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<?php |
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/** |
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* **************************************************************************** |
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* references - MODULE FOR XOOPS |
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* Copyright (c) Hervé Thouzard of Instant Zero (http://www.instant-zero.com) |
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* |
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* You may not change or alter any portion of this comment or credits |
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* of supporting developers from this source code or any supporting source code |
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* which is considered copyrighted (c) material of the original comment or credit authors. |
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* This program 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. |
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* |
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* @copyright Hervé Thouzard of Instant Zero (http://www.instant-zero.com) |
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* @license http://www.fsf.org/copyleft/gpl.html GNU public license |
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* @package references |
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* @author Hervé Thouzard of Instant Zero (http://www.instant-zero.com) |
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* |
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* **************************************************************************** |
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*/ |
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class references_registryfile |
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{ |
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public $filename; // Nom du fichier � traiter |
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/** |
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* Access the only instance of this class |
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* |
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* @return object |
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* |
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* @static |
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* @staticvar object |
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*/ |
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public static function getInstance() |
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{ |
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static $instance; |
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if (null === $instance) { |
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$instance = new static(); |
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} |
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return $instance; |
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} |
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public function __construct($fichier = null) |
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{ |
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$this->setfile($fichier); |
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} |
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public function setfile($fichier = null) |
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{ |
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if ($fichier) { |
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$this->filename = XOOPS_UPLOAD_PATH . DIRECTORY_SEPARATOR . $fichier; |
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} |
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} |
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public function getfile($fichier = null) |
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{ |
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$fw = ''; |
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View Code Duplication |
if (!$fichier) { |
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$fw = $this->filename; |
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} else { |
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$fw = XOOPS_UPLOAD_PATH . DIRECTORY_SEPARATOR . $fichier; |
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} |
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if (file_exists($fw)) { |
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return file_get_contents($fw); |
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} else { |
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return ''; |
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} |
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} |
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public function savefile($content, $fichier = null) |
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{ |
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$fw = ''; |
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View Code Duplication |
if (!$fichier) { |
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$fw = $this->filename; |
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} else { |
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$fw = XOOPS_UPLOAD_PATH . DIRECTORY_SEPARATOR . $fichier; |
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} |
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if (file_exists($fw)) { |
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@unlink($fw); |
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} |
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$fp = fopen($fw, 'w') || exit('Error, impossible to create the file ' . $this->filename); |
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fwrite($fp, $content); |
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fclose($fp); |
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return true; |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.