Current File : /home/vacivi36/ava/backup/util/helper/backup_array_iterator.class.php
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package moodlecore
* @subpackage backup-helper
* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Implementation of iterator interface to work with common arrays
*
* This class implements the iterator interface in order to provide one
* common API to be used in backup and restore when, within the same code,
* both database recordsets (already iteratorors) and arrays of information
* are used.
*
* TODO: Finish phpdocs
*/
class backup_array_iterator implements iterator {
private $arr;
public function __construct(array $arr) {
$this->arr = $arr;
}
public function rewind(): void {
reset($this->arr);
}
#[\ReturnTypeWillChange]
public function current() {
return current($this->arr);
}
#[\ReturnTypeWillChange]
public function key() {
return key($this->arr);
}
public function next(): void {
next($this->arr);
}
public function valid(): bool {
return key($this->arr) !== null;
}
public function close() { // Added to provide compatibility with recordset iterators
reset($this->arr); // Just reset the array
}
}
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