You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.4 KiB
48 lines
1.4 KiB
<?php |
|
/** |
|
* @link http://www.yiiframework.com/ |
|
* @copyright Copyright (c) 2008 Yii Software LLC |
|
* @license http://www.yiiframework.com/license/ |
|
*/ |
|
|
|
namespace yii\caching; |
|
|
|
/** |
|
* FileDependency represents a dependency based on a file's last modification time. |
|
* |
|
* If th last modification time of the file specified via [[fileName]] is changed, |
|
* the dependency is considered as changed. |
|
* |
|
* @author Qiang Xue <qiang.xue@gmail.com> |
|
* @since 2.0 |
|
*/ |
|
class FileDependency extends Dependency |
|
{ |
|
/** |
|
* @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. |
|
* @param array $config name-value pairs that will be used to initialize the object properties |
|
*/ |
|
public function __construct($fileName = null, $config = []) |
|
{ |
|
$this->fileName = $fileName; |
|
parent::__construct($config); |
|
} |
|
|
|
/** |
|
* Generates the data needed to determine if dependency has been changed. |
|
* This method returns the file's last modification time. |
|
* @param Cache $cache the cache component that is currently evaluating this dependency |
|
* @return mixed the data needed to determine if dependency has been changed. |
|
*/ |
|
protected function generateDependencyData($cache) |
|
{ |
|
return @filemtime($this->fileName); |
|
} |
|
}
|
|
|