77 lines
2.2 KiB
PHP
77 lines
2.2 KiB
PHP
<?php
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/**
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* PhpWord
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*
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* Copyright (c) 2014 PhpWord
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PhpWord
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* @package PhpWord
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* @copyright Copyright (c) 2014 PhpWord
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version 0.8.0
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*/
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namespace PhpOffice\PhpWord\Shared;
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class File
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{
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/**
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* Verify if a file exists
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*
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* @param string $pFilename Filename
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* @return bool
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*/
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public static function file_exists($pFilename)
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{
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// Regular file_exists
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return file_exists($pFilename);
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}
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/**
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* Returns canonicalized absolute pathname, also for ZIP archives
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*
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* @param string $pFilename
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* @return string
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*/
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public static function realpath($pFilename)
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{
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// Returnvalue
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$returnValue = '';
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// Try using realpath()
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$returnValue = realpath($pFilename);
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// Found something?
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if ($returnValue == '' || is_null($returnValue)) {
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$pathArray = explode('/', $pFilename);
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while (in_array('..', $pathArray) && $pathArray[0] != '..') {
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for ($i = 0; $i < count($pathArray); ++$i) {
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if ($pathArray[$i] == '..' && $i > 0) {
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unset($pathArray[$i]);
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unset($pathArray[$i - 1]);
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break;
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}
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}
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}
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$returnValue = implode('/', $pathArray);
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}
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// Return
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return $returnValue;
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}
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}
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