File.php
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<?php
namespace Phalcon\Cache\Backend {
/**
* Phalcon\Cache\Backend\File
*
* Allows to cache output fragments using a file backend
*
*<code>
* //Cache the file for 2 days
* $frontendOptions = array(
* 'lifetime' => 172800
* );
*
* //Create a output cache
* $frontCache = \Phalcon\Cache\Frontend\Output($frontOptions);
*
* //Set the cache directory
* $backendOptions = array(
* 'cacheDir' => '../app/cache/'
* );
*
* //Create the File backend
* $cache = new \Phalcon\Cache\Backend\File($frontCache, $backendOptions);
*
* $content = $cache->start('my-cache');
* if ($content === null) {
* echo '<h1>', time(), '</h1>';
* $cache->save();
* } else {
* echo $content;
* }
*</code>
*/
class File extends \Phalcon\Cache\Backend implements \Phalcon\Cache\BackendInterface {
/**
* \Phalcon\Cache\Backend\File constructor
*
* @param \Phalcon\Cache\FrontendInterface $frontend
* @param array $options
*/
public function __construct($frontend, $options=null){ }
/**
* Returns a cached content
*
* @param int|string $keyName
* @param long $lifetime
* @return mixed
*/
public function get($keyName, $lifetime=null){ }
/**
* Stores cached content into the file backend and stops the frontend
*
* @param int|string $keyName
* @param string $content
* @param long $lifetime
* @param boolean $stopBuffer
*/
public function save($keyName=null, $content=null, $lifetime=null, $stopBuffer=null){ }
/**
* Deletes a value from the cache by its key
*
* @param int|string $keyName
* @return boolean
*/
public function delete($keyName){ }
/**
* Query the existing cached keys
*
* @param string $prefix
* @return array
*/
public function queryKeys($prefix=null){ }
/**
* Checks if cache exists and it isn't expired
*
* @param string $keyName
* @param long $lifetime
* @return boolean
*/
public function exists($keyName=null, $lifetime=null){ }
}
}