: **configure it!**
- class: [`Rector\DependencyInjection\Rector\ClassMethod\AddMethodParentCallRector`](../rules/DependencyInjection/Rector/ClassMethod/AddMethodParentCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\DependencyInjection\Rector\ClassMethod\AddMethodParentCallRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(AddMethodParentCallRector::class, [
'ParentClassWithNewConstructor' => '__construct',
]);
};
```
↓
```diff
class SunshineCommand extends ParentClassWithNewConstructor
{
public function __construct()
{
$value = 5;
+
+ parent::__construct();
}
}
```
<br>
## EarlyReturn
### ChangeAndIfToEarlyReturnRector
Changes if && to early return
- class: [`Rector\EarlyReturn\Rector\If_\ChangeAndIfToEarlyReturnRector`](../rules/EarlyReturn/Rector/If_/ChangeAndIfToEarlyReturnRector.php)
```diff
class SomeClass
{
public function canDrive(Car $car)
{
- if ($car->hasWheels && $car->hasFuel) {
- return true;
+ if (! $car->hasWheels) {
+ return false;
}
- return false;
+ if (! $car->hasFuel) {
+ return false;
+ }
+
+ return true;
}
}
```
<br>
### ChangeIfElseValueAssignToEarlyReturnRector
Change if/else value to early return
- class: [`Rector\EarlyReturn\Rector\If_\ChangeIfElseValueAssignToEarlyReturnRector`](../rules/EarlyReturn/Rector/If_/ChangeIfElseValueAssignToEarlyReturnRector.php)
```diff
class SomeClass
{
public function run()
{
if ($this->hasDocBlock($tokens, $index)) {
- $docToken = $tokens[$this->getDocBlockIndex($tokens, $index)];
- } else {
- $docToken = null;
+ return $tokens[$this->getDocBlockIndex($tokens, $index)];
}
-
- return $docToken;
+ return null;
}
}
```
<br>
### ChangeNestedForeachIfsToEarlyContinueRector
Change nested ifs to foreach with continue
- class: [`Rector\EarlyReturn\Rector\Foreach_\ChangeNestedForeachIfsToEarlyContinueRector`](../rules/EarlyReturn/Rector/Foreach_/ChangeNestedForeachIfsToEarlyContinueRector.php)
```diff
class SomeClass
{
public function run()
{
$items = [];
foreach ($values as $value) {
- if ($value === 5) {
- if ($value2 === 10) {
- $items[] = 'maybe';
- }
+ if ($value !== 5) {
+ continue;
}
+ if ($value2 !== 10) {
+ continue;
+ }
+
+ $items[] = 'maybe';
}
}
}
```
<br>
### ChangeNestedIfsToEarlyReturnRector
Change nested ifs to early return
- class: [`Rector\EarlyReturn\Rector\If_\ChangeNestedIfsToEarlyReturnRector`](../rules/EarlyReturn/Rector/If_/ChangeNestedIfsToEarlyReturnRector.php)
```diff
class SomeClass
{
public function run()
{
- if ($value === 5) {
- if ($value2 === 10) {
- return 'yes';
- }
+ if ($value !== 5) {
+ return 'no';
+ }
+
+ if ($value2 === 10) {
+ return 'yes';
}
return 'no';
}
}
```
<br>
### ChangeOrIfContinueToMultiContinueRector
Changes if || to early return
- class: [`Rector\EarlyReturn\Rector\If_\ChangeOrIfContinueToMultiContinueRector`](../rules/EarlyReturn/Rector/If_/ChangeOrIfContinueToMultiContinueRector.php)
```diff
class SomeClass
{
public function canDrive(Car $newCar)
{
foreach ($cars as $car) {
- if ($car->hasWheels() || $car->hasFuel()) {
+ if ($car->hasWheels()) {
+ continue;
+ }
+ if ($car->hasFuel()) {
continue;
}
$car->setWheel($newCar->wheel);
$car->setFuel($newCar->fuel);
}
}
}
```
<br>
### ChangeOrIfReturnToEarlyReturnRector
Changes if || with return to early return
- class: [`Rector\EarlyReturn\Rector\If_\ChangeOrIfReturnToEarlyReturnRector`](../rules/EarlyReturn/Rector/If_/ChangeOrIfReturnToEarlyReturnRector.php)
```diff
class SomeClass
{
public function run($a, $b)
{
- if ($a || $b) {
+ if ($a) {
+ return null;
+ }
+ if ($b) {
return null;
}
return 'another';
}
}
```
<br>
### PreparedValueToEarlyReturnRector
Return early prepared value in ifs
- class: [`Rector\EarlyReturn\Rector\Return_\PreparedValueToEarlyReturnRector`](../rules/EarlyReturn/Rector/Return_/PreparedValueToEarlyReturnRector.php)
```diff
class SomeClass
{
public function run()
{
- $var = null;
-
if (rand(0,1)) {
- $var = 1;
+ return 1;
}
if (rand(0,1)) {
- $var = 2;
+ return 2;
}
- return $var;
+ return null;
}
}
```
<br>
### RemoveAlwaysElseRector
Split if statement, when if condition always break execution flow
- class: [`Rector\EarlyReturn\Rector\If_\RemoveAlwaysElseRector`](../rules/EarlyReturn/Rector/If_/RemoveAlwaysElseRector.php)
```diff
class SomeClass
{
public function run($value)
{
if ($value) {
throw new \InvalidStateException;
- } else {
- return 10;
}
+
+ return 10;
}
}
```
<br>
### ReturnBinaryAndToEarlyReturnRector
Changes Single return of && to early returns
- class: [`Rector\EarlyReturn\Rector\Return_\ReturnBinaryAndToEarlyReturnRector`](../rules/EarlyReturn/Rector/Return_/ReturnBinaryAndToEarlyReturnRector.php)
```diff
class SomeClass
{
public function accept()
{
- return $this->something() && $this->somethingelse();
+ if (! $this->something()) {
+ return false;
+ }
+
+ return (bool) $this->somethingelse();
}
}
```
<br>
### ReturnBinaryOrToEarlyReturnRector
Changes Single return of || to early returns
- class: [`Rector\EarlyReturn\Rector\Return_\ReturnBinaryOrToEarlyReturnRector`](../rules/EarlyReturn/Rector/Return_/ReturnBinaryOrToEarlyReturnRector.php)
```diff
class SomeClass
{
public function accept()
{
- return $this->something() || $this->somethingElse();
+ if ($this->something()) {
+ return true;
+ }
+ return (bool) $this->somethingElse();
}
}
```
<br>
### ReturnEarlyIfVariableRector
Replace if conditioned variable override with direct return
- class: [`Rector\EarlyReturn\Rector\StmtsAwareInterface\ReturnEarlyIfVariableRector`](../rules/EarlyReturn/Rector/StmtsAwareInterface/ReturnEarlyIfVariableRector.php)
```diff
final class SomeClass
{
public function run($value)
{
if ($value === 50) {
- $value = 100;
+ return 100;
}
return $value;
}
}
```
<br>
## MysqlToMysqli
### MysqlAssignToMysqliRector
Converts more complex mysql functions to mysqli
- class: [`Rector\MysqlToMysqli\Rector\Assign\MysqlAssignToMysqliRector`](../rules/MysqlToMysqli/Rector/Assign/MysqlAssignToMysqliRector.php)
```diff
-$data = mysql_db_name($result, $row);
+mysqli_data_seek($result, $row);
+$fetch = mysql_fetch_row($result);
+$data = $fetch[0];
```
<br>
### MysqlFuncCallToMysqliRector
Converts more complex mysql functions to mysqli
- class: [`Rector\MysqlToMysqli\Rector\FuncCall\MysqlFuncCallToMysqliRector`](../rules/MysqlToMysqli/Rector/FuncCall/MysqlFuncCallToMysqliRector.php)
```diff
-mysql_drop_db($database);
+mysqli_query('DROP DATABASE ' . $database);
```
<br>
### MysqlPConnectToMysqliConnectRector
Replace `mysql_pconnect()` with `mysqli_connect()` with host p: prefix
- class: [`Rector\MysqlToMysqli\Rector\FuncCall\MysqlPConnectToMysqliConnectRector`](../rules/MysqlToMysqli/Rector/FuncCall/MysqlPConnectToMysqliConnectRector.php)
```diff
final class SomeClass
{
public function run($host, $username, $password)
{
- return mysql_pconnect($host, $username, $password);
+ return mysqli_connect('p:' . $host, $username, $password);
}
}
```
<br>
### MysqlQueryMysqlErrorWithLinkRector
Add mysql_query and mysql_error with connection
- class: [`Rector\MysqlToMysqli\Rector\FuncCall\MysqlQueryMysqlErrorWithLinkRector`](../rules/MysqlToMysqli/Rector/FuncCall/MysqlQueryMysqlErrorWithLinkRector.php)
```diff
class SomeClass
{
public function run()
{
$conn = mysqli_connect('host', 'user', 'pass');
- mysql_error();
+ mysqli_error($conn);
$sql = 'SELECT';
- return mysql_query($sql);
+ return mysqli_query($conn, $sql);
}
}
```
<br>
## Naming
### RenameForeachValueVariableToMatchExprVariableRector
Renames value variable name in foreach loop to match expression variable
- class: [`Rector\Naming\Rector\Foreach_\RenameForeachValueVariableToMatchExprVariableRector`](../rules/Naming/Rector/Foreach_/RenameForeachValueVariableToMatchExprVariableRector.php)
```diff
class SomeClass
{
public function run()
{
$array = [];
- foreach ($variables as $property) {
- $array[] = $property;
+ foreach ($variables as $variable) {
+ $array[] = $variable;
}
}
}
```
<br>
### RenameForeachValueVariableToMatchMethodCallReturnTypeRector
Renames value variable name in foreach loop to match method type
- class: [`Rector\Naming\Rector\Foreach_\RenameForeachValueVariableToMatchMethodCallReturnTypeRector`](../rules/Naming/Rector/Foreach_/RenameForeachValueVariableToMatchMethodCallReturnTypeRector.php)
```diff
class SomeClass
{
public function run()
{
$array = [];
- foreach ($object->getMethods() as $property) {
- $array[] = $property;
+ foreach ($object->getMethods() as $method) {
+ $array[] = $method;
}
}
}
```
<br>
### RenameParamToMatchTypeRector
Rename param to match ClassType
- class: [`Rector\Naming\Rector\ClassMethod\RenameParamToMatchTypeRector`](../rules/Naming/Rector/ClassMethod/RenameParamToMatchTypeRector.php)
```diff
final class SomeClass
{
- public function run(Apple $pie)
+ public function run(Apple $apple)
{
- $food = $pie;
+ $food = $apple;
}
}
```
<br>
### RenamePropertyToMatchTypeRector
Rename property and method param to match its type
- class: [`Rector\Naming\Rector\Class_\RenamePropertyToMatchTypeRector`](../rules/Naming/Rector/Class_/RenamePropertyToMatchTypeRector.php)
```diff
class SomeClass
{
/**
* @var EntityManager
*/
- private $eventManager;
+ private $entityManager;
- public function __construct(EntityManager $eventManager)
+ public function __construct(EntityManager $entityManager)
{
- $this->eventManager = $eventManager;
+ $this->entityManager = $entityManager;
}
}
```
<br>
### RenameVariableToMatchMethodCallReturnTypeRector
Rename variable to match method return type
- class: [`Rector\Naming\Rector\Assign\RenameVariableToMatchMethodCallReturnTypeRector`](../rules/Naming/Rector/Assign/RenameVariableToMatchMethodCallReturnTypeRector.php)
```diff
class SomeClass
{
public function run()
{
- $a = $this->getRunner();
+ $runner = $this->getRunner();
}
public function getRunner(): Runner
{
return new Runner();
}
}
```
<br>
### RenameVariableToMatchNewTypeRector
Rename variable to match new ClassType
- class: [`Rector\Naming\Rector\ClassMethod\RenameVariableToMatchNewTypeRector`](../rules/Naming/Rector/ClassMethod/RenameVariableToMatchNewTypeRector.php)
```diff
final class SomeClass
{
public function run()
{
- $search = new DreamSearch();
- $search->advance();
+ $dreamSearch = new DreamSearch();
+ $dreamSearch->advance();
}
}
```
<br>
## PSR4
### MultipleClassFileToPsr4ClassesRector
Change multiple classes in one file to standalone PSR-4 classes.
- class: [`Rector\PSR4\Rector\Namespace_\MultipleClassFileToPsr4ClassesRector`](../rules/PSR4/Rector/Namespace_/MultipleClassFileToPsr4ClassesRector.php)
```diff
+// new file: "app/Exceptions/FirstException.php"
namespace App\Exceptions;
use Exception;
final class FirstException extends Exception
{
}
+
+// new file: "app/Exceptions/SecondException.php"
+namespace App\Exceptions;
+
+use Exception;
final class SecondException extends Exception
{
}
```
<br>
### NormalizeNamespaceByPSR4ComposerAutoloadRector
Adds namespace to namespace-less files or correct namespace to match PSR-4 in `composer.json` autoload section. Run with combination with "Rector\PSR4\Rector\Namespace_\MultipleClassFileToPsr4ClassesRector"
- class: [`Rector\PSR4\Rector\FileWithoutNamespace\NormalizeNamespaceByPSR4ComposerAutoloadRector`](../rules/PSR4/Rector/FileWithoutNamespace/NormalizeNamespaceByPSR4ComposerAutoloadRector.php)
- with `composer.json`:
```json
{
"autoload": {
"psr-4": {
"App\\CustomNamespace\\": "src"
}
}
}
```
↓
```diff
// src/SomeClass.php
+namespace App\CustomNamespace;
+
class SomeClass
{
}
```
<br>
## Php52
### ContinueToBreakInSwitchRector
Use break instead of continue in switch statements
- class: [`Rector\Php52\Rector\Switch_\ContinueToBreakInSwitchRector`](../rules/Php52/Rector/Switch_/ContinueToBreakInSwitchRector.php)
```diff
function some_run($value)
{
switch ($value) {
case 1:
echo 'Hi';
- continue;
+ break;
case 2:
echo 'Hello';
break;
}
}
```
<br>
### VarToPublicPropertyRector
Change property modifier from `var` to `public`
- class: [`Rector\Php52\Rector\Property\VarToPublicPropertyRector`](../rules/Php52/Rector/Property/VarToPublicPropertyRector.php)
```diff
final class SomeController
{
- var $name = 'Tom';
+ public $name = 'Tom';
}
```
<br>
## Php53
### DirNameFileConstantToDirConstantRector
Convert dirname(__FILE__) to __DIR__
- class: [`Rector\Php53\Rector\FuncCall\DirNameFileConstantToDirConstantRector`](../rules/Php53/Rector/FuncCall/DirNameFileConstantToDirConstantRector.php)
```diff
class SomeClass
{
public function run()
{
- return dirname(__FILE__);
+ return __DIR__;
}
}
```
<br>
### ReplaceHttpServerVarsByServerRector
Rename old `$HTTP_*` variable names to new replacements
- class: [`Rector\Php53\Rector\Variable\ReplaceHttpServerVarsByServerRector`](../rules/Php53/Rector/Variable/ReplaceHttpServerVarsByServerRector.php)
```diff
-$serverVars = $HTTP_SERVER_VARS;
+$serverVars = $_SERVER;
```
<br>
### TernaryToElvisRector
Use ?: instead of ?, where useful
- class: [`Rector\Php53\Rector\Ternary\TernaryToElvisRector`](../rules/Php53/Rector/Ternary/TernaryToElvisRector.php)
```diff
function elvis()
{
- $value = $a ? $a : false;
+ $value = $a ?: false;
}
```
<br>
## Php54
### LongArrayToShortArrayRector
Long array to short array
- class: [`Rector\Php54\Rector\Array_\LongArrayToShortArrayRector`](../rules/Php54/Rector/Array_/LongArrayToShortArrayRector.php)
```diff
class SomeClass
{
public function run()
{
- return array();
+ return [];
}
}
```
<br>
### RemoveReferenceFromCallRector
Remove & from function and method calls
- class: [`Rector\Php54\Rector\FuncCall\RemoveReferenceFromCallRector`](../rules/Php54/Rector/FuncCall/RemoveReferenceFromCallRector.php)
```diff
final class SomeClass
{
public function run($one)
{
- return strlen(&$one);
+ return strlen($one);
}
}
```
<br>
### RemoveZeroBreakContinueRector
Remove 0 from break and continue
- class: [`Rector\Php54\Rector\Break_\RemoveZeroBreakContinueRector`](../rules/Php54/Rector/Break_/RemoveZeroBreakContinueRector.php)
```diff
class SomeClass
{
public function run($random)
{
- continue 0;
- break 0;
+ continue;
+ break;
$five = 5;
- continue $five;
+ continue 5;
- break $random;
+ break;
}
}
```
<br>
## Php55
### ClassConstantToSelfClassRector
Change `__CLASS__` to self::class
- class: [`Rector\Php55\Rector\Class_\ClassConstantToSelfClassRector`](../rules/Php55/Rector/Class_/ClassConstantToSelfClassRector.php)
```diff
class SomeClass
{
public function callOnMe()
{
- var_dump(__CLASS__);
+ var_dump(self::class);
}
}
```
<br>
### GetCalledClassToSelfClassRector
Change `get_called_class()` to self::class on final class
- class: [`Rector\Php55\Rector\FuncCall\GetCalledClassToSelfClassRector`](../rules/Php55/Rector/FuncCall/GetCalledClassToSelfClassRector.php)
```diff
final class SomeClass
{
public function callOnMe()
{
- var_dump(get_called_class());
+ var_dump(self::class);
}
}
```
<br>
### GetCalledClassToStaticClassRector
Change `get_called_class()` to static::class on non-final class
- class: [`Rector\Php55\Rector\FuncCall\GetCalledClassToStaticClassRector`](../rules/Php55/Rector/FuncCall/GetCalledClassToStaticClassRector.php)
```diff
class SomeClass
{
public function callOnMe()
{
- var_dump(get_called_class());
+ var_dump(static::class);
}
}
```
<br>
### PregReplaceEModifierRector
The /e modifier is no longer supported, use preg_replace_callback instead
- class: [`Rector\Php55\Rector\FuncCall\PregReplaceEModifierRector`](../rules/Php55/Rector/FuncCall/PregReplaceEModifierRector.php)
```diff
class SomeClass
{
public function run()
{
- $comment = preg_replace('~\b(\w)(\w+)~e', '"$1".strtolower("$2")', $comment);
+ $comment = preg_replace_callback('~\b(\w)(\w+)~', function ($matches) {
+ return($matches[1].strtolower($matches[2]));
+ }, $comment);
}
}
```
<br>
### StringClassNameToClassConstantRector
Replace string class names by <class>::class constant
:wrench: **configure it!**
- class: [`Rector\Php55\Rector\String_\StringClassNameToClassConstantRector`](../rules/Php55/Rector/String_/StringClassNameToClassConstantRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php55\Rector\String_\StringClassNameToClassConstantRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
StringClassNameToClassConstantRector::class,
['ClassName', 'AnotherClassName']
);
};
```
↓
```diff
class AnotherClass
{
}
class SomeClass
{
public function run()
{
- return 'AnotherClass';
+ return \AnotherClass::class;
}
}
```
<br>
## Php56
### AddDefaultValueForUndefinedVariableRector
Adds default value for undefined variable
- class: [`Rector\Php56\Rector\FunctionLike\AddDefaultValueForUndefinedVariableRector`](../rules/Php56/Rector/FunctionLike/AddDefaultValueForUndefinedVariableRector.php)
```diff
class SomeClass
{
public function run()
{
+ $a = null;
if (rand(0, 1)) {
$a = 5;
}
echo $a;
}
}
```
<br>
### PowToExpRector
Changes pow(val, val2) to ** (exp) parameter
- class: [`Rector\Php56\Rector\FuncCall\PowToExpRector`](../rules/Php56/Rector/FuncCall/PowToExpRector.php)
```diff
-pow(1, 2);
+1**2;
```
<br>
## Php70
### BreakNotInLoopOrSwitchToReturnRector
Convert break outside for/foreach/switch context to return
- class: [`Rector\Php70\Rector\Break_\BreakNotInLoopOrSwitchToReturnRector`](../rules/Php70/Rector/Break_/BreakNotInLoopOrSwitchToReturnRector.php)
```diff
class SomeClass
{
public function run()
{
if ($isphp5)
return 1;
else
return 2;
- break;
+ return;
}
}
```
<br>
### CallUserMethodRector
Changes `call_user_method()/call_user_method_array()` to `call_user_func()/call_user_func_array()`
- class: [`Rector\Php70\Rector\FuncCall\CallUserMethodRector`](../rules/Php70/Rector/FuncCall/CallUserMethodRector.php)
```diff
-call_user_method($method, $obj, "arg1", "arg2");
+call_user_func(array(&$obj, "method"), "arg1", "arg2");
```
<br>
### EmptyListRector
`list()` cannot be empty
- class: [`Rector\Php70\Rector\List_\EmptyListRector`](../rules/Php70/Rector/List_/EmptyListRector.php)
```diff
-'list() = $values;'
+'list($unusedGenerated) = $values;'
```
<br>
### EregToPregMatchRector
Changes ereg*() to preg*() calls
- class: [`Rector\Php70\Rector\FuncCall\EregToPregMatchRector`](../rules/Php70/Rector/FuncCall/EregToPregMatchRector.php)
```diff
-ereg("hi")
+preg_match("#hi#");
```
<br>
### ExceptionHandlerTypehintRector
Change typehint from `Exception` to `Throwable`.
- class: [`Rector\Php70\Rector\FunctionLike\ExceptionHandlerTypehintRector`](../rules/Php70/Rector/FunctionLike/ExceptionHandlerTypehintRector.php)
```diff
-function handler(Exception $exception) { ... }
+function handler(Throwable $exception) { ... }
set_exception_handler('handler');
```
<br>
### IfToSpaceshipRector
Changes if/else to spaceship <=> where useful
- class: [`Rector\Php70\Rector\If_\IfToSpaceshipRector`](../rules/Php70/Rector/If_/IfToSpaceshipRector.php)
```diff
class SomeClass
{
public function run()
{
usort($languages, function ($a, $b) {
- if ($a[0] === $b[0]) {
- return 0;
- }
-
- return ($a[0] < $b[0]) ? 1 : -1;
+ return $b[0] <=> $a[0];
});
}
}
```
<br>
### ListSplitStringRector
`list()` cannot split string directly anymore, use `str_split()`
- class: [`Rector\Php70\Rector\Assign\ListSplitStringRector`](../rules/Php70/Rector/Assign/ListSplitStringRector.php)
```diff
-list($foo) = "string";
+list($foo) = str_split("string");
```
<br>
### ListSwapArrayOrderRector
`list()` assigns variables in reverse order - relevant in array assign
- class: [`Rector\Php70\Rector\Assign\ListSwapArrayOrderRector`](../rules/Php70/Rector/Assign/ListSwapArrayOrderRector.php)
```diff
-list($a[], $a[]) = [1, 2];
+list($a[], $a[]) = array_reverse([1, 2]);
```
<br>
### MultiDirnameRector
Changes multiple `dirname()` calls to one with nesting level
- class: [`Rector\Php70\Rector\FuncCall\MultiDirnameRector`](../rules/Php70/Rector/FuncCall/MultiDirnameRector.php)
```diff
-dirname(dirname($path));
+dirname($path, 2);
```
<br>
### NonVariableToVariableOnFunctionCallRector
Transform non variable like arguments to variable where a function or method expects an argument passed by reference
- class: [`Rector\Php70\Rector\FuncCall\NonVariableToVariableOnFunctionCallRector`](../rules/Php70/Rector/FuncCall/NonVariableToVariableOnFunctionCallRector.php)
```diff
-reset(a());
+$a = a(); reset($a);
```
<br>
### Php4ConstructorRector
Changes PHP 4 style constructor to __construct.
- class: [`Rector\Php70\Rector\ClassMethod\Php4ConstructorRector`](../rules/Php70/Rector/ClassMethod/Php4ConstructorRector.php)
```diff
class SomeClass
{
- public function SomeClass()
+ public function __construct()
{
}
}
```
<br>
### RandomFunctionRector
Changes rand, srand and getrandmax by new mt_* alternatives.
- class: [`Rector\Php70\Rector\FuncCall\RandomFunctionRector`](../rules/Php70/Rector/FuncCall/RandomFunctionRector.php)
```diff
-rand();
+mt_rand();
```
<br>
### ReduceMultipleDefaultSwitchRector
Remove first default switch, that is ignored
- class: [`Rector\Php70\Rector\Switch_\ReduceMultipleDefaultSwitchRector`](../rules/Php70/Rector/Switch_/ReduceMultipleDefaultSwitchRector.php)
```diff
switch ($expr) {
default:
- echo "Hello World";
-
- default:
echo "Goodbye Moon!";
break;
}
```
<br>
### RenameMktimeWithoutArgsToTimeRector
Renames `mktime()` without arguments to `time()`
- class: [`Rector\Php70\Rector\FuncCall\RenameMktimeWithoutArgsToTimeRector`](../rules/Php70/Rector/FuncCall/RenameMktimeWithoutArgsToTimeRector.php)
```diff
class SomeClass
{
public function run()
{
$time = mktime(1, 2, 3);
- $nextTime = mktime();
+ $nextTime = time();
}
}
```
<br>
### StaticCallOnNonStaticToInstanceCallRector
Changes static call to instance call, where not useful
- class: [`Rector\Php70\Rector\StaticCall\StaticCallOnNonStaticToInstanceCallRector`](../rules/Php70/Rector/StaticCall/StaticCallOnNonStaticToInstanceCallRector.php)
```diff
class Something
{
public function doWork()
{
}
}
class Another
{
public function run()
{
- return Something::doWork();
+ return (new Something)->doWork();
}
}
```
<br>
### TernaryToNullCoalescingRector
Changes unneeded null check to ?? operator
- class: [`Rector\Php70\Rector\Ternary\TernaryToNullCoalescingRector`](../rules/Php70/Rector/Ternary/TernaryToNullCoalescingRector.php)
```diff
-$value === null ? 10 : $value;
+$value ?? 10;
```
<br>
```diff
-isset($value) ? $value : 10;
+$value ?? 10;
```
<br>
### TernaryToSpaceshipRector
Use <=> spaceship instead of ternary with same effect
- class: [`Rector\Php70\Rector\Ternary\TernaryToSpaceshipRector`](../rules/Php70/Rector/Ternary/TernaryToSpaceshipRector.php)
```diff
function order_func($a, $b) {
- return ($a < $b) ? -1 : (($a > $b) ? 1 : 0);
+ return $a <=> $b;
}
```
<br>
### ThisCallOnStaticMethodToStaticCallRector
Changes `$this->call()` to static method to static call
- class: [`Rector\Php70\Rector\MethodCall\ThisCallOnStaticMethodToStaticCallRector`](../rules/Php70/Rector/MethodCall/ThisCallOnStaticMethodToStaticCallRector.php)
```diff
class SomeClass
{
public static function run()
{
- $this->eat();
+ static::eat();
}
public static function eat()
{
}
}
```
<br>
### WrapVariableVariableNameInCurlyBracesRector
Ensure variable variables are wrapped in curly braces
- class: [`Rector\Php70\Rector\Variable\WrapVariableVariableNameInCurlyBracesRector`](../rules/Php70/Rector/Variable/WrapVariableVariableNameInCurlyBracesRector.php)
```diff
function run($foo)
{
- global $$foo->bar;
+ global ${$foo->bar};
}
```
<br>
## Php71
### AssignArrayToStringRector
String cannot be turned into array by assignment anymore
- class: [`Rector\Php71\Rector\Assign\AssignArrayToStringRector`](../rules/Php71/Rector/Assign/AssignArrayToStringRector.php)
```diff
-$string = '';
+$string = [];
$string[] = 1;
```
<br>
### BinaryOpBetweenNumberAndStringRector
Change binary operation between some number + string to PHP 7.1 compatible version
- class: [`Rector\Php71\Rector\BinaryOp\BinaryOpBetweenNumberAndStringRector`](../rules/Php71/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector.php)
```diff
class SomeClass
{
public function run()
{
- $value = 5 + '';
- $value = 5.0 + 'hi';
+ $value = 5 + 0;
+ $value = 5.0 + 0;
}
}
```
<br>
### CountOnNullRector
Changes `count()` on null to safe ternary check
- class: [`Rector\Php71\Rector\FuncCall\CountOnNullRector`](../rules/Php71/Rector/FuncCall/CountOnNullRector.php)
```diff
$values = null;
-$count = count($values);
+$count = $values === null ? 0 : count($values);
```
<br>
### IsIterableRector
Changes is_array + Traversable check to is_iterable
- class: [`Rector\Php71\Rector\BooleanOr\IsIterableRector`](../rules/Php71/Rector/BooleanOr/IsIterableRector.php)
```diff
-is_array($foo) || $foo instanceof Traversable;
+is_iterable($foo);
```
<br>
### ListToArrayDestructRector
Change `list()` to array destruct
- class: [`Rector\Php71\Rector\List_\ListToArrayDestructRector`](../rules/Php71/Rector/List_/ListToArrayDestructRector.php)
```diff
class SomeClass
{
public function run()
{
- list($id1, $name1) = $data;
+ [$id1, $name1] = $data;
- foreach ($data as list($id, $name)) {
+ foreach ($data as [$id, $name]) {
}
}
}
```
<br>
### MultiExceptionCatchRector
Changes multi catch of same exception to single one | separated.
- class: [`Rector\Php71\Rector\TryCatch\MultiExceptionCatchRector`](../rules/Php71/Rector/TryCatch/MultiExceptionCatchRector.php)
```diff
try {
// Some code...
-} catch (ExceptionType1 $exception) {
- $sameCode;
-} catch (ExceptionType2 $exception) {
+} catch (ExceptionType1 | ExceptionType2 $exception) {
$sameCode;
}
```
<br>
### PublicConstantVisibilityRector
Add explicit public constant visibility.
- class: [`Rector\Php71\Rector\ClassConst\PublicConstantVisibilityRector`](../rules/Php71/Rector/ClassConst/PublicConstantVisibilityRector.php)
```diff
class SomeClass
{
- const HEY = 'you';
+ public const HEY = 'you';
}
```
<br>
### RemoveExtraParametersRector
Remove extra parameters
- class: [`Rector\Php71\Rector\FuncCall\RemoveExtraParametersRector`](../rules/Php71/Rector/FuncCall/RemoveExtraParametersRector.php)
```diff
-strlen("asdf", 1);
+strlen("asdf");
```
<br>
### ReservedObjectRector
Changes reserved "Object" name to "<Smart>Object" where <Smart> can be configured
:wrench: **configure it!**
- class: [`Rector\Php71\Rector\Name\ReservedObjectRector`](../rules/Php71/Rector/Name/ReservedObjectRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php71\Rector\Name\ReservedObjectRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(ReservedObjectRector::class, [
'ReservedObject' => 'SmartObject',
'Object' => 'AnotherSmartObject',
]);
};
```
↓
```diff
-class Object
+class SmartObject
{
}
```
<br>
## Php72
### CreateFunctionToAnonymousFunctionRector
Use anonymous functions instead of deprecated `create_function()`
- class: [`Rector\Php72\Rector\FuncCall\CreateFunctionToAnonymousFunctionRector`](../rules/Php72/Rector/FuncCall/CreateFunctionToAnonymousFunctionRector.php)
```diff
class ClassWithCreateFunction
{
public function run()
{
- $callable = create_function('$matches', "return '$delimiter' . strtolower(\$matches[1]);");
+ $callable = function($matches) use ($delimiter) {
+ return $delimiter . strtolower($matches[1]);
+ };
}
}
```
<br>
### GetClassOnNullRector
Null is no more allowed in `get_class()`
- class: [`Rector\Php72\Rector\FuncCall\GetClassOnNullRector`](../rules/Php72/Rector/FuncCall/GetClassOnNullRector.php)
```diff
final class SomeClass
{
public function getItem()
{
$value = null;
- return get_class($value);
+ return $value !== null ? get_class($value) : self::class;
}
}
```
<br>
### IsObjectOnIncompleteClassRector
Incomplete class returns inverted bool on `is_object()`
- class: [`Rector\Php72\Rector\FuncCall\IsObjectOnIncompleteClassRector`](../rules/Php72/Rector/FuncCall/IsObjectOnIncompleteClassRector.php)
```diff
$incompleteObject = new __PHP_Incomplete_Class;
-$isObject = is_object($incompleteObject);
+$isObject = ! is_object($incompleteObject);
```
<br>
### ListEachRector
`each()` function is deprecated, use `key()` and `current()` instead
- class: [`Rector\Php72\Rector\Assign\ListEachRector`](../rules/Php72/Rector/Assign/ListEachRector.php)
```diff
-list($key, $callback) = each($callbacks);
+$key = key($callbacks);
+$callback = current($callbacks);
+next($callbacks);
```
<br>
### ParseStrWithResultArgumentRector
Use `$result` argument in `parse_str()` function
- class: [`Rector\Php72\Rector\FuncCall\ParseStrWithResultArgumentRector`](../rules/Php72/Rector/FuncCall/ParseStrWithResultArgumentRector.php)
```diff
-parse_str($this->query);
-$data = get_defined_vars();
+parse_str($this->query, $result);
+$data = $result;
```
<br>
### ReplaceEachAssignmentWithKeyCurrentRector
Replace `each()` assign outside loop
- class: [`Rector\Php72\Rector\Assign\ReplaceEachAssignmentWithKeyCurrentRector`](../rules/Php72/Rector/Assign/ReplaceEachAssignmentWithKeyCurrentRector.php)
```diff
$array = ['b' => 1, 'a' => 2];
-$eachedArray = each($array);
+$eachedArray[1] = current($array);
+$eachedArray['value'] = current($array);
+$eachedArray[0] = key($array);
+$eachedArray['key'] = key($array);
+next($array);
```
<br>
### StringifyDefineRector
Make first argument of `define()` string
- class: [`Rector\Php72\Rector\FuncCall\StringifyDefineRector`](../rules/Php72/Rector/FuncCall/StringifyDefineRector.php)
```diff
class SomeClass
{
public function run(int $a)
{
- define(CONSTANT_2, 'value');
+ define('CONSTANT_2', 'value');
define('CONSTANT', 'value');
}
}
```
<br>
### StringsAssertNakedRector
String asserts must be passed directly to `assert()`
- class: [`Rector\Php72\Rector\FuncCall\StringsAssertNakedRector`](../rules/Php72/Rector/FuncCall/StringsAssertNakedRector.php)
```diff
function nakedAssert()
{
- assert('true === true');
- assert("true === true");
+ assert(true === true);
+ assert(true === true);
}
```
<br>
### UnsetCastRector
Removes (unset) cast
- class: [`Rector\Php72\Rector\Unset_\UnsetCastRector`](../rules/Php72/Rector/Unset_/UnsetCastRector.php)
```diff
-$different = (unset) $value;
+$different = null;
-$value = (unset) $value;
+unset($value);
```
<br>
### WhileEachToForeachRector
`each()` function is deprecated, use `foreach()` instead.
- class: [`Rector\Php72\Rector\While_\WhileEachToForeachRector`](../rules/Php72/Rector/While_/WhileEachToForeachRector.php)
```diff
-while (list($key, $callback) = each($callbacks)) {
+foreach ($callbacks as $key => $callback) {
// ...
}
```
<br>
```diff
-while (list($key) = each($callbacks)) {
+foreach (array_keys($callbacks) as $key) {
// ...
}
```
<br>
## Php73
### ArrayKeyFirstLastRector
Make use of `array_key_first()` and `array_key_last()`
- class: [`Rector\Php73\Rector\FuncCall\ArrayKeyFirstLastRector`](../rules/Php73/Rector/FuncCall/ArrayKeyFirstLastRector.php)
```diff
-reset($items);
-$firstKey = key($items);
+$firstKey = array_key_first($items);
```
<br>
```diff
-end($items);
-$lastKey = key($items);
+$lastKey = array_key_last($items);
```
<br>
### IsCountableRector
Changes is_array + Countable check to is_countable
- class: [`Rector\Php73\Rector\BooleanOr\IsCountableRector`](../rules/Php73/Rector/BooleanOr/IsCountableRector.php)
```diff
-is_array($foo) || $foo instanceof Countable;
+is_countable($foo);
```
<br>
### JsonThrowOnErrorRector
Adds JSON_THROW_ON_ERROR to `json_encode()` and `json_decode()` to throw JsonException on error
- class: [`Rector\Php73\Rector\FuncCall\JsonThrowOnErrorRector`](../rules/Php73/Rector/FuncCall/JsonThrowOnErrorRector.php)
```diff
-json_encode($content);
-json_decode($json);
+json_encode($content, JSON_THROW_ON_ERROR);
+json_decode($json, null, 512, JSON_THROW_ON_ERROR);
```
<br>
### RegexDashEscapeRector
Escape - in some cases
- class: [`Rector\Php73\Rector\FuncCall\RegexDashEscapeRector`](../rules/Php73/Rector/FuncCall/RegexDashEscapeRector.php)
```diff
-preg_match("#[\w-()]#", 'some text');
+preg_match("#[\w\-()]#", 'some text');
```
<br>
### SensitiveConstantNameRector
Changes case insensitive constants to sensitive ones.
- class: [`Rector\Php73\Rector\ConstFetch\SensitiveConstantNameRector`](../rules/Php73/Rector/ConstFetch/SensitiveConstantNameRector.php)
```diff
define('FOO', 42, true);
var_dump(FOO);
-var_dump(foo);
+var_dump(FOO);
```
<br>
### SensitiveDefineRector
Changes case insensitive constants to sensitive ones.
- class: [`Rector\Php73\Rector\FuncCall\SensitiveDefineRector`](../rules/Php73/Rector/FuncCall/SensitiveDefineRector.php)
```diff
-define('FOO', 42, true);
+define('FOO', 42);
```
<br>
### SensitiveHereNowDocRector
Changes heredoc/nowdoc that contains closing word to safe wrapper name
- class: [`Rector\Php73\Rector\String_\SensitiveHereNowDocRector`](../rules/Php73/Rector/String_/SensitiveHereNowDocRector.php)
```diff
-$value = <<<A
+$value = <<<A_WRAP
A
-A
+A_WRAP
```
<br>
### SetCookieRector
Convert setcookie argument to PHP7.3 option array
- class: [`Rector\Php73\Rector\FuncCall\SetCookieRector`](../rules/Php73/Rector/FuncCall/SetCookieRector.php)
```diff
-setcookie('name', $value, 360);
+setcookie('name', $value, ['expires' => 360]);
```
<br>
```diff
-setcookie('name', $name, 0, '', '', true, true);
+setcookie('name', $name, ['expires' => 0, 'path' => '', 'domain' => '', 'secure' => true, 'httponly' => true]);
```
<br>
### StringifyStrNeedlesRector
Makes needles explicit strings
- class: [`Rector\Php73\Rector\FuncCall\StringifyStrNeedlesRector`](../rules/Php73/Rector/FuncCall/StringifyStrNeedlesRector.php)
```diff
$needle = 5;
-$fivePosition = strpos('725', $needle);
+$fivePosition = strpos('725', (string) $needle);
```
<br>
## Php74
### AddLiteralSeparatorToNumberRector
Add "_" as thousands separator in numbers for higher or equals to limitValue config
:wrench: **configure it!**
- class: [`Rector\Php74\Rector\LNumber\AddLiteralSeparatorToNumberRector`](../rules/Php74/Rector/LNumber/AddLiteralSeparatorToNumberRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php74\Rector\LNumber\AddLiteralSeparatorToNumberRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(AddLiteralSeparatorToNumberRector::class, [
AddLiteralSeparatorToNumberRector::LIMIT_VALUE => 1000000,
]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $int = 500000;
- $float = 1000500.001;
+ $int = 500_000;
+ $float = 1_000_500.001;
}
}
```
<br>
### ArrayKeyExistsOnPropertyRector
Change `array_key_exists()` on property to `property_exists()`
- class: [`Rector\Php74\Rector\FuncCall\ArrayKeyExistsOnPropertyRector`](../rules/Php74/Rector/FuncCall/ArrayKeyExistsOnPropertyRector.php)
```diff
class SomeClass
{
public $value;
}
$someClass = new SomeClass;
-array_key_exists('value', $someClass);
+property_exists($someClass, 'value');
```
<br>
### ArraySpreadInsteadOfArrayMergeRector
Change `array_merge()` to spread operator
- class: [`Rector\Php74\Rector\FuncCall\ArraySpreadInsteadOfArrayMergeRector`](../rules/Php74/Rector/FuncCall/ArraySpreadInsteadOfArrayMergeRector.php)
```diff
class SomeClass
{
public function run($iter1, $iter2)
{
- $values = array_merge(iterator_to_array($iter1), iterator_to_array($iter2));
+ $values = [...$iter1, ...$iter2];
// Or to generalize to all iterables
- $anotherValues = array_merge(
- is_array($iter1) ? $iter1 : iterator_to_array($iter1),
- is_array($iter2) ? $iter2 : iterator_to_array($iter2)
- );
+ $anotherValues = [...$iter1, ...$iter2];
}
}
```
<br>
### ChangeReflectionTypeToStringToGetNameRector
Change string calls on ReflectionType
- class: [`Rector\Php74\Rector\MethodCall\ChangeReflectionTypeToStringToGetNameRector`](../rules/Php74/Rector/MethodCall/ChangeReflectionTypeToStringToGetNameRector.php)
```diff
class SomeClass
{
public function go(ReflectionFunction $reflectionFunction)
{
$parameterReflection = $reflectionFunction->getParameters()[0];
- $paramType = (string) $parameterReflection->getType();
+ $paramType = (string) ($parameterReflection->getType() ? $parameterReflection->getType()->getName() : null);
- $stringValue = 'hey' . $reflectionFunction->getReturnType();
+ $stringValue = 'hey' . ($reflectionFunction->getReturnType() ? $reflectionFunction->getReturnType()->getName() : null);
// keep
return $reflectionFunction->getReturnType();
}
}
```
<br>
### ClosureToArrowFunctionRector
Change closure to arrow function
- class: [`Rector\Php74\Rector\Closure\ClosureToArrowFunctionRector`](../rules/Php74/Rector/Closure/ClosureToArrowFunctionRector.php)
```diff
class SomeClass
{
public function run($meetups)
{
- return array_filter($meetups, function (Meetup $meetup) {
- return is_object($meetup);
- });
+ return array_filter($meetups, fn(Meetup $meetup) => is_object($meetup));
}
}
```
<br>
### CurlyToSquareBracketArrayStringRector
Change curly based array and string to square bracket
- class: [`Rector\Php74\Rector\ArrayDimFetch\CurlyToSquareBracketArrayStringRector`](../rules/Php74/Rector/ArrayDimFetch/CurlyToSquareBracketArrayStringRector.php)
```diff
$string = 'test';
-echo $string{0};
+echo $string[0];
$array = ['test'];
-echo $array{0};
+echo $array[0];
```
<br>
### ExportToReflectionFunctionRector
Change `export()` to ReflectionFunction alternatives
- class: [`Rector\Php74\Rector\StaticCall\ExportToReflectionFunctionRector`](../rules/Php74/Rector/StaticCall/ExportToReflectionFunctionRector.php)
```diff
-$reflectionFunction = ReflectionFunction::export('foo');
-$reflectionFunctionAsString = ReflectionFunction::export('foo', true);
+$reflectionFunction = new ReflectionFunction('foo');
+$reflectionFunctionAsString = (string) new ReflectionFunction('foo');
```
<br>
### FilterVarToAddSlashesRector
Change `filter_var()` with slash escaping to `addslashes()`
- class: [`Rector\Php74\Rector\FuncCall\FilterVarToAddSlashesRector`](../rules/Php74/Rector/FuncCall/FilterVarToAddSlashesRector.php)
```diff
$var= "Satya's here!";
-filter_var($var, FILTER_SANITIZE_MAGIC_QUOTES);
+addslashes($var);
```
<br>
### MbStrrposEncodingArgumentPositionRector
Change `mb_strrpos()` encoding argument position
- class: [`Rector\Php74\Rector\FuncCall\MbStrrposEncodingArgumentPositionRector`](../rules/Php74/Rector/FuncCall/MbStrrposEncodingArgumentPositionRector.php)
```diff
-mb_strrpos($text, "abc", "UTF-8");
+mb_strrpos($text, "abc", 0, "UTF-8");
```
<br>
### MoneyFormatToNumberFormatRector
Change `money_format()` to equivalent `number_format()`
- class: [`Rector\Php74\Rector\FuncCall\MoneyFormatToNumberFormatRector`](../rules/Php74/Rector/FuncCall/MoneyFormatToNumberFormatRector.php)
```diff
-$value = money_format('%i', $value);
+$roundedValue = round($value, 2, PHP_ROUND_HALF_ODD);
+$value = number_format($roundedValue, 2, '.', '');
```
<br>
### NullCoalescingOperatorRector
Use null coalescing operator ??=
- class: [`Rector\Php74\Rector\Assign\NullCoalescingOperatorRector`](../rules/Php74/Rector/Assign/NullCoalescingOperatorRector.php)
```diff
$array = [];
-$array['user_id'] = $array['user_id'] ?? 'value';
+$array['user_id'] ??= 'value';
```
<br>
### ParenthesizeNestedTernaryRector
Add parentheses to nested ternary
- class: [`Rector\Php74\Rector\Ternary\ParenthesizeNestedTernaryRector`](../rules/Php74/Rector/Ternary/ParenthesizeNestedTernaryRector.php)
```diff
-$value = $a ? $b : $a ?: null;
+$value = ($a ? $b : $a) ?: null;
```
<br>
### RealToFloatTypeCastRector
Change deprecated (real) to (float)
- class: [`Rector\Php74\Rector\Double\RealToFloatTypeCastRector`](../rules/Php74/Rector/Double/RealToFloatTypeCastRector.php)
```diff
class SomeClass
{
public function run()
{
- $number = (real) 5;
+ $number = (float) 5;
$number = (float) 5;
$number = (double) 5;
}
}
```
<br>
### RestoreDefaultNullToNullableTypePropertyRector
Add null default to properties with PHP 7.4 property nullable type
- class: [`Rector\Php74\Rector\Property\RestoreDefaultNullToNullableTypePropertyRector`](../rules/Php74/Rector/Property/RestoreDefaultNullToNullableTypePropertyRector.php)
```diff
class SomeClass
{
- public ?string $name;
+ public ?string $name = null;
}
```
<br>
### TypedPropertyRector
Changes property type by `@var` annotations or default value.
:wrench: **configure it!**
- class: [`Rector\Php74\Rector\Property\TypedPropertyRector`](../rules/Php74/Rector/Property/TypedPropertyRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php74\Rector\Property\TypedPropertyRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(TypedPropertyRector::class, [
TypedPropertyRector::INLINE_PUBLIC => false,
]);
};
```
↓
```diff
final class SomeClass
{
- /**
- * @var int
- */
- private $count;
+ private int $count;
- private $isDone = false;
+ private bool $isDone = false;
}
```
<br>
## Php80
### AddParamBasedOnParentClassMethodRector
Add missing parameter based on parent class method
- class: [`Rector\Php80\Rector\ClassMethod\AddParamBasedOnParentClassMethodRector`](../rules/Php80/Rector/ClassMethod/AddParamBasedOnParentClassMethodRector.php)
```diff
class A
{
public function execute($foo)
{
}
}
class B extends A{
- public function execute()
+ public function execute($foo)
{
}
}
```
<br>
### AnnotationToAttributeRector
Change annotation to attribute
:wrench: **configure it!**
- class: [`Rector\Php80\Rector\Class_\AnnotationToAttributeRector`](../rules/Php80/Rector/Class_/AnnotationToAttributeRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php80\Rector\Class_\AnnotationToAttributeRector;
use Rector\Php80\ValueObject\AnnotationToAttribute;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
AnnotationToAttributeRector::class,
[new AnnotationToAttribute('Symfony\Component\Routing\Annotation\Route')]
);
};
```
↓
```diff
use Symfony\Component\Routing\Annotation\Route;
class SymfonyRoute
{
- /**
- * @Route("/path", name="action")
- */
+ #[Route(path: '/path', name: 'action')]
public function action()
{
}
}
```
<br>
### ChangeSwitchToMatchRector
Change `switch()` to `match()`
- class: [`Rector\Php80\Rector\Switch_\ChangeSwitchToMatchRector`](../rules/Php80/Rector/Switch_/ChangeSwitchToMatchRector.php)
```diff
-switch ($input) {
- case Lexer::T_SELECT:
- $statement = 'select';
- break;
- case Lexer::T_UPDATE:
- $statement = 'update';
- break;
- default:
- $statement = 'error';
-}
+$statement = match ($input) {
+ Lexer::T_SELECT => 'select',
+ Lexer::T_UPDATE => 'update',
+ default => 'error',
+};
```
<br>
### ClassOnObjectRector
Change get_class($object) to faster `$object::class`
- class: [`Rector\Php80\Rector\FuncCall\ClassOnObjectRector`](../rules/Php80/Rector/FuncCall/ClassOnObjectRector.php)
```diff
class SomeClass
{
public function run($object)
{
- return get_class($object);
+ return $object::class;
}
}
```
<br>
### ClassPropertyAssignToConstructorPromotionRector
Change simple property init and assign to constructor promotion
- class: [`Rector\Php80\Rector\Class_\ClassPropertyAssignToConstructorPromotionRector`](../rules/Php80/Rector/Class_/ClassPropertyAssignToConstructorPromotionRector.php)
```diff
class SomeClass
{
- public float $someVariable;
-
public function __construct(
- float $someVariable = 0.0
+ public float $someVariable = 0.0
) {
- $this->someVariable = $someVariable;
}
}
```
<br>
### DoctrineAnnotationClassToAttributeRector
Refactor Doctrine `@annotation` annotated class to a PHP 8.0 attribute class
:wrench: **configure it!**
- class: [`Rector\Php80\Rector\Class_\DoctrineAnnotationClassToAttributeRector`](../rules/Php80/Rector/Class_/DoctrineAnnotationClassToAttributeRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php80\Rector\Class_\DoctrineAnnotationClassToAttributeRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(DoctrineAnnotationClassToAttributeRector::class, [
DoctrineAnnotationClassToAttributeRector::REMOVE_ANNOTATIONS => true,
]);
};
```
↓
```diff
-use Doctrine\Common\Annotations\Annotation\Target;
+use Attribute;
-/**
- * @Annotation
- * @Target({"METHOD"})
- */
+#[Attribute(Attribute::TARGET_METHOD)]
class SomeAnnotation
{
}
```
<br>
### FinalPrivateToPrivateVisibilityRector
Changes method visibility from final private to only private
- class: [`Rector\Php80\Rector\ClassMethod\FinalPrivateToPrivateVisibilityRector`](../rules/Php80/Rector/ClassMethod/FinalPrivateToPrivateVisibilityRector.php)
```diff
class SomeClass
{
- final private function getter() {
+ private function getter() {
return $this;
}
}
```
<br>
### GetDebugTypeRector
Change ternary type resolve to `get_debug_type()`
- class: [`Rector\Php80\Rector\Ternary\GetDebugTypeRector`](../rules/Php80/Rector/Ternary/GetDebugTypeRector.php)
```diff
class SomeClass
{
public function run($value)
{
- return is_object($value) ? get_class($value) : gettype($value);
+ return get_debug_type($value);
}
}
```
<br>
### MixedTypeRector
Change mixed docs type to mixed typed
- class: [`Rector\Php80\Rector\FunctionLike\MixedTypeRector`](../rules/Php80/Rector/FunctionLike/MixedTypeRector.php)
```diff
class SomeClass
{
- /**
- * @param mixed $param
- */
- public function run($param)
+ public function run(mixed $param)
{
}
}
```
<br>
### NestedAnnotationToAttributeRector
Changed nested annotations to attributes
:wrench: **configure it!**
- class: [`Rector\Php80\Rector\Property\NestedAnnotationToAttributeRector`](../rules/Php80/Rector/Property/NestedAnnotationToAttributeRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Php80\Rector\Property\NestedAnnotationToAttributeRector;
use Rector\Php80\ValueObject\NestedAnnotationToAttribute;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
NestedAnnotationToAttributeRector::class,
[[
new NestedAnnotationToAttribute('Doctrine\ORM\Mapping\JoinTable', [
'Doctrine\ORM\Mapping\JoinColumn',
'Doctrine\ORM\Mapping\InverseJoinColumn',
], false),
]]
);
};
```
↓
```diff
use Doctrine\ORM\Mapping as ORM;
class SomeEntity
{
- /**
- * @ORM\JoinTable(name="join_table_name",
- * joinColumns={@ORM\JoinColumn(name="origin_id")},
- * inverseJoinColumns={@ORM\JoinColumn(name="target_id")}
- * )
- */
+ #[ORM\JoinTable(name: 'join_table_name')]
+ #[ORM\JoinColumn(name: 'origin_id')]
+ #[ORM\InverseJoinColumn(name: 'target_id')]
private $collection;
}
```
<br>
### Php8ResourceReturnToObjectRector
Change `is_resource()` to instanceof Object
- class: [`Rector\Php80\Rector\FuncCall\Php8ResourceReturnToObjectRector`](../rules/Php80/Rector/FuncCall/Php8ResourceReturnToObjectRector.php)
```diff
class SomeClass
{
public function run()
{
$ch = curl_init();
- is_resource($ch);
+ $ch instanceof \CurlHandle;
}
}
```
<br>
### RemoveUnusedVariableInCatchRector
Remove unused variable in `catch()`
- class: [`Rector\Php80\Rector\Catch_\RemoveUnusedVariableInCatchRector`](../rules/Php80/Rector/Catch_/RemoveUnusedVariableInCatchRector.php)
```diff
final class SomeClass
{
public function run()
{
try {
- } catch (Throwable $notUsedThrowable) {
+ } catch (Throwable) {
}
}
}
```
<br>
### SetStateToStaticRector
Adds static visibility to `__set_state()` methods
- class: [`Rector\Php80\Rector\ClassMethod\SetStateToStaticRector`](../rules/Php80/Rector/ClassMethod/SetStateToStaticRector.php)
```diff
class SomeClass
{
- public function __set_state($properties) {
+ public static function __set_state($properties) {
}
}
```
<br>
### StrContainsRector
Replace `strpos()` !== false and `strstr()` with `str_contains()`
- class: [`Rector\Php80\Rector\NotIdentical\StrContainsRector`](../rules/Php80/Rector/NotIdentical/StrContainsRector.php)
```diff
class SomeClass
{
public function run()
{
- return strpos('abc', 'a') !== false;
+ return str_contains('abc', 'a');
}
}
```
<br>
### StrEndsWithRector
Change helper functions to `str_ends_with()`
- class: [`Rector\Php80\Rector\Identical\StrEndsWithRector`](../rules/Php80/Rector/Identical/StrEndsWithRector.php)
```diff
class SomeClass
{
public function run()
{
- $isMatch = substr($haystack, -strlen($needle)) === $needle;
+ $isMatch = str_ends_with($haystack, $needle);
- $isNotMatch = substr($haystack, -strlen($needle)) !== $needle;
+ $isNotMatch = !str_ends_with($haystack, $needle);
}
}
```
<br>
```diff
class SomeClass
{
public function run()
{
- $isMatch = substr($haystack, -9) === 'hardcoded;
+ $isMatch = str_ends_with($haystack, 'hardcoded');
- $isNotMatch = substr($haystack, -9) !== 'hardcoded';
+ $isNotMatch = !str_ends_with($haystack, 'hardcoded');
}
}
```
<br>
### StrStartsWithRector
Change helper functions to `str_starts_with()`
- class: [`Rector\Php80\Rector\Identical\StrStartsWithRector`](../rules/Php80/Rector/Identical/StrStartsWithRector.php)
```diff
class SomeClass
{
public function run()
{
- $isMatch = substr($haystack, 0, strlen($needle)) === $needle;
+ $isMatch = str_starts_with($haystack, $needle);
- $isNotMatch = substr($haystack, 0, strlen($needle)) !== $needle;
+ $isNotMatch = ! str_starts_with($haystack, $needle);
}
}
```
<br>
### StringableForToStringRector
Add `Stringable` interface to classes with `__toString()` method
- class: [`Rector\Php80\Rector\Class_\StringableForToStringRector`](../rules/Php80/Rector/Class_/StringableForToStringRector.php)
```diff
-class SomeClass
+class SomeClass implements Stringable
{
- public function __toString()
+ public function __toString(): string
{
return 'I can stringz';
}
}
```
<br>
### TokenGetAllToObjectRector
Convert `token_get_all` to `PhpToken::tokenize`
- class: [`Rector\Php80\Rector\FuncCall\TokenGetAllToObjectRector`](../rules/Php80/Rector/FuncCall/TokenGetAllToObjectRector.php)
```diff
final class SomeClass
{
public function run()
{
- $tokens = token_get_all($code);
- foreach ($tokens as $token) {
- if (is_array($token)) {
- $name = token_name($token[0]);
- $text = $token[1];
- } else {
- $name = null;
- $text = $token;
- }
+ $tokens = \PhpToken::tokenize($code);
+ foreach ($tokens as $phpToken) {
+ $name = $phpToken->getTokenName();
+ $text = $phpToken->text;
}
}
}
```
<br>
### UnionTypesRector
Change docs types to union types, where possible (properties are covered by TypedPropertiesRector)
- class: [`Rector\Php80\Rector\FunctionLike\UnionTypesRector`](../rules/Php80/Rector/FunctionLike/UnionTypesRector.php)
```diff
class SomeClass
{
- /**
- * @param array|int $number
- * @return bool|float
- */
- public function go($number)
+ public function go(array|int $number): bool|float
{
}
}
```
<br>
## Php81
### ConstantListClassToEnumRector
Upgrade constant list classes to full blown enum
- class: [`Rector\Php81\Rector\Class_\ConstantListClassToEnumRector`](../rules/Php81/Rector/Class_/ConstantListClassToEnumRector.php)
```diff
-class Direction
+enum Direction
{
- public const LEFT = 'left';
+ case LEFT;
- public const RIGHT = 'right';
+ case RIGHT;
}
```
<br>
### FinalizePublicClassConstantRector
Add final to constants that does not have children
- class: [`Rector\Php81\Rector\ClassConst\FinalizePublicClassConstantRector`](../rules/Php81/Rector/ClassConst/FinalizePublicClassConstantRector.php)
```diff
class SomeClass
{
- public const NAME = 'value';
+ final public const NAME = 'value';
}
```
<br>
### FirstClassCallableRector
Upgrade array callable to first class callable
- class: [`Rector\Php81\Rector\Array_\FirstClassCallableRector`](../rules/Php81/Rector/Array_/FirstClassCallableRector.php)
```diff
final class SomeClass
{
public function run()
{
- $name = [$this, 'name'];
+ $name = $this->name(...);
}
public function name()
{
}
}
```
<br>
### IntersectionTypesRector
Change docs to intersection types, where possible (properties are covered by TypedPropertyRector (@todo))
- class: [`Rector\Php81\Rector\FunctionLike\IntersectionTypesRector`](../rules/Php81/Rector/FunctionLike/IntersectionTypesRector.php)
```diff
final class SomeClass
{
- /**
- * @param Foo&Bar $types
- */
- public function process($types)
+ public function process(Foo&Bar $types)
{
}
}
```
<br>
### MyCLabsClassToEnumRector
Refactor MyCLabs enum class to native Enum
- class: [`Rector\Php81\Rector\Class_\MyCLabsClassToEnumRector`](../rules/Php81/Rector/Class_/MyCLabsClassToEnumRector.php)
```diff
-use MyCLabs\Enum\Enum;
-
-final class Action extends Enum
+enum Action : string
{
- private const VIEW = 'view';
- private const EDIT = 'edit';
+ case VIEW = 'view';
+ case EDIT = 'edit';
}
```
<br>
### MyCLabsMethodCallToEnumConstRector
Refactor MyCLabs enum fetch to Enum const
- class: [`Rector\Php81\Rector\MethodCall\MyCLabsMethodCallToEnumConstRector`](../rules/Php81/Rector/MethodCall/MyCLabsMethodCallToEnumConstRector.php)
```diff
-$name = SomeEnum::VALUE()->getKey();
+$name = SomeEnum::VALUE;
```
<br>
### NewInInitializerRector
Replace property declaration of new state with direct new
- class: [`Rector\Php81\Rector\ClassMethod\NewInInitializerRector`](../rules/Php81/Rector/ClassMethod/NewInInitializerRector.php)
```diff
class SomeClass
{
- private Logger $logger;
-
public function __construct(
- ?Logger $logger = null,
+ private Logger $logger = new NullLogger,
) {
- $this->logger = $logger ?? new NullLogger;
}
}
```
<br>
### NullToStrictStringFuncCallArgRector
Change null to strict string defined function call args
- class: [`Rector\Php81\Rector\FuncCall\NullToStrictStringFuncCallArgRector`](../rules/Php81/Rector/FuncCall/NullToStrictStringFuncCallArgRector.php)
```diff
class SomeClass
{
public function run()
{
- preg_split("#a#", null);
+ preg_split("#a#", '');
}
}
```
<br>
### Php81ResourceReturnToObjectRector
Change `is_resource()` to instanceof Object
- class: [`Rector\Php81\Rector\FuncCall\Php81ResourceReturnToObjectRector`](../rules/Php81/Rector/FuncCall/Php81ResourceReturnToObjectRector.php)
```diff
class SomeClass
{
public function run()
{
$f = finfo_open();
- is_resource($f);
+ $f instanceof \finfo;
}
}
```
<br>
### ReadOnlyPropertyRector
Decorate read-only property with `readonly` attribute
- class: [`Rector\Php81\Rector\Property\ReadOnlyPropertyRector`](../rules/Php81/Rector/Property/ReadOnlyPropertyRector.php)
```diff
class SomeClass
{
public function __construct(
- private string $name
+ private readonly string $name
) {
}
public function getName()
{
return $this->name;
}
}
```
<br>
### SpatieEnumClassToEnumRector
Refactor Spatie enum class to native Enum
- class: [`Rector\Php81\Rector\Class_\SpatieEnumClassToEnumRector`](../rules/Php81/Rector/Class_/SpatieEnumClassToEnumRector.php)
```diff
-use \Spatie\Enum\Enum;
-
-/**
- * @method static self draft()
- * @method static self published()
- * @method static self archived()
- */
-class StatusEnum extends Enum
+enum StatusEnum : string
{
+ case DRAFT = 'draft';
+ case PUBLISHED = 'published';
+ case ARCHIVED = 'archived';
}
```
<br>
## Php82
### ReadOnlyClassRector
Decorate read-only class with `readonly` attribute
- class: [`Rector\Php82\Rector\Class_\ReadOnlyClassRector`](../rules/Php82/Rector/Class_/ReadOnlyClassRector.php)
```diff
-final class SomeClass
+final readonly class SomeClass
{
public function __construct(
- private readonly string $name
+ private string $name
) {
}
}
```
<br>
## Privatization
### ChangeGlobalVariablesToPropertiesRector
Change global `$variables` to private properties
- class: [`Rector\Privatization\Rector\Class_\ChangeGlobalVariablesToPropertiesRector`](../rules/Privatization/Rector/Class_/ChangeGlobalVariablesToPropertiesRector.php)
```diff
class SomeClass
{
+ private $variable;
public function go()
{
- global $variable;
- $variable = 5;
+ $this->variable = 5;
}
public function run()
{
- global $variable;
- var_dump($variable);
+ var_dump($this->variable);
}
}
```
<br>
### ChangeReadOnlyPropertyWithDefaultValueToConstantRector
Change property with read only status with default value to constant
- class: [`Rector\Privatization\Rector\Property\ChangeReadOnlyPropertyWithDefaultValueToConstantRector`](../rules/Privatization/Rector/Property/ChangeReadOnlyPropertyWithDefaultValueToConstantRector.php)
```diff
class SomeClass
{
/**
* @var string[]
*/
- private $magicMethods = [
+ private const MAGIC_METHODS = [
'__toString',
'__wakeup',
];
public function run()
{
- foreach ($this->magicMethods as $magicMethod) {
+ foreach (self::MAGIC_METHODS as $magicMethod) {
echo $magicMethod;
}
}
}
```
<br>
### ChangeReadOnlyVariableWithDefaultValueToConstantRector
Change variable with read only status with default value to constant
- class: [`Rector\Privatization\Rector\Class_\ChangeReadOnlyVariableWithDefaultValueToConstantRector`](../rules/Privatization/Rector/Class_/ChangeReadOnlyVariableWithDefaultValueToConstantRector.php)
```diff
class SomeClass
{
+ /**
+ * @var string[]
+ */
+ private const REPLACEMENTS = [
+ 'PHPUnit\Framework\TestCase\Notice' => 'expectNotice',
+ 'PHPUnit\Framework\TestCase\Deprecated' => 'expectDeprecation',
+ ];
+
public function run()
{
- $replacements = [
- 'PHPUnit\Framework\TestCase\Notice' => 'expectNotice',
- 'PHPUnit\Framework\TestCase\Deprecated' => 'expectDeprecation',
- ];
-
- foreach ($replacements as $class => $method) {
+ foreach (self::REPLACEMENTS as $class => $method) {
}
}
}
```
<br>
### FinalizeClassesWithoutChildrenRector
Finalize every class that has no children
- class: [`Rector\Privatization\Rector\Class_\FinalizeClassesWithoutChildrenRector`](../rules/Privatization/Rector/Class_/FinalizeClassesWithoutChildrenRector.php)
```diff
-class FirstClass
+final class FirstClass
{
}
class SecondClass
{
}
-class ThirdClass extends SecondClass
+final class ThirdClass extends SecondClass
{
}
```
<br>
### PrivatizeFinalClassMethodRector
Change protected class method to private if possible
- class: [`Rector\Privatization\Rector\ClassMethod\PrivatizeFinalClassMethodRector`](../rules/Privatization/Rector/ClassMethod/PrivatizeFinalClassMethodRector.php)
```diff
final class SomeClass
{
- protected function someMethod()
+ private function someMethod()
{
}
}
```
<br>
### PrivatizeFinalClassPropertyRector
Change property to private if possible
- class: [`Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector`](../rules/Privatization/Rector/Property/PrivatizeFinalClassPropertyRector.php)
```diff
final class SomeClass
{
- protected $value;
+ private $value;
}
```
<br>
### PrivatizeLocalGetterToPropertyRector
Privatize getter of local property to property
- class: [`Rector\Privatization\Rector\MethodCall\PrivatizeLocalGetterToPropertyRector`](../rules/Privatization/Rector/MethodCall/PrivatizeLocalGetterToPropertyRector.php)
```diff
class SomeClass
{
private $some;
public function run()
{
- return $this->getSome() + 5;
+ return $this->some + 5;
}
private function getSome()
{
return $this->some;
}
}
```
<br>
### ReplaceStringWithClassConstantRector
Replace string values in specific method call by constant of provided class
:wrench: **configure it!**
- class: [`Rector\Privatization\Rector\MethodCall\ReplaceStringWithClassConstantRector`](../rules/Privatization/Rector/MethodCall/ReplaceStringWithClassConstantRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Privatization\Rector\MethodCall\ReplaceStringWithClassConstantRector;
use Rector\Privatization\ValueObject\ReplaceStringWithClassConstant;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ReplaceStringWithClassConstantRector::class,
[new ReplaceStringWithClassConstant('SomeClass', 'call', 0, 'Placeholder', false)]
);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $this->call('name');
+ $this->call(Placeholder::NAME);
}
}
```
<br>
## Removing
### ArgumentRemoverRector
Removes defined arguments in defined methods and their calls.
:wrench: **configure it!**
- class: [`Rector\Removing\Rector\ClassMethod\ArgumentRemoverRector`](../rules/Removing/Rector/ClassMethod/ArgumentRemoverRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Removing\Rector\ClassMethod\ArgumentRemoverRector;
use Rector\Removing\ValueObject\ArgumentRemover;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ArgumentRemoverRector::class,
[new ArgumentRemover('ExampleClass', 'someMethod', 0, [true])]
);
};
```
↓
```diff
$someObject = new SomeClass;
-$someObject->someMethod(true);
+$someObject->someMethod();
```
<br>
### RemoveFuncCallArgRector
Remove argument by position by function name
:wrench: **configure it!**
- class: [`Rector\Removing\Rector\FuncCall\RemoveFuncCallArgRector`](../rules/Removing/Rector/FuncCall/RemoveFuncCallArgRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Removing\Rector\FuncCall\RemoveFuncCallArgRector;
use Rector\Removing\ValueObject\RemoveFuncCallArg;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveFuncCallArgRector::class, [new RemoveFuncCallArg('remove_last_arg', 1)]);
};
```
↓
```diff
-remove_last_arg(1, 2);
+remove_last_arg(1);
```
<br>
### RemoveInterfacesRector
Removes interfaces usage from class.
:wrench: **configure it!**
- class: [`Rector\Removing\Rector\Class_\RemoveInterfacesRector`](../rules/Removing/Rector/Class_/RemoveInterfacesRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Removing\Rector\Class_\RemoveInterfacesRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveInterfacesRector::class, ['SomeInterface']);
};
```
↓
```diff
-class SomeClass implements SomeInterface
+class SomeClass
{
}
```
<br>
### RemoveParentRector
Removes extends class by name
:wrench: **configure it!**
- class: [`Rector\Removing\Rector\Class_\RemoveParentRector`](../rules/Removing/Rector/Class_/RemoveParentRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Removing\Rector\Class_\RemoveParentRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveParentRector::class, ['SomeParentClass']);
};
```
↓
```diff
-final class SomeClass extends SomeParentClass
+final class SomeClass
{
}
```
<br>
### RemoveTraitUseRector
Remove specific traits from code
:wrench: **configure it!**
- class: [`Rector\Removing\Rector\Class_\RemoveTraitUseRector`](../rules/Removing/Rector/Class_/RemoveTraitUseRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Removing\Rector\Class_\RemoveTraitUseRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveTraitUseRector::class, ['TraitNameToRemove']);
};
```
↓
```diff
class SomeClass
{
- use SomeTrait;
}
```
<br>
## RemovingStatic
### LocallyCalledStaticMethodToNonStaticRector
Change static method and local-only calls to non-static
- class: [`Rector\RemovingStatic\Rector\ClassMethod\LocallyCalledStaticMethodToNonStaticRector`](../rules/RemovingStatic/Rector/ClassMethod/LocallyCalledStaticMethodToNonStaticRector.php)
```diff
class SomeClass
{
public function run()
{
- self::someStatic();
+ $this->someStatic();
}
- private static function someStatic()
+ private function someStatic()
{
}
}
```
<br>
## Renaming
### PseudoNamespaceToNamespaceRector
Replaces defined Pseudo_Namespaces by Namespace\Ones.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\FileWithoutNamespace\PseudoNamespaceToNamespaceRector`](../rules/Renaming/Rector/FileWithoutNamespace/PseudoNamespaceToNamespaceRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\FileWithoutNamespace\PseudoNamespaceToNamespaceRector;
use Rector\Renaming\ValueObject\PseudoNamespaceToNamespace;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
PseudoNamespaceToNamespaceRector::class,
[new PseudoNamespaceToNamespace('Some_', ['Some_Class_To_Keep'])]
);
};
```
↓
```diff
-/** @var Some_Chicken $someService */
-$someService = new Some_Chicken;
+/** @var Some\Chicken $someService */
+$someService = new Some\Chicken;
$someClassToKeep = new Some_Class_To_Keep;
```
<br>
### RenameAnnotationRector
Turns defined annotations above properties and methods to their new values.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\ClassMethod\RenameAnnotationRector`](../rules/Renaming/Rector/ClassMethod/RenameAnnotationRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\ClassMethod\RenameAnnotationRector;
use Rector\Renaming\ValueObject\RenameAnnotationByType;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
RenameAnnotationRector::class,
[new RenameAnnotationByType('PHPUnit\Framework\TestCase', 'test', 'scenario')]
);
};
```
↓
```diff
use PHPUnit\Framework\TestCase;
final class SomeTest extends TestCase
{
/**
- * @test
+ * @scenario
*/
public function someMethod()
{
}
}
```
<br>
### RenameClassConstFetchRector
Replaces defined class constants in their calls.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\ClassConstFetch\RenameClassConstFetchRector`](../rules/Renaming/Rector/ClassConstFetch/RenameClassConstFetchRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\ClassConstFetch\RenameClassConstFetchRector;
use Rector\Renaming\ValueObject\RenameClassAndConstFetch;
use Rector\Renaming\ValueObject\RenameClassConstFetch;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
RenameClassConstFetchRector::class,
[new RenameClassConstFetch('SomeClass', 'OLD_CONSTANT', 'NEW_CONSTANT'), new RenameClassAndConstFetch(
'SomeClass',
'OTHER_OLD_CONSTANT',
'DifferentClass',
'NEW_CONSTANT'
)]
);
};
```
↓
```diff
-$value = SomeClass::OLD_CONSTANT;
-$value = SomeClass::OTHER_OLD_CONSTANT;
+$value = SomeClass::NEW_CONSTANT;
+$value = DifferentClass::NEW_CONSTANT;
```
<br>
### RenameClassRector
Replaces defined classes by new ones.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\Name\RenameClassRector`](../rules/Renaming/Rector/Name/RenameClassRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\Name\RenameClassRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RenameClassRector::class, [
'App\SomeOldClass' => 'App\SomeNewClass',
]);
};
```
↓
```diff
namespace App;
-use SomeOldClass;
+use SomeNewClass;
-function someFunction(SomeOldClass $someOldClass): SomeOldClass
+function someFunction(SomeNewClass $someOldClass): SomeNewClass
{
- if ($someOldClass instanceof SomeOldClass) {
- return new SomeOldClass;
+ if ($someOldClass instanceof SomeNewClass) {
+ return new SomeNewClass;
}
}
```
<br>
### RenameConstantRector
Replace constant by new ones
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\ConstFetch\RenameConstantRector`](../rules/Renaming/Rector/ConstFetch/RenameConstantRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\ConstFetch\RenameConstantRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RenameConstantRector::class, [
'MYSQL_ASSOC' => 'MYSQLI_ASSOC',
'OLD_CONSTANT' => 'NEW_CONSTANT',
]);
};
```
↓
```diff
final class SomeClass
{
public function run()
{
- return MYSQL_ASSOC;
+ return MYSQLI_ASSOC;
}
}
```
<br>
### RenameFunctionRector
Turns defined function call new one.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\FuncCall\RenameFunctionRector`](../rules/Renaming/Rector/FuncCall/RenameFunctionRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\FuncCall\RenameFunctionRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RenameFunctionRector::class, [
'view' => 'Laravel\Templating\render',
]);
};
```
↓
```diff
-view("...", []);
+Laravel\Templating\render("...", []);
```
<br>
### RenameMethodRector
Turns method names to new ones.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\MethodCall\RenameMethodRector`](../rules/Renaming/Rector/MethodCall/RenameMethodRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\MethodCall\RenameMethodRector;
use Rector\Renaming\ValueObject\MethodCallRename;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
RenameMethodRector::class,
[new MethodCallRename('SomeExampleClass', 'oldMethod', 'newMethod')]
);
};
```
↓
```diff
$someObject = new SomeExampleClass;
-$someObject->oldMethod();
+$someObject->newMethod();
```
<br>
### RenameNamespaceRector
Replaces old namespace by new one.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\Namespace_\RenameNamespaceRector`](../rules/Renaming/Rector/Namespace_/RenameNamespaceRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\Namespace_\RenameNamespaceRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RenameNamespaceRector::class, [
'SomeOldNamespace' => 'SomeNewNamespace',
]);
};
```
↓
```diff
-$someObject = new SomeOldNamespace\SomeClass;
+$someObject = new SomeNewNamespace\SomeClass;
```
<br>
### RenamePropertyRector
Replaces defined old properties by new ones.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\PropertyFetch\RenamePropertyRector`](../rules/Renaming/Rector/PropertyFetch/RenamePropertyRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\PropertyFetch\RenamePropertyRector;
use Rector\Renaming\ValueObject\RenameProperty;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
RenamePropertyRector::class,
[new RenameProperty('SomeClass', 'someOldProperty', 'someNewProperty')]
);
};
```
↓
```diff
-$someObject->someOldProperty;
+$someObject->someNewProperty;
```
<br>
### RenameStaticMethodRector
Turns method names to new ones.
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\StaticCall\RenameStaticMethodRector`](../rules/Renaming/Rector/StaticCall/RenameStaticMethodRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\StaticCall\RenameStaticMethodRector;
use Rector\Renaming\ValueObject\RenameStaticMethod;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
RenameStaticMethodRector::class,
[new RenameStaticMethod('SomeClass', 'oldMethod', 'AnotherExampleClass', 'newStaticMethod')]
);
};
```
↓
```diff
-SomeClass::oldStaticMethod();
+AnotherExampleClass::newStaticMethod();
```
<br>
### RenameStringRector
Change string value
:wrench: **configure it!**
- class: [`Rector\Renaming\Rector\String_\RenameStringRector`](../rules/Renaming/Rector/String_/RenameStringRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\String_\RenameStringRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RenameStringRector::class, [
'ROLE_PREVIOUS_ADMIN' => 'IS_IMPERSONATOR',
]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- return 'ROLE_PREVIOUS_ADMIN';
+ return 'IS_IMPERSONATOR';
}
}
```
<br>
## Restoration
### MakeTypedPropertyNullableIfCheckedRector
Make typed property nullable if checked
- class: [`Rector\Restoration\Rector\Property\MakeTypedPropertyNullableIfCheckedRector`](../rules/Restoration/Rector/Property/MakeTypedPropertyNullableIfCheckedRector.php)
```diff
final class SomeClass
{
- private AnotherClass $anotherClass;
+ private ?AnotherClass $anotherClass = null;
public function run()
{
if ($this->anotherClass === null) {
$this->anotherClass = new AnotherClass;
}
}
}
```
<br>
### MissingClassConstantReferenceToStringRector
Convert missing class reference to string
- class: [`Rector\Restoration\Rector\ClassConstFetch\MissingClassConstantReferenceToStringRector`](../rules/Restoration/Rector/ClassConstFetch/MissingClassConstantReferenceToStringRector.php)
```diff
class SomeClass
{
public function run()
{
- return NonExistingClass::class;
+ return 'NonExistingClass';
}
}
```
<br>
### RemoveFinalFromEntityRector
Remove final from Doctrine entities
- class: [`Rector\Restoration\Rector\Class_\RemoveFinalFromEntityRector`](../rules/Restoration/Rector/Class_/RemoveFinalFromEntityRector.php)
```diff
use Doctrine\ORM\Mapping as ORM;
/**
* @ORM\Entity
*/
-final class SomeClass
+class SomeClass
{
}
```
<br>
### UpdateFileNameByClassNameFileSystemRector
Rename file to respect class name
- class: [`Rector\Restoration\Rector\ClassLike\UpdateFileNameByClassNameFileSystemRector`](../rules/Restoration/Rector/ClassLike/UpdateFileNameByClassNameFileSystemRector.php)
```diff
-// app/SomeClass.php
+// app/AnotherClass.php
class AnotherClass
{
}
```
<br>
## Strict
### BooleanInBooleanNotRuleFixerRector
Fixer for PHPStan reports by strict type rule - "PHPStan\Rules\BooleansInConditions\BooleanInBooleanNotRule"
:wrench: **configure it!**
- class: [`Rector\Strict\Rector\BooleanNot\BooleanInBooleanNotRuleFixerRector`](../rules/Strict/Rector/BooleanNot/BooleanInBooleanNotRuleFixerRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Strict\Rector\BooleanNot\BooleanInBooleanNotRuleFixerRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(BooleanInBooleanNotRuleFixerRector::class, [
BooleanInBooleanNotRuleFixerRector::TREAT_AS_NON_EMPTY => true,
]);
};
```
↓
```diff
class SomeClass
{
public function run(string|null $name)
{
- if (! $name) {
+ if ($name === null) {
return 'no name';
}
return 'name';
}
}
```
<br>
### BooleanInIfConditionRuleFixerRector
Fixer for PHPStan reports by strict type rule - "PHPStan\Rules\BooleansInConditions\BooleanInIfConditionRule"
:wrench: **configure it!**
- class: [`Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector`](../rules/Strict/Rector/If_/BooleanInIfConditionRuleFixerRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(BooleanInIfConditionRuleFixerRector::class, [
BooleanInIfConditionRuleFixerRector::TREAT_AS_NON_EMPTY => false,
]);
};
```
↓
```diff
final class NegatedString
{
public function run(string $name)
{
- if ($name) {
+ if ($name !== '') {
return 'name';
}
return 'no name';
}
}
```
<br>
### BooleanInTernaryOperatorRuleFixerRector
Fixer for PHPStan reports by strict type rule - "PHPStan\Rules\BooleansInConditions\BooleanInTernaryOperatorRule"
:wrench: **configure it!**
- class: [`Rector\Strict\Rector\Ternary\BooleanInTernaryOperatorRuleFixerRector`](../rules/Strict/Rector/Ternary/BooleanInTernaryOperatorRuleFixerRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Strict\Rector\Ternary\BooleanInTernaryOperatorRuleFixerRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(BooleanInTernaryOperatorRuleFixerRector::class, [
BooleanInTernaryOperatorRuleFixerRector::TREAT_AS_NON_EMPTY => false,
]);
};
```
↓
```diff
final class ArrayCompare
{
public function run(array $data)
{
- return $data ? 1 : 2;
+ return $data !== [] ? 1 : 2;
}
}
```
<br>
### DisallowedEmptyRuleFixerRector
Fixer for PHPStan reports by strict type rule - "PHPStan\Rules\DisallowedConstructs\DisallowedEmptyRule"
:wrench: **configure it!**
- class: [`Rector\Strict\Rector\Empty_\DisallowedEmptyRuleFixerRector`](../rules/Strict/Rector/Empty_/DisallowedEmptyRuleFixerRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Strict\Rector\Empty_\DisallowedEmptyRuleFixerRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(DisallowedEmptyRuleFixerRector::class, [
DisallowedEmptyRuleFixerRector::TREAT_AS_NON_EMPTY => false,
]);
};
```
↓
```diff
final class SomeEmptyArray
{
public function run(array $items)
{
- return empty($items);
+ return $items === [];
}
}
```
<br>
### DisallowedShortTernaryRuleFixerRector
Fixer for PHPStan reports by strict type rule - "PHPStan\Rules\DisallowedConstructs\DisallowedShortTernaryRule"
:wrench: **configure it!**
- class: [`Rector\Strict\Rector\Ternary\DisallowedShortTernaryRuleFixerRector`](../rules/Strict/Rector/Ternary/DisallowedShortTernaryRuleFixerRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Strict\Rector\Ternary\DisallowedShortTernaryRuleFixerRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(DisallowedShortTernaryRuleFixerRector::class, [
DisallowedShortTernaryRuleFixerRector::TREAT_AS_NON_EMPTY => false,
]);
};
```
↓
```diff
final class ShortTernaryArray
{
public function run(array $array)
{
- return $array ?: 2;
+ return $array !== [] ? $array : 2;
}
}
```
<br>
## Transform
### AddAllowDynamicPropertiesAttributeRector
Add the `AllowDynamicProperties` attribute to all classes
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Class_\AddAllowDynamicPropertiesAttributeRector`](../rules/Transform/Rector/Class_/AddAllowDynamicPropertiesAttributeRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Class_\AddAllowDynamicPropertiesAttributeRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(AddAllowDynamicPropertiesAttributeRector::class, ['Example\*']);
};
```
↓
```diff
namespace Example\Domain;
+#[AllowDynamicProperties]
class SomeObject {
public string $someProperty = 'hello world';
}
```
<br>
### AddInterfaceByTraitRector
Add interface by used trait
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Class_\AddInterfaceByTraitRector`](../rules/Transform/Rector/Class_/AddInterfaceByTraitRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Class_\AddInterfaceByTraitRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(AddInterfaceByTraitRector::class, [
'SomeTrait' => 'SomeInterface',
]);
};
```
↓
```diff
-class SomeClass
+class SomeClass implements SomeInterface
{
use SomeTrait;
}
```
<br>
### ArgumentFuncCallToMethodCallRector
Move help facade-like function calls to constructor injection
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\FuncCall\ArgumentFuncCallToMethodCallRector`](../rules/Transform/Rector/FuncCall/ArgumentFuncCallToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\FuncCall\ArgumentFuncCallToMethodCallRector;
use Rector\Transform\ValueObject\ArgumentFuncCallToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ArgumentFuncCallToMethodCallRector::class,
[new ArgumentFuncCallToMethodCall('view', 'Illuminate\Contracts\View\Factory', 'make')]
);
};
```
↓
```diff
class SomeController
{
+ /**
+ * @var \Illuminate\Contracts\View\Factory
+ */
+ private $viewFactory;
+
+ public function __construct(\Illuminate\Contracts\View\Factory $viewFactory)
+ {
+ $this->viewFactory = $viewFactory;
+ }
+
public function action()
{
- $template = view('template.blade');
- $viewFactory = view();
+ $template = $this->viewFactory->make('template.blade');
+ $viewFactory = $this->viewFactory;
}
}
```
<br>
### AttributeKeyToClassConstFetchRector
Replace key value on specific attribute to class constant
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Attribute\AttributeKeyToClassConstFetchRector`](../rules/Transform/Rector/Attribute/AttributeKeyToClassConstFetchRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Attribute\AttributeKeyToClassConstFetchRector;
use Rector\Transform\ValueObject\AttributeKeyToClassConstFetch;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
AttributeKeyToClassConstFetchRector::class,
[new AttributeKeyToClassConstFetch('Doctrine\ORM\Mapping\Column', 'type', 'Doctrine\DBAL\Types\Types', [
'STRING',
])]
);
};
```
↓
```diff
use Doctrine\ORM\Mapping\Column;
+use Doctrine\DBAL\Types\Types;
class SomeClass
{
- #[Column(type: "string")]
+ #[Column(type: Types::STRING)]
public $name;
}
```
<br>
### ChangeSingletonToServiceRector
Change singleton class to normal class that can be registered as a service
- class: [`Rector\Transform\Rector\Class_\ChangeSingletonToServiceRector`](../rules/Transform/Rector/Class_/ChangeSingletonToServiceRector.php)
```diff
class SomeClass
{
- private static $instance;
-
- private function __construct()
+ public function __construct()
{
- }
-
- public static function getInstance()
- {
- if (null === static::$instance) {
- static::$instance = new static();
- }
-
- return static::$instance;
}
}
```
<br>
### DimFetchAssignToMethodCallRector
Change magic array access add to `$list[],` to explicit `$list->addMethod(...)`
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Assign\DimFetchAssignToMethodCallRector`](../rules/Transform/Rector/Assign/DimFetchAssignToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Assign\DimFetchAssignToMethodCallRector;
use Rector\Transform\ValueObject\DimFetchAssignToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
DimFetchAssignToMethodCallRector::class,
[new DimFetchAssignToMethodCall(
'Nette\Application\Routers\RouteList',
'Nette\Application\Routers\Route',
'addRoute'
)]
);
};
```
↓
```diff
-use Nette\Application\Routers\Route;
use Nette\Application\Routers\RouteList;
class RouterFactory
{
public static function createRouter()
{
$routeList = new RouteList();
- $routeList[] = new Route('...');
+ $routeList->addRoute('...');
}
}
```
<br>
### FileGetContentsAndJsonDecodeToStaticCallRector
Merge 2 function calls to static call
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\FunctionLike\FileGetContentsAndJsonDecodeToStaticCallRector`](../rules/Transform/Rector/FunctionLike/FileGetContentsAndJsonDecodeToStaticCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\FunctionLike\FileGetContentsAndJsonDecodeToStaticCallRector;
use Rector\Transform\ValueObject\StaticCallRecipe;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
FileGetContentsAndJsonDecodeToStaticCallRector::class,
[new StaticCallRecipe('FileLoader', 'loadJson')]
);
};
```
↓
```diff
final class SomeClass
{
public function load($filePath)
{
- $fileGetContents = file_get_contents($filePath);
- return json_decode($fileGetContents, true);
+ return FileLoader::loadJson($filePath);
}
}
```
<br>
### FuncCallToConstFetchRector
Changes use of function calls to use constants
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\FuncCall\FuncCallToConstFetchRector`](../rules/Transform/Rector/FuncCall/FuncCallToConstFetchRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\FuncCall\FuncCallToConstFetchRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(FuncCallToConstFetchRector::class, [
'php_sapi_name' => 'PHP_SAPI',
]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $value = php_sapi_name();
+ $value = PHP_SAPI;
}
}
```
<br>
### FuncCallToMethodCallRector
Turns defined function calls to local method calls.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\FuncCall\FuncCallToMethodCallRector`](../rules/Transform/Rector/FuncCall/FuncCallToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\FuncCall\FuncCallToMethodCallRector;
use Rector\Transform\ValueObject\FuncCallToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
FuncCallToMethodCallRector::class,
[new FuncCallToMethodCall('view', 'Namespaced\SomeRenderer', 'render')]
);
};
```
↓
```diff
class SomeClass
{
+ /**
+ * @var \Namespaced\SomeRenderer
+ */
+ private $someRenderer;
+
+ public function __construct(\Namespaced\SomeRenderer $someRenderer)
+ {
+ $this->someRenderer = $someRenderer;
+ }
+
public function run()
{
- view('...');
+ $this->someRenderer->view('...');
}
}
```
<br>
### FuncCallToNewRector
Change configured function calls to new Instance
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\FuncCall\FuncCallToNewRector`](../rules/Transform/Rector/FuncCall/FuncCallToNewRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\FuncCall\FuncCallToNewRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(FuncCallToNewRector::class, [
'collection' => ['Collection'],
]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $array = collection([]);
+ $array = new \Collection([]);
}
}
```
<br>
### FuncCallToStaticCallRector
Turns defined function call to static method call.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\FuncCall\FuncCallToStaticCallRector`](../rules/Transform/Rector/FuncCall/FuncCallToStaticCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\FuncCall\FuncCallToStaticCallRector;
use Rector\Transform\ValueObject\FuncCallToStaticCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
FuncCallToStaticCallRector::class,
[new FuncCallToStaticCall('view', 'SomeStaticClass', 'render')]
);
};
```
↓
```diff
-view("...", []);
+SomeClass::render("...", []);
```
<br>
### GetAndSetToMethodCallRector
Turns defined `__get`/`__set` to specific method calls.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Assign\GetAndSetToMethodCallRector`](../rules/Transform/Rector/Assign/GetAndSetToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Assign\GetAndSetToMethodCallRector;
use Rector\Transform\ValueObject\GetAndSetToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
GetAndSetToMethodCallRector::class,
[new GetAndSetToMethodCall('SomeContainer', 'addService', 'getService')]
);
};
```
↓
```diff
$container = new SomeContainer;
-$container->someService = $someService;
+$container->setService("someService", $someService);
```
<br>
### MergeInterfacesRector
Merges old interface to a new one, that already has its methods
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Class_\MergeInterfacesRector`](../rules/Transform/Rector/Class_/MergeInterfacesRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Class_\MergeInterfacesRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(MergeInterfacesRector::class, [
'SomeOldInterface' => 'SomeInterface',
]);
};
```
↓
```diff
-class SomeClass implements SomeInterface, SomeOldInterface
+class SomeClass implements SomeInterface
{
}
```
<br>
### MethodCallToAnotherMethodCallWithArgumentsRector
Turns old method call with specific types to new one with arguments
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\MethodCall\MethodCallToAnotherMethodCallWithArgumentsRector`](../rules/Transform/Rector/MethodCall/MethodCallToAnotherMethodCallWithArgumentsRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\MethodCall\MethodCallToAnotherMethodCallWithArgumentsRector;
use Rector\Transform\ValueObject\MethodCallToAnotherMethodCallWithArguments;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
MethodCallToAnotherMethodCallWithArgumentsRector::class,
[new MethodCallToAnotherMethodCallWithArguments('Nette\DI\ServiceDefinition', 'setInject', 'addTag', [
'inject',
])]
);
};
```
↓
```diff
$serviceDefinition = new Nette\DI\ServiceDefinition;
-$serviceDefinition->setInject();
+$serviceDefinition->addTag('inject');
```
<br>
### MethodCallToMethodCallRector
Change method one method from one service to a method call to in another service
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\MethodCall\MethodCallToMethodCallRector`](../rules/Transform/Rector/MethodCall/MethodCallToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\MethodCall\MethodCallToMethodCallRector;
use Rector\Transform\ValueObject\MethodCallToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
MethodCallToMethodCallRector::class,
[new MethodCallToMethodCall('FirstDependency', 'go', 'SecondDependency', 'away')]
);
};
```
↓
```diff
class SomeClass
{
public function __construct(
- private FirstDependency $firstDependency
+ private SecondDependency $secondDependency
) {
}
public function run()
{
- $this->firstDependency->go();
+ $this->secondDependency->away();
}
}
```
<br>
### MethodCallToPropertyFetchRector
Turns method call `"$this->something()"` to property fetch "$this->something"
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\MethodCall\MethodCallToPropertyFetchRector`](../rules/Transform/Rector/MethodCall/MethodCallToPropertyFetchRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\MethodCall\MethodCallToPropertyFetchRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(MethodCallToPropertyFetchRector::class, [
'someMethod' => 'someProperty',
]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $this->someMethod();
+ $this->someProperty;
}
}
```
<br>
### MethodCallToStaticCallRector
Change method call to desired static call
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\MethodCall\MethodCallToStaticCallRector`](../rules/Transform/Rector/MethodCall/MethodCallToStaticCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\MethodCall\MethodCallToStaticCallRector;
use Rector\Transform\ValueObject\MethodCallToStaticCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
MethodCallToStaticCallRector::class,
[new MethodCallToStaticCall('AnotherDependency', 'process', 'StaticCaller', 'anotherMethod')]
);
};
```
↓
```diff
final class SomeClass
{
private $anotherDependency;
public function __construct(AnotherDependency $anotherDependency)
{
$this->anotherDependency = $anotherDependency;
}
public function loadConfiguration()
{
- return $this->anotherDependency->process('value');
+ return StaticCaller::anotherMethod('value');
}
}
```
<br>
### NewArgToMethodCallRector
Change new with specific argument to method call
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\New_\NewArgToMethodCallRector`](../rules/Transform/Rector/New_/NewArgToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\New_\NewArgToMethodCallRector;
use Rector\Transform\ValueObject\NewArgToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
NewArgToMethodCallRector::class,
[new NewArgToMethodCall('Dotenv', true, 'usePutenv')]
);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $dotenv = new Dotenv(true);
+ $dotenv = new Dotenv();
+ $dotenv->usePutenv();
}
}
```
<br>
### NewToConstructorInjectionRector
Change defined new type to constructor injection
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\New_\NewToConstructorInjectionRector`](../rules/Transform/Rector/New_/NewToConstructorInjectionRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\New_\NewToConstructorInjectionRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(NewToConstructorInjectionRector::class, ['Validator']);
};
```
↓
```diff
class SomeClass
{
+ /**
+ * @var Validator
+ */
+ private $validator;
+
+ public function __construct(Validator $validator)
+ {
+ $this->validator = $validator;
+ }
+
public function run()
{
- $validator = new Validator();
- $validator->validate(1000);
+ $this->validator->validate(1000);
}
}
```
<br>
### NewToMethodCallRector
Replaces creating object instances with "new" keyword with factory method.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\New_\NewToMethodCallRector`](../rules/Transform/Rector/New_/NewToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\New_\NewToMethodCallRector;
use Rector\Transform\ValueObject\NewToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
NewToMethodCallRector::class,
[new NewToMethodCall('MyClass', 'MyClassFactory', 'create')]
);
};
```
↓
```diff
class SomeClass
{
+ /**
+ * @var \MyClassFactory
+ */
+ private $myClassFactory;
+
public function example() {
- new MyClass($argument);
+ $this->myClassFactory->create($argument);
}
}
```
<br>
### NewToStaticCallRector
Change new Object to static call
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\New_\NewToStaticCallRector`](../rules/Transform/Rector/New_/NewToStaticCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\New_\NewToStaticCallRector;
use Rector\Transform\ValueObject\NewToStaticCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
NewToStaticCallRector::class,
[new NewToStaticCall('Cookie', 'Cookie', 'create')]
);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- new Cookie($name);
+ Cookie::create($name);
}
}
```
<br>
### ParentClassToTraitsRector
Replaces parent class to specific traits
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Class_\ParentClassToTraitsRector`](../rules/Transform/Rector/Class_/ParentClassToTraitsRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Class_\ParentClassToTraitsRector;
use Rector\Transform\ValueObject\ParentClassToTraits;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ParentClassToTraitsRector::class,
[new ParentClassToTraits('Nette\Object', ['Nette\SmartObject'])]
);
};
```
↓
```diff
-class SomeClass extends Nette\Object
+class SomeClass
{
+ use Nette\SmartObject;
}
```
<br>
### PropertyAssignToMethodCallRector
Turns property assign of specific type and property name to method call
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Assign\PropertyAssignToMethodCallRector`](../rules/Transform/Rector/Assign/PropertyAssignToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Assign\PropertyAssignToMethodCallRector;
use Rector\Transform\ValueObject\PropertyAssignToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
PropertyAssignToMethodCallRector::class,
[new PropertyAssignToMethodCall('SomeClass', 'oldProperty', 'newMethodCall')]
);
};
```
↓
```diff
$someObject = new SomeClass;
-$someObject->oldProperty = false;
+$someObject->newMethodCall(false);
```
<br>
### PropertyFetchToMethodCallRector
Replaces properties assign calls be defined methods.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Assign\PropertyFetchToMethodCallRector`](../rules/Transform/Rector/Assign/PropertyFetchToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Assign\PropertyFetchToMethodCallRector;
use Rector\Transform\ValueObject\PropertyFetchToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
PropertyFetchToMethodCallRector::class,
[new PropertyFetchToMethodCall(
'SomeObject',
'property',
'getProperty',
'setProperty',
[]
), new PropertyFetchToMethodCall(
'SomeObject',
'bareProperty',
'getConfig',
[
'someArg',
])]
);
};
```
↓
```diff
-$result = $object->property;
-$object->property = $value;
+$result = $object->getProperty();
+$object->setProperty($value);
-$bare = $object->bareProperty;
+$bare = $object->getConfig('someArg');
```
<br>
### RemoveAllowDynamicPropertiesAttributeRector
Remove the `AllowDynamicProperties` attribute from all classes
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Class_\RemoveAllowDynamicPropertiesAttributeRector`](../rules/Transform/Rector/Class_/RemoveAllowDynamicPropertiesAttributeRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Class_\RemoveAllowDynamicPropertiesAttributeRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(RemoveAllowDynamicPropertiesAttributeRector::class, ['Example\*']);
};
```
↓
```diff
namespace Example\Domain;
-#[AllowDynamicProperties]
class SomeObject {
public string $someProperty = 'hello world';
}
```
<br>
### ReplaceParentCallByPropertyCallRector
Changes method calls in child of specific types to defined property method call
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\MethodCall\ReplaceParentCallByPropertyCallRector`](../rules/Transform/Rector/MethodCall/ReplaceParentCallByPropertyCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\MethodCall\ReplaceParentCallByPropertyCallRector;
use Rector\Transform\ValueObject\ReplaceParentCallByPropertyCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ReplaceParentCallByPropertyCallRector::class,
[new ReplaceParentCallByPropertyCall('SomeTypeToReplace', 'someMethodCall', 'someProperty')]
);
};
```
↓
```diff
final class SomeClass
{
public function run(SomeTypeToReplace $someTypeToReplace)
{
- $someTypeToReplace->someMethodCall();
+ $this->someProperty->someMethodCall();
}
}
```
<br>
### ReturnTypeWillChangeRector
Add #[\ReturnTypeWillChange] attribute to configured instanceof class with methods
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\ClassMethod\ReturnTypeWillChangeRector`](../rules/Transform/Rector/ClassMethod/ReturnTypeWillChangeRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\ClassMethod\ReturnTypeWillChangeRector;
use Rector\Transform\ValueObject\ClassMethodReference;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ReturnTypeWillChangeRector::class,
[new ClassMethodReference('ArrayAccess', 'offsetGet')]
);
};
```
↓
```diff
class SomeClass implements ArrayAccess
{
+ #[\ReturnTypeWillChange]
public function offsetGet($offset)
{
}
}
```
<br>
### StaticCallToFuncCallRector
Turns static call to function call.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\StaticCall\StaticCallToFuncCallRector`](../rules/Transform/Rector/StaticCall/StaticCallToFuncCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\StaticCall\StaticCallToFuncCallRector;
use Rector\Transform\ValueObject\StaticCallToFuncCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
StaticCallToFuncCallRector::class,
[new StaticCallToFuncCall('OldClass', 'oldMethod', 'new_function')]
);
};
```
↓
```diff
-OldClass::oldMethod("args");
+new_function("args");
```
<br>
### StaticCallToMethodCallRector
Change static call to service method via constructor injection
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\StaticCall\StaticCallToMethodCallRector`](../rules/Transform/Rector/StaticCall/StaticCallToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\StaticCall\StaticCallToMethodCallRector;
use Rector\Transform\ValueObject\StaticCallToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
StaticCallToMethodCallRector::class,
[new StaticCallToMethodCall('Nette\Utils\FileSystem', 'write', 'App\Custom\SmartFileSystem', 'dumpFile')]
);
};
```
↓
```diff
-use Nette\Utils\FileSystem;
+use App\Custom\SmartFileSystem;
class SomeClass
{
+ /**
+ * @var SmartFileSystem
+ */
+ private $smartFileSystem;
+
+ public function __construct(SmartFileSystem $smartFileSystem)
+ {
+ $this->smartFileSystem = $smartFileSystem;
+ }
+
public function run()
{
- return FileSystem::write('file', 'content');
+ return $this->smartFileSystem->dumpFile('file', 'content');
}
}
```
<br>
### StaticCallToNewRector
Change static call to new instance
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\StaticCall\StaticCallToNewRector`](../rules/Transform/Rector/StaticCall/StaticCallToNewRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\StaticCall\StaticCallToNewRector;
use Rector\Transform\ValueObject\StaticCallToNew;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(StaticCallToNewRector::class, [new StaticCallToNew('JsonResponse', 'create')]);
};
```
↓
```diff
class SomeClass
{
public function run()
{
- $dotenv = JsonResponse::create(['foo' => 'bar'], Response::HTTP_OK);
+ $dotenv = new JsonResponse(['foo' => 'bar'], Response::HTTP_OK);
}
}
```
<br>
### StringToClassConstantRector
Changes strings to specific constants
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\String_\StringToClassConstantRector`](../rules/Transform/Rector/String_/StringToClassConstantRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\String_\StringToClassConstantRector;
use Rector\Transform\ValueObject\StringToClassConstant;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
StringToClassConstantRector::class,
[new StringToClassConstant('compiler.post_dump', 'Yet\AnotherClass', 'CONSTANT')]
);
};
```
↓
```diff
final class SomeSubscriber
{
public static function getSubscribedEvents()
{
- return ['compiler.post_dump' => 'compile'];
+ return [\Yet\AnotherClass::CONSTANT => 'compile'];
}
}
```
<br>
### ToStringToMethodCallRector
Turns defined code uses of `"__toString()"` method to specific method calls.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\String_\ToStringToMethodCallRector`](../rules/Transform/Rector/String_/ToStringToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\String_\ToStringToMethodCallRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(ToStringToMethodCallRector::class, [
'SomeObject' => 'getPath',
]);
};
```
↓
```diff
$someValue = new SomeObject;
-$result = (string) $someValue;
-$result = $someValue->__toString();
+$result = $someValue->getPath();
+$result = $someValue->getPath();
```
<br>
### UnsetAndIssetToMethodCallRector
Turns defined `__isset`/`__unset` calls to specific method calls.
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\Isset_\UnsetAndIssetToMethodCallRector`](../rules/Transform/Rector/Isset_/UnsetAndIssetToMethodCallRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\Isset_\UnsetAndIssetToMethodCallRector;
use Rector\Transform\ValueObject\UnsetAndIssetToMethodCall;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
UnsetAndIssetToMethodCallRector::class,
[new UnsetAndIssetToMethodCall('SomeContainer', 'hasService', 'removeService')]
);
};
```
↓
```diff
$container = new SomeContainer;
-isset($container["someKey"]);
-unset($container["someKey"]);
+$container->hasService("someKey");
+$container->removeService("someKey");
```
<br>
### WrapReturnRector
Wrap return value of specific method
:wrench: **configure it!**
- class: [`Rector\Transform\Rector\ClassMethod\WrapReturnRector`](../rules/Transform/Rector/ClassMethod/WrapReturnRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Transform\Rector\ClassMethod\WrapReturnRector;
use Rector\Transform\ValueObject\WrapReturn;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(WrapReturnRector::class, [new WrapReturn('SomeClass', 'getItem', true)]);
};
```
↓
```diff
final class SomeClass
{
public function getItem()
{
- return 1;
+ return [1];
}
}
```
<br>
## TypeDeclaration
### AddArrayParamDocTypeRector
Adds `@param` annotation to array parameters inferred from the rest of the code
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddArrayParamDocTypeRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddArrayParamDocTypeRector.php)
```diff
class SomeClass
{
/**
* @var int[]
*/
private $values;
+ /**
+ * @param int[] $values
+ */
public function __construct(array $values)
{
$this->values = $values;
}
}
```
<br>
### AddArrayReturnDocTypeRector
Adds `@return` annotation to array parameters inferred from the rest of the code
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddArrayReturnDocTypeRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddArrayReturnDocTypeRector.php)
```diff
class SomeClass
{
/**
* @var int[]
*/
private $values;
+ /**
+ * @return int[]
+ */
public function getValues(): array
{
return $this->values;
}
}
```
<br>
### AddClosureReturnTypeRector
Add known return type to functions
- class: [`Rector\TypeDeclaration\Rector\Closure\AddClosureReturnTypeRector`](../rules/TypeDeclaration/Rector/Closure/AddClosureReturnTypeRector.php)
```diff
class SomeClass
{
public function run($meetups)
{
- return array_filter($meetups, function (Meetup $meetup) {
+ return array_filter($meetups, function (Meetup $meetup): bool {
return is_object($meetup);
});
}
}
```
<br>
### AddMethodCallBasedStrictParamTypeRector
Change private method param type to strict type, based on passed strict types
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddMethodCallBasedStrictParamTypeRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddMethodCallBasedStrictParamTypeRector.php)
```diff
final class SomeClass
{
public function run(int $value)
{
$this->resolve($value);
}
- private function resolve($value)
+ private function resolve(int $value)
{
}
}
```
<br>
### AddParamTypeDeclarationRector
Add param types where needed
:wrench: **configure it!**
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddParamTypeDeclarationRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector.php)
```php
use PHPStan\Type\StringType;
use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\ClassMethod\AddParamTypeDeclarationRector;
use Rector\TypeDeclaration\ValueObject\AddParamTypeDeclaration;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
AddParamTypeDeclarationRector::class,
[new AddParamTypeDeclaration('SomeClass', 'process', 0, new StringType())]
);
};
```
↓
```diff
class SomeClass
{
- public function process($name)
+ public function process(string $name)
{
}
}
```
<br>
### AddPropertyTypeDeclarationRector
Add type to property by added rules, mostly public/property by parent type
:wrench: **configure it!**
- class: [`Rector\TypeDeclaration\Rector\Property\AddPropertyTypeDeclarationRector`](../rules/TypeDeclaration/Rector/Property/AddPropertyTypeDeclarationRector.php)
```php
use PHPStan\Type\StringType;
use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\Property\AddPropertyTypeDeclarationRector;
use Rector\TypeDeclaration\ValueObject\AddPropertyTypeDeclaration;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
AddPropertyTypeDeclarationRector::class,
[new AddPropertyTypeDeclaration('ParentClass', 'name', new StringType())]
);
};
```
↓
```diff
class SomeClass extends ParentClass
{
- public $name;
+ public string $name;
}
```
<br>
### AddReturnTypeDeclarationBasedOnParentClassMethodRector
Add missing return type declaration based on parent class method
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddReturnTypeDeclarationBasedOnParentClassMethodRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddReturnTypeDeclarationBasedOnParentClassMethodRector.php)
```diff
class A
{
public function execute(): int
{
}
}
class B extends A{
- public function execute()
+ public function execute(): int
{
}
}
```
<br>
### AddReturnTypeDeclarationRector
Changes defined return typehint of method and class.
:wrench: **configure it!**
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddReturnTypeDeclarationRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddReturnTypeDeclarationRector.php)
```php
use PHPStan\Type\ArrayType;
use PHPStan\Type\MixedType;
use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\ClassMethod\AddReturnTypeDeclarationRector;
use Rector\TypeDeclaration\ValueObject\AddReturnTypeDeclaration;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
AddReturnTypeDeclarationRector::class,
[new AddReturnTypeDeclaration('SomeClass', 'getData', new ArrayType(new MixedType(), new MixedType()))]
);
};
```
↓
```diff
class SomeClass
{
- public function getData()
+ public function getData(): array
{
}
}
```
<br>
### AddVoidReturnTypeWhereNoReturnRector
Add return type void to function like without any return
:wrench: **configure it!**
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\AddVoidReturnTypeWhereNoReturnRector`](../rules/TypeDeclaration/Rector/ClassMethod/AddVoidReturnTypeWhereNoReturnRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\ClassMethod\AddVoidReturnTypeWhereNoReturnRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(AddVoidReturnTypeWhereNoReturnRector::class, [
AddVoidReturnTypeWhereNoReturnRector::USE_PHPDOC => false,
]);
};
```
↓
```diff
final class SomeClass
{
- public function getValues()
+ public function getValues(): void
{
$value = 1000;
return;
}
}
```
<br>
### ArrayShapeFromConstantArrayReturnRector
Add array shape exact types based on constant keys of array
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ArrayShapeFromConstantArrayReturnRector`](../rules/TypeDeclaration/Rector/ClassMethod/ArrayShapeFromConstantArrayReturnRector.php)
```diff
final class SomeClass
{
+ /**
+ * @return array{name: string}
+ */
public function run(string $name)
{
return ['name' => $name];
}
}
```
<br>
### ParamAnnotationIncorrectNullableRector
Add or remove null type from `@param` phpdoc typehint based on php parameter type declaration
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ParamAnnotationIncorrectNullableRector`](../rules/TypeDeclaration/Rector/ClassMethod/ParamAnnotationIncorrectNullableRector.php)
```diff
final class SomeClass
{
/**
- * @param \DateTime[] $dateTimes
+ * @param \DateTime[]|null $dateTimes
*/
public function setDateTimes(?array $dateTimes): self
{
$this->dateTimes = $dateTimes;
return $this;
}
}
```
<br>
### ParamTypeByMethodCallTypeRector
Change param type based on passed method call type
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ParamTypeByMethodCallTypeRector`](../rules/TypeDeclaration/Rector/ClassMethod/ParamTypeByMethodCallTypeRector.php)
```diff
class SomeTypedService
{
public function run(string $name)
{
}
}
final class UseDependency
{
public function __construct(
private SomeTypedService $someTypedService
) {
}
- public function go($value)
+ public function go(string $value)
{
$this->someTypedService->run($value);
}
}
```
<br>
### ParamTypeByParentCallTypeRector
Change param type based on parent param type
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ParamTypeByParentCallTypeRector`](../rules/TypeDeclaration/Rector/ClassMethod/ParamTypeByParentCallTypeRector.php)
```diff
class SomeControl
{
public function __construct(string $name)
{
}
}
class VideoControl extends SomeControl
{
- public function __construct($name)
+ public function __construct(string $name)
{
parent::__construct($name);
}
}
```
<br>
### ParamTypeDeclarationRector
Change `@param` types to type declarations if not a BC-break
- class: [`Rector\TypeDeclaration\Rector\FunctionLike\ParamTypeDeclarationRector`](../rules/TypeDeclaration/Rector/FunctionLike/ParamTypeDeclarationRector.php)
```diff
abstract class VendorParentClass
{
/**
* @param int $number
*/
public function keep($number)
{
}
}
final class ChildClass extends VendorParentClass
{
/**
* @param int $number
*/
public function keep($number)
{
}
- /**
- * @param int $number
- */
- public function change($number)
+ public function change(int $number)
{
}
}
```
<br>
### ParamTypeFromStrictTypedPropertyRector
Add param type from `$param` set to typed property
- class: [`Rector\TypeDeclaration\Rector\Param\ParamTypeFromStrictTypedPropertyRector`](../rules/TypeDeclaration/Rector/Param/ParamTypeFromStrictTypedPropertyRector.php)
```diff
final class SomeClass
{
private int $age;
- public function setAge($age)
+ public function setAge(int $age)
{
$this->age = $age;
}
}
```
<br>
### PropertyTypeDeclarationRector
Add `@var` to properties that are missing it
- class: [`Rector\TypeDeclaration\Rector\Property\PropertyTypeDeclarationRector`](../rules/TypeDeclaration/Rector/Property/PropertyTypeDeclarationRector.php)
```diff
class SomeClass
{
+ /**
+ * @var int
+ */
private $value;
public function run()
{
$this->value = 123;
}
}
```
<br>
### ReturnAnnotationIncorrectNullableRector
Add or remove null type from `@return` phpdoc typehint based on php return type declaration
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnAnnotationIncorrectNullableRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnAnnotationIncorrectNullableRector.php)
```diff
final class SomeClass
{
/**
- * @return \DateTime[]
+ * @return \DateTime[]|null
*/
public function getDateTimes(): ?array
{
return $this->dateTimes;
}
}
```
<br>
### ReturnNeverTypeRector
Add "never" return-type for methods that never return anything
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnNeverTypeRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnNeverTypeRector.php)
```diff
final class SomeClass
{
+ /**
+ * @return never
+ */
public function run()
{
throw new InvalidException();
}
}
```
<br>
### ReturnTypeDeclarationRector
Change `@return` types and type from static analysis to type declarations if not a BC-break
- class: [`Rector\TypeDeclaration\Rector\FunctionLike\ReturnTypeDeclarationRector`](../rules/TypeDeclaration/Rector/FunctionLike/ReturnTypeDeclarationRector.php)
```diff
class SomeClass
{
- /**
- * @return int
- */
- public function getCount()
+ public function getCount(): int
{
}
}
```
<br>
### ReturnTypeFromReturnNewRector
Add return type to function like with return new
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromReturnNewRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromReturnNewRector.php)
```diff
final class SomeClass
{
- public function action()
+ public function action(): Response
{
return new Response();
}
}
```
<br>
### ReturnTypeFromStrictBoolReturnExprRector
Add strict return type based on returned strict expr type
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictBoolReturnExprRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictBoolReturnExprRector.php)
```diff
final class SomeClass
{
- public function run()
+ public function run(): bool
{
return $this->first() && $this->somethingElse();
}
}
```
<br>
### ReturnTypeFromStrictNativeCallRector
Add strict return type based native function or class method return
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictNativeCallRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictNativeCallRector.php)
```diff
final class SomeClass
{
- public function run()
+ public function run(): int
{
return strlen('value');
}
}
```
<br>
### ReturnTypeFromStrictNewArrayRector
Add strict return array type based on created empty array and returned
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictNewArrayRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictNewArrayRector.php)
```diff
final class SomeClass
{
- public function run()
+ public function run(): array
{
$values = [];
return $values;
}
}
```
<br>
### ReturnTypeFromStrictTypedPropertyRector
Add return method return type based on strict typed property
- class: [`Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictTypedPropertyRector`](../rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictTypedPropertyRector.php)
```diff
final class SomeClass
{
private int $age = 100;
- public function getAge()
+ public function getAge(): int
{
return $this->age;
}
}
```
<br>
### TypedPropertyFromAssignsRector
Add typed property from assigned types
:wrench: **configure it!**
- class: [`Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector`](../rules/TypeDeclaration/Rector/Property/TypedPropertyFromAssignsRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(TypedPropertyFromAssignsRector::class, [
TypedPropertyFromAssignsRector::INLINE_PUBLIC => false,
]);
};
```
↓
```diff
final class SomeClass
{
- private $name;
+ private string|null $name = null;
public function run()
{
$this->name = 'string';
}
}
```
<br>
### TypedPropertyFromStrictConstructorRector
Add typed properties based only on strict constructor types
- class: [`Rector\TypeDeclaration\Rector\Property\TypedPropertyFromStrictConstructorRector`](../rules/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector.php)
```diff
class SomeObject
{
- private $name;
+ private string $name;
public function __construct(string $name)
{
$this->name = $name;
}
}
```
<br>
### TypedPropertyFromStrictGetterMethodReturnTypeRector
Complete property type based on getter strict types
- class: [`Rector\TypeDeclaration\Rector\Property\TypedPropertyFromStrictGetterMethodReturnTypeRector`](../rules/TypeDeclaration/Rector/Property/TypedPropertyFromStrictGetterMethodReturnTypeRector.php)
```diff
final class SomeClass
{
- public $name;
+ public ?string $name = null;
public function getName(): string|null
{
return $this->name;
}
}
```
<br>
### TypedPropertyFromStrictSetUpRector
Add strict typed property based on `setUp()` strict typed assigns in TestCase
- class: [`Rector\TypeDeclaration\Rector\Property\TypedPropertyFromStrictSetUpRector`](../rules/TypeDeclaration/Rector/Property/TypedPropertyFromStrictSetUpRector.php)
```diff
use PHPUnit\Framework\TestCase;
final class SomeClass extends TestCase
{
- private $value;
+ private int $value;
public function setUp()
{
$this->value = 1000;
}
}
```
<br>
### VarAnnotationIncorrectNullableRector
Add or remove null type from `@var` phpdoc typehint based on php property type declaration
- class: [`Rector\TypeDeclaration\Rector\Property\VarAnnotationIncorrectNullableRector`](../rules/TypeDeclaration/Rector/Property/VarAnnotationIncorrectNullableRector.php)
```diff
final class SomeClass
{
/**
- * @var DateTime[]
+ * @var DateTime[]|null
*/
private ?array $dateTimes;
}
```
<br>
## Visibility
### ChangeConstantVisibilityRector
Change visibility of constant from parent class.
:wrench: **configure it!**
- class: [`Rector\Visibility\Rector\ClassConst\ChangeConstantVisibilityRector`](../rules/Visibility/Rector/ClassConst/ChangeConstantVisibilityRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Visibility\Rector\ClassConst\ChangeConstantVisibilityRector;
use Rector\Visibility\ValueObject\ChangeConstantVisibility;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ChangeConstantVisibilityRector::class,
[new ChangeConstantVisibility('ParentObject', 'SOME_CONSTANT', 2)]
);
};
```
↓
```diff
class FrameworkClass
{
protected const SOME_CONSTANT = 1;
}
class MyClass extends FrameworkClass
{
- public const SOME_CONSTANT = 1;
+ protected const SOME_CONSTANT = 1;
}
```
<br>
### ChangeMethodVisibilityRector
Change visibility of method from parent class.
:wrench: **configure it!**
- class: [`Rector\Visibility\Rector\ClassMethod\ChangeMethodVisibilityRector`](../rules/Visibility/Rector/ClassMethod/ChangeMethodVisibilityRector.php)
```php
use Rector\Config\RectorConfig;
use Rector\Visibility\Rector\ClassMethod\ChangeMethodVisibilityRector;
use Rector\Visibility\ValueObject\ChangeMethodVisibility;
return static function (RectorConfig $rectorConfig): void {
$rectorConfig->ruleWithConfiguration(
ChangeMethodVisibilityRector::class,
[new ChangeMethodVisibility('FrameworkClass', 'someMethod', 2)]
);
};
```
↓
```diff
class FrameworkClass
{
protected function someMethod()
{
}
}
class MyClass extends FrameworkClass
{
- public function someMethod()
+ protected function someMethod()
{
}
}
```
<br>
### ExplicitPublicClassMethodRector
Add explicit public method visibility.
- class: [`Rector\Visibility\Rector\ClassMethod\ExplicitPublicClassMethodRector`](../rules/Visibility/Rector/ClassMethod/ExplicitPublicClassMethodRector.php)
```diff
class SomeClass
{
- function foo()
+ public function foo()
{
}
}
```
<br>
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