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src/vendor/1.2.5/Phalcon/Cache/Frontend/None.php 1.88 KB
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  <?php 
  
  namespace Phalcon\Cache\Frontend {
  
  	/**
  	 * Phalcon\Cache\Frontend\None
  	 *
  	 * Discards any kind of frontend data input. This frontend does not have expiration time or any other options
  	 *
  	 *<code>
  	 *
  	 *	//Create a None Cache
  	 *	$frontCache = new Phalcon\Cache\Frontend\None();
  	 *
  	 *	// Create the component that will cache "Data" to a "Memcached" backend
  	 *	// Memcached connection settings
  	 *	$cache = new Phalcon\Cache\Backend\Memcache($frontCache, array(
  	 *		"host" => "localhost",
  	 *		"port" => "11211"
  	 *	));
  	 *
  	 *	// This Frontend always return the data as it's returned by the backend
  	 *	$cacheKey = 'robots_order_id.cache';
  	 *	$robots    = $cache->get($cacheKey);
  	 *	if ($robots === null) {
  	 *
  	 *		// This cache doesn't perform any expiration checking, so the data is always expired
  	 *		// Make the database call and populate the variable
  	 *		$robots = Robots::find(array("order" => "id"));
  	 *
  	 *		$cache->save($cacheKey, $robots);
  	 *	}
  	 *
  	 *	// Use $robots :)
  	 *	foreach ($robots as $robot) {
  	 *		echo $robot->name, "\n";
  	 *	}
  	 *</code>
  	 */
  	
  	class None implements \Phalcon\Cache\FrontendInterface {
  
  		/**
  		 * Returns cache lifetime, always one second expiring content
  		 *
  		 * @return int
  		 */
  		public function getLifetime(){ }
  
  
  		/**
  		 * Check whether if frontend is buffering output, always false
  		 *
  		 * @return boolean
  		 */
  		public function isBuffering(){ }
  
  
  		/**
  		 * Starts output frontend
  		 */
  		public function start(){ }
  
  
  		/**
  		 * Returns output cached content
  		 *
  		 * @return string
  		 */
  		public function getContent(){ }
  
  
  		/**
  		 * Stops output frontend
  		 */
  		public function stop(){ }
  
  
  		/**
  		 * Prepare data to be stored
  		 *
  		 * @param mixed $data
  		 */
  		public function beforeStore($data){ }
  
  
  		/**
  		 * Prepares data to be retrieved to user
  		 *
  		 * @param mixed $data
  		 */
  		public function afterRetrieve($data){ }
  
  	}
  }