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<?php /** * Excel 2007-2013 Reader Class * * Based on SimpleXLSX v0.7.13 by Sergey Schuchkin. * @link https://github.com/shuchkin/simplexlsx/ * * @package TablePress * @subpackage Import * @author Sergey Schuchkin, Tobias Bäthge * @since 1.1.0 */ // Prohibit direct script loading. defined( 'ABSPATH' ) || die( 'No direct script access allowed!' ); /** * PHP Excel 2007-2013 Reader Class * @package TablePress * @subpackage Import * @author Sergey Schuchkin, Tobias Bäthge * @since 1.1.0 */ class SimpleXLSX { /** * XML Schema URLs. */ const SCHEMA_REL_OFFICEDOCUMENT = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument'; const SCHEMA_REL_SHAREDSTRINGS = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings'; const SCHEMA_REL_WORKSHEET = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet'; const SCHEMA_REL_STYLES = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles'; /** * [$workbook description] * * @since 1.1.0 * @var [type] */ protected $workbook; /** * [$sheets description] * * @since 1.1.0 * @var array */ protected $sheets = array(); /** * [$sheetNames description] * * @since 1.9.1 * @var array */ protected $sheetNames = array(); /** * [$styles description] * * @since 1.1.0 * @var array */ protected $styles = array(); /** * [$hyperlinks description] * * @since 1.1.0 * @var [type] */ protected $hyperlinks; /** * [$package description] * * @since 1.1.0 * @var array */ protected $package = array( 'filename' => '', 'mtime' => 0, 'size' => 0, 'comment' => '', 'entries' => array(), ); /** * [$sharedstrings description] * * @since 1.1.0 * @var array */ protected $sharedstrings = array(); /** * [$error description] * * @since 1.1.0 * @var string */ protected $error = ''; /** * [$workbook_cell_formats description] * * @since 1.1.0 * @var array */ public $workbook_cell_formats = array(); /** * [$built_in_cell_formats description] * * @since 1.1.0 * @var array */ public static $built_in_cell_formats = array( 0 => 'General', 1 => '0', 2 => '0.00', 3 => '#,##0', 4 => '#,##0.00', 9 => '0%', 10 => '0.00%', 11 => '0.00E+00', 12 => '# ?/?', 13 => '# ??/??', 14 => 'mm-dd-yy', 15 => 'd-mmm-yy', 16 => 'd-mmm', 17 => 'mmm-yy', 18 => 'h:mm AM/PM', 19 => 'h:mm:ss AM/PM', 20 => 'h:mm', 21 => 'h:mm:ss', 22 => 'm/d/yy h:mm', 37 => '#,##0 ;(#,##0)', 38 => '#,##0 ;[Red](#,##0)', 39 => '#,##0.00;(#,##0.00)', 40 => '#,##0.00;[Red](#,##0.00)', 44 => '_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)', 45 => 'mm:ss', 46 => '[h]:mm:ss', 47 => 'mmss.0', 48 => '##0.0E+0', 49 => '@', 27 => '[$-404]e/m/d', 30 => 'm/d/yy', 36 => '[$-404]e/m/d', 50 => '[$-404]e/m/d', 57 => '[$-404]e/m/d', 59 => 't0', 60 => 't0.00', 61 => 't#,##0', 62 => 't#,##0.00', 67 => 't0%', 68 => 't0.00%', 69 => 't# ?/?', 70 => 't# ??/??', ); /** * [$datetime_format description] * * @since 1.8.1 * @var string */ public $datetime_format = 'Y-m-d H:i:s'; /** * Constructor. * * @since 1.1.0 * * @param string $filename [description] * @param bool $is_data Optional. [description] */ public function __construct( $filename, $is_data = false ) { $this->datetime_format = get_option( 'date_format' ); if ( $this->_unzip( $filename, $is_data ) ) { $this->_parse(); } } /** * [sheets description] * * @since 1.1.0 * * @return [type] [description] */ public function sheets() { return $this->sheets; } /** * [sheetsCount description] * * @since 1.1.0 * * @return int Number of sheets. */ public function sheetsCount() { return count( $this->sheets ); } /** * [sheetName description] * * @since 1.1.0 * * @param [type] $worksheet_index [description] * @return string|bool [description] */ public function sheetName( $worksheet_index ) { if ( isset( $this->sheetNames[ $worksheet_index ] ) ) { return $this->sheetNames[ $worksheet_index ]; } return false; } /** * [sheetNames description] * * @since 1.1.0 * * @return array [description] */ public function sheetNames() { return $this->sheetNames; } /** * [worksheet description] * * @since 1.1.0 * * @param [type] $worksheet_index [description]. Optional. * @return [type] [description] */ public function worksheet( $worksheet_index = 0 ) { if ( isset( $this->sheets[ $worksheet_index ] ) ) { $ws = $this->sheets[ $worksheet_index ]; if ( isset( $ws->hyperlinks ) ) { $this->hyperlinks = array(); foreach ( $ws->hyperlinks->hyperlink as $hyperlink ) { $this->hyperlinks[ (string) $hyperlink['ref'] ] = (string) $hyperlink['display']; } } return $ws; } $this->error( 'Worksheet ' . $worksheet_index . ' not found.' ); return false; } /** * [dimension description] * * "Don't trust ->dimension(), so xlsx generators very lazy and don't publish a dimension attribute." * * @since 1.1.0 * * @param int $worksheet_index Optional. [description] * @return array|false [description] */ public function dimension( $worksheet_index = 0 ) { if ( false === ( $ws = $this->worksheet( $worksheet_index ) ) ) { return false; } $ref = (string) $ws->dimension['ref']; if ( false !== strpos( $ref, ':' ) ) { $d = explode( ':', $ref ); $index = $this->_columnIndex( $d[1] ); return array( $index[0] + 1, $index[1] + 1 ); } if ( '' !== $ref ) { $index = $this->_columnIndex( $ref ); return array( $index[0] + 1, $index[1] + 1 ); } return array( 0, 0 ); } /** * [rows description] * * Sheets numeration: 1, 2, 3, ... * * @since 1.1.0 * * @param int $worksheet_index Optional. [description] * @return array|bool [description] */ public function rows( $worksheet_index = 0 ) { if ( false === ( $ws = $this->worksheet( $worksheet_index ) ) ) { return false; } $rows = array(); $current_row = 0; list( $cols, ) = $this->dimension( $worksheet_index ); foreach ( $ws->sheetData->row as $row ) { $rows[ $current_row ] = array(); foreach ( $row->c as $c ) { list( $current_cell, ) = $this->_columnIndex( (string) $c['r'] ); $rows[ $current_row ][ $current_cell ] = $this->value( $c ); } for ( $i = 0; $i < $cols; $i++ ) { if ( ! isset( $rows[ $current_row ][ $i ] ) ) { $rows[ $current_row ][ $i ] = ''; } } ksort( $rows[ $current_row ] ); $current_row++; } return $rows; } /** * [rowsEx description] * * @since 1.1.0 * * @param int $worksheet_index Optional. [description] * @return array|bool [description] */ public function rowsEx( $worksheet_index = 0 ) { if ( false === ( $ws = $this->worksheet( $worksheet_index ) ) ) { return false; } $rows = array(); $current_row = 0; list( $cols, ) = $this->dimension( $worksheet_index ); foreach ( $ws->sheetData->row as $row ) { $r_idx = (int) $row['r']; foreach ( $row->c as $c ) { $r = (string) $c['r']; $t = (string) $c['t']; $s = (int) $c['s']; list( $current_cell, ) = $this->_columnIndex( $r ); if ( $s > 0 && isset( $this->workbook_cell_formats[ $s ] ) ) { $format = $this->workbook_cell_formats[ $s ]['format']; if ( false !== strpos( $format, 'm' ) ) { $t = 'd'; } } else { $format = ''; } $rows[ $current_row ][ $current_cell ] = array( 'type' => $t, 'name' => $r, 'value' => $this->value( $c, $format ), 'href' => $this->href( $c ), 'f' => (string) $c->f, 'format' => $format, 'r' => $r_idx, ); } for ( $i = 0; $i < $cols; $i++ ) { if ( ! isset( $rows[ $current_row ][ $i ] ) ) { for ( $c = '', $j = $i; $j >= 0; $j = (int) ( $j / 26 ) - 1 ) { $c = chr( $j % 26 + 65 ) . $c; } $rows[ $current_row ][ $i ] = array( 'type' => '', // 'name' => chr( $i + 65 ) . ( $current_row + 1 ), 'name' => $c . ( $current_row + 1 ), 'value' => '', 'href' => '', 'f' => '', 'format' => '', 'r' => $r_idx, ); } } ksort( $rows[ $current_row ] ); $current_row++; } return $rows; } /** * [_columnIndex description] * * @since 1.1.0 * * @param string $cell Optional. [description] * @return array [description] */ protected function _columnIndex( $cell = 'A1' ) { if ( preg_match( '/([A-Z]+)(\d+)/', $cell, $m ) ) { list( , $col, $row ) = $m; $colLen = strlen( $col ); $index = 0; for ( $i = $colLen - 1; $i >= 0; $i-- ) { $index += ( ord( $col[ $i ] ) - 64 ) * pow( 26, $colLen - $i - 1 ); } return array( $index - 1, $row - 1 ); } $this->error( 'Invalid cell index ' . $cell ); return false; } /** * [value description] * * @since 1.1.0 * * @param [type] $cell [description] * @param [type] $format [description] * @return mixed [description] */ public function value( $cell, $format = null ) { // Determine data type. $dataType = (string) $cell['t']; if ( null === $format ) { $s = (int) $cell['s']; if ( $s > 0 && isset( $this->workbook_cell_formats[ $s ] ) ) { $format = $this->workbook_cell_formats[ $s ]['format']; } } if ( false !== strpos( $format, 'm' ) ) { $dataType = 'd'; } $value = ''; switch ( $dataType ) { case 's': // Value is a shared string. if ( '' !== (string) $cell->v ) { $value = $this->sharedstrings[ (int) $cell->v ]; } break; case 'b': // Value is boolean. $value = (string) $cell->v; if ( '0' === $value ) { $value = false; } elseif ( '1' === $value ) { $value = true; } else { $value = (bool) $cell->v; } break; case 'inlineStr': // Value is rich text inline. $value = $this->_parseRichText( $cell->is ); break; case 'e': // Value is an error message. if ( '' !== (string) $cell->v ) { $value = (string) $cell->v; } break; case 'd': // Value is a date. $value = $this->datetime_format ? gmdate( $this->datetime_format, $this->unixstamp( (float) $cell->v ) ) : (float) $cell->v; break; default: // Value is a string. $value = (string) $cell->v; // Check for numeric values by converting them forth and back. if ( is_numeric( $value ) && 's' !== $dataType ) { if ( $value == (int) $value ) { $value = (int) $value; } elseif ( $value == (float) $value ) { $value = (float) $value; } } } return $value; } /** * [href description] * * @since 1.1.0 * * @param [type] $cell [description] * @return string [description] */ public function href( $cell ) { return isset( $this->hyperlinks[ (string) $cell['r'] ] ) ? $this->hyperlinks[ (string) $cell['r'] ] : ''; } /** * [getStyles description] * * @since 1.8.1 * * @return [type] [description] */ public function getStyles() { return $this->styles; } /** * [_unzip description] * * @since 1.1.0 * * @param [type] $filename [description] * @param bool $is_data Optional. [description] * @return [type] [description] */ protected function _unzip( $filename, $is_data = false ) { if ( $is_data ) { $this->package['filename'] = 'default.xlsx'; $this->package['mtime'] = time(); $this->package['size'] = strlen( $filename ); $vZ = $filename; } else { if ( ! is_readable( $filename ) ) { $this->error( 'File not found ' . $filename ); return false; } // Package information. $this->package['filename'] = $filename; $this->package['mtime'] = filemtime( $filename ); $this->package['size'] = filesize( $filename ); // Read file. $vZ = file_get_contents( $filename ); } /* // Cut end of central directory $aE = explode( "\x50\x4b\x05\x06", $vZ ); if ( 1 === count( $aE ) ) { $this->error( 'Unknown format' ); return false; } */ if ( false === ( $pcd = strrpos( $vZ, "\x50\x4b\x05\x06" ) ) ) { $this->error( 'Unknown archive format' ); return false; } $aE = array( 0 => substr( $vZ, 0, $pcd ), 1 => substr( $vZ, $pcd + 3 ), ); // Normal way. $aP = unpack( 'x16/v1CL', $aE[1] ); $this->package['comment'] = substr( $aE[1], 18, $aP['CL'] ); // Translates end of line from other operating systems. $this->package['comment'] = str_replace( array( "\r\n", "\r" ), "\n", $this->package['comment'] ); // Cut the entries from the central directory. $aE = explode( "\x50\x4b\x01\x02", $vZ ); // Explode to each part. $aE = explode( "\x50\x4b\x03\x04", $aE[0] ); // Shift out spanning signature or empty entry. array_shift( $aE ); // Loop through the entries. foreach ( $aE as $vZ ) { $aI = array(); $aI['E'] = 0; $aI['EM'] = ''; // Retrieving local file header information. // $aP = unpack( 'v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL', $vZ ); $aP = unpack( 'v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL/v1EFL', $vZ ); // Check if data is encrypted. // $bE = ( $aP['GPF'] && 0x0001 ) ? true : false; $bE = false; $nF = $aP['FNL']; $mF = $aP['EFL']; // Special case: value block after the compressed data. if ( $aP['GPF'] & 0x0008 ) { $aP1 = unpack( 'V1CRC/V1CS/V1UCS', substr( $vZ, -12 ) ); $aP['CRC'] = $aP1['CRC']; $aP['CS'] = $aP1['CS']; $aP['UCS'] = $aP1['UCS']; // 2013-08-10 $vZ = substr( $vZ, 0, -12 ); if ( "\x50\x4b\x07\x08" === substr( $vZ, -4 ) ) { $vZ = substr( $vZ, 0, -4 ); } } // Get stored filename. $aI['N'] = substr( $vZ, 26, $nF ); // If it's a directory entry, it will be skipped. if ( '/' === substr( $aI['N'], -1 ) ) { continue; } // Truncate full filename in path and filename. $aI['P'] = dirname( $aI['N'] ); $aI['P'] = ( '.' === $aI['P'] ) ? '' : $aI['P']; $aI['N'] = basename( $aI['N'] ); $vZ = substr( $vZ, 26 + $nF + $mF ); if ( strlen( $vZ ) !== (int) $aP['CS'] ) { // Check only if available. $aI['E'] = 1; $aI['EM'] = 'Compressed size is not equal with the value in header information.'; } elseif ( $bE ) { $aI['E'] = 5; $aI['EM'] = 'File is encrypted, which is not supported by this class.'; } else { switch ( $aP['CM'] ) { case 0: // Stored // Here is nothing to do, the file is flat. break; case 8: // Deflated $vZ = gzinflate( $vZ ); break; case 12: // BZIP2 if ( extension_loaded( 'bz2' ) ) { $vZ = bzdecompress( $vZ ); } else { $aI['E'] = 7; $aI['EM'] = 'PHP BZIP2 extension not available.'; } break; default: $aI['E'] = 6; $aI['EM'] = "De-/Compression method {$aP['CM']} is not supported."; } if ( ! $aI['E'] ) { if ( false === $vZ ) { $aI['E'] = 2; $aI['EM'] = 'Decompression of data failed.'; } elseif ( strlen( $vZ ) !== (int) $aP['UCS'] ) { $aI['E'] = 3; $aI['EM'] = 'Uncompressed size is not equal with the value in header information.'; } elseif ( crc32( $vZ ) !== $aP['CRC'] ) { $aI['E'] = 4; $aI['EM'] = 'CRC32 checksum is not equal with the value in header information.'; } } } $aI['D'] = $vZ; // DOS to UNIX timestamp. $aI['T'] = mktime( ( $aP['FT'] & 0xf800 ) >> 11, ( $aP['FT'] & 0x07e0 ) >> 5, ( $aP['FT'] & 0x001f ) << 1, ( $aP['FD'] & 0x01e0 ) >> 5, ( $aP['FD'] & 0x001f ), ( ( $aP['FD'] & 0xfe00 ) >> 9 ) + 1980 ); // $this->Entries[] = new SimpleUnzipEntry( $aI ); $this->package['entries'][] = array( 'data' => $aI['D'], 'error' => $aI['E'], 'error_msg' => $aI['EM'], 'name' => $aI['N'], 'path' => $aI['P'], 'time' => $aI['T'], ); } // end foreach entries return true; } /** * [getPackage description] * * @since 1.1.0 * * @return [type] [description] */ public function getPackage() { return $this->package; } /** * [entryExists description] * * @since 1.1.0 * * @param [type] $name [description] * @return bool [description] */ public function entryExists( $name ) { $dir = strtoupper( dirname( $name ) ); $name = strtoupper( basename( $name ) ); foreach ( $this->package['entries'] as $entry ) { if ( strtoupper( $entry['path'] ) === $dir && strtoupper( $entry['name'] ) === $name ) { return true; } } return false; } /** * [getEntryData description] * * @since 1.1.0 * * @param [type] $name [description] * @return [type] [description] */ public function getEntryData( $name ) { $dir = strtoupper( dirname( $name ) ); $name = strtoupper( basename( $name ) ); foreach ( $this->package['entries'] as $entry ) { if ( strtoupper( $entry['path'] ) === $dir && strtoupper( $entry['name'] ) === $name ) { return $entry['data']; } } $this->error( 'Entry not found: ' . $name ); return false; } /** * [getEntryXML description] * * @since 1.1.0 * * @param [type] $name [description] * @return [type] [description] */ public function getEntryXML( $name ) { if ( $entry_xml = $this->getEntryData( $name ) ) { // Remove dirty namespace prefixes. $entry_xml = preg_replace( '/xmlns[^=]*="[^"]*"/i', '', $entry_xml ); // remove namespaces $entry_xml = preg_replace( '/[a-zA-Z0-9]+:([a-zA-Z0-9]+="[^"]+")/', '$1$2', $entry_xml ); // remove namespaced attrs $entry_xml = preg_replace( '/<[a-zA-Z0-9]+:([^>]+)>/', '<$1>', $entry_xml ); // fix namespaced opened tags $entry_xml = preg_replace( '/<\/[a-zA-Z0-9]+:([^>]+)>/', '</$1>', $entry_xml ); // fix namespaced closed tags // XML External Entity (XXE) Prevention. $_old_value = libxml_disable_entity_loader( true ); $entry_xmlobj = simplexml_load_string( $entry_xml ); libxml_disable_entity_loader( $_old_value ); if ( $entry_xmlobj ) { return $entry_xmlobj; } $e = libxml_get_last_error(); $this->error( 'XML-entry ' . $name . ' parser error ' . $e->message . ' line ' . $e->line ); } else { $this->error( 'XML-entry not found: ' . $name ); } return false; } /** * [unixstamp description] * * @since 1.1.0 * * @param [type] $excelDateTime [description] * @return [type] [description] */ public function unixstamp( $excelDateTime ) { $d = floor( $excelDateTime ); // seconds since 1900 $t = $excelDateTime - $d; return ( abs( $d ) > 0 ) ? ( $d - 25569 ) * DAY_IN_SECONDS + round( $t * DAY_IN_SECONDS ) : round( $t * DAY_IN_SECONDS ); // 25569 days = 70 years? } /** * [error description] * * @since 1.1.0 * * @param string $set Optional. [description] * @return [type] [description] */ public function error( $set = '' ) { if ( '' !== $set ) { $this->error = $set; // trigger_error( __CLASS__ . ': ' . $set, E_USER_WARNING ); } return $this->error; } /** * [success description] * * @since 1.1.0 * * @return [type] [description] */ public function success() { return ! $this->error; } /** * [_parse description] * * @since 1.1.0 * * @return [type] [description] */ protected function _parse() { // Document data holders. $this->sharedstrings = array(); $this->sheets = array(); // $this->styles = array(); // Read relations and search for officeDocument. if ( $relations = $this->getEntryXML( '_rels/.rels' ) ) { foreach ( $relations->Relationship as $rel ) { $rel_type = trim( (string) $rel['Type'] ); $rel_target = trim( (string) $rel['Target'] ); if ( self::SCHEMA_REL_OFFICEDOCUMENT === $rel_type && $this->workbook = $this->getEntryXML( $rel_target ) ) { $index_rId = array(); // [0 => rId1] $index = 0; foreach ( $this->workbook->sheets->sheet as $s ) { $this->sheetNames[ $index ] = (string) $s['name']; $index_rId[ $index ] = (string) $s['id']; $index++; } if ( $workbookRelations = $this->getEntryXML( dirname( $rel_target ) . '/_rels/workbook.xml.rels' ) ) { // Loop relations for workbook and extract sheets. foreach ( $workbookRelations->Relationship as $workbookRelation ) { $wrel_type = trim( (string) $workbookRelation['Type'] ); $wrel_path = dirname( trim( (string) $rel['Target'] ) ) . '/' . trim( $workbookRelation['Target'] ); if ( ! $this->entryExists( $wrel_path ) ) { continue; } if ( self::SCHEMA_REL_WORKSHEET === $wrel_type ) { if ( $sheet = $this->getEntryXML( $wrel_path ) ) { $index = array_search( (string) $workbookRelation['Id'], $index_rId, false ); $this->sheets[ $index ] = $sheet; } } elseif ( self::SCHEMA_REL_SHAREDSTRINGS === $wrel_type ) { if ( $sharedStrings = $this->getEntryXML( $wrel_path ) ) { foreach ( $sharedStrings->si as $val ) { if ( isset( $val->t ) ) { $this->sharedstrings[] = (string) $val->t; } elseif ( isset( $val->r ) ) { $this->sharedstrings[] = $this->_parseRichText( $val ); } } } } elseif ( self::SCHEMA_REL_STYLES === $wrel_type ) { $this->styles = $this->getEntryXML( $wrel_path ); $nf = array(); if ( null !== $this->styles->numFmts->numFmt ) { foreach ( $this->styles->numFmts->numFmt as $v ) { $nf[ (int) $v['numFmtId'] ] = (string) $v['formatCode']; } } if ( null !== $this->styles->cellXfs->xf ) { foreach ( $this->styles->cellXfs->xf as $v ) { $v = (array) $v->attributes(); $v['format'] = ''; if ( isset( $v['@attributes']['numFmtId'] ) ) { $v = $v['@attributes']; $fid = (int) $v['numFmtId']; if ( isset( self::$built_in_cell_formats[ $fid ] ) ) { $v['format'] = self::$built_in_cell_formats[ $fid ]; } elseif ( isset( $nf[ $fid ] ) ) { $v['format'] = $nf[ $fid ]; } } $this->workbook_cell_formats[] = $v; } } } } // foreach break; } } } // foreach } // Sort sheets. if ( count( $this->sheets ) ) { ksort( $this->sheets ); return true; } return false; } /** * [_parseRichText description] * * @since 1.1.0 * * @param [type] $is [description] * @return string [description] */ protected function _parseRichText( $is ) { $value = array(); if ( isset( $is->t ) ) { $value[] = (string) $is->t; } else { foreach ( $is->r as $run ) { $value[] = (string) $run->t; } } return implode( ' ', $value ); } /** * [parse description] * * @since 1.8.1 * * @param [type] $filename [description] * @param bool $is_data [description] * @return [type] [description] */ public static function parse( $filename, $is_data = false ) { $xlsx = new self( $filename, $is_data ); if ( $xlsx->success() ) { return $xlsx; } self::parse_error( $xlsx->error() ); return false; } /** * [parse_error description] * * @since 1.8.1 * * @param string $set [description] * @return [type] [description] */ public static function parse_error( $set = '' ) { static $error = ''; return ( '' !== $set ) ? $error = $set : $error; } /** * [getCell description] * * Example: xlsx->getCell(2,'B87', 0); * Get cell B87 from 2nd worksheet, formatted by General (see $built_in_cell_formats for all formats). * It's useful when we need to get a cell that has the wrong format, * Or just for direct cell reading. (thx EGO7000) * * @since 1.8.1 * * @param int $worksheet_index. * @param string $cell. * @param null|int $format. * * @return mixed */ public function getCell( $worksheet_index = 0, $cell = 'A1', $format = null ) { if ( false === ( $ws = $this->worksheet( $worksheet_index ) ) ) { return false; } list( $current_cell, $current_row ) = is_array( $cell ) ? $cell : $this->_columnIndex( (string) $cell ); if ( isset( $ws->sheetData->row[ $current_row ], $ws->sheetData->row[ $current_row ]->c[ $current_cell ] ) ) { $c = $ws->sheetData->row[ $current_row ]->c[ $current_cell ]; return $this->value( $c, $format ); } return null; } } // class SimpleXLSX