mirror of
https://github.com/YunoHost-Apps/limesurvey_ynh.git
synced 2024-09-03 19:36:32 +02:00
54 lines
1.5 KiB
PHP
54 lines
1.5 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* CFileCacheDependency class file.
|
||
|
|
*
|
||
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
||
|
|
* @link http://www.yiiframework.com/
|
||
|
|
* @copyright 2008-2013 Yii Software LLC
|
||
|
|
* @license http://www.yiiframework.com/license/
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* CFileCacheDependency represents a dependency based on a file's last modification time.
|
||
|
|
*
|
||
|
|
* CFileCacheDependency performs dependency checking based on the
|
||
|
|
* last modification time of the file specified via {@link fileName}.
|
||
|
|
* The dependency is reported as unchanged if and only if the file's
|
||
|
|
* last modification time remains unchanged.
|
||
|
|
*
|
||
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
||
|
|
* @package system.caching.dependencies
|
||
|
|
* @since 1.0
|
||
|
|
*/
|
||
|
|
class CFileCacheDependency extends CCacheDependency
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @var string the name of the file whose last modification time is used to
|
||
|
|
* check if the dependency has been changed.
|
||
|
|
*/
|
||
|
|
public $fileName;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructor.
|
||
|
|
* @param string $fileName name of the file whose change is to be checked.
|
||
|
|
*/
|
||
|
|
public function __construct($fileName=null)
|
||
|
|
{
|
||
|
|
$this->fileName=$fileName;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates the data needed to determine if dependency has been changed.
|
||
|
|
* This method returns the file's last modification time.
|
||
|
|
* @throws CException if {@link fileName} is empty
|
||
|
|
* @return mixed the data needed to determine if dependency has been changed.
|
||
|
|
*/
|
||
|
|
protected function generateDependentData()
|
||
|
|
{
|
||
|
|
if($this->fileName!==null)
|
||
|
|
return @filemtime($this->fileName);
|
||
|
|
else
|
||
|
|
throw new CException(Yii::t('yii','CFileCacheDependency.fileName cannot be empty.'));
|
||
|
|
}
|
||
|
|
}
|