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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package		CodeIgniter
 * @author		EllisLab Dev Team
 * @copyright		Copyright (c) 2006 - 2014 EllisLab, Inc.
 * @copyright		Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 2.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Caching Class
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	Core
 * @author		EllisLab Dev Team
 * @link
 */
class CI_Cache extends CI_Driver_Library {

protected $valid_drivers 	= array(
		'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy'
	);

protected $_cache_path		= NULL;		// Path of cache files (if file-based cache)
	protected $_adapter			= 'dummy';
	protected $_backup_driver;

// ------------------------------------------------------------------------

/**
	 * Constructor
	 *
	 * @param array
	 */
	public function __construct($config = array())
	{
		if ( ! empty($config))
		{
			$this->_initialize($config);
		}
	}

// ------------------------------------------------------------------------

/**
	 * Get
	 *
	 * Look for a value in the cache.  If it exists, return the data
	 * if not, return FALSE
	 *
	 * @param 	string
	 * @return 	mixed		value that is stored/FALSE on failure
	 */
	public function get($id)
	{
		return $this->{$this->_adapter}->get($id);
	}

// ------------------------------------------------------------------------

/**
	 * Cache Save
	 *
	 * @param 	string		Unique Key
	 * @param 	mixed		Data to store
	 * @param 	int			Length of time (in seconds) to cache the data
	 *
	 * @return 	boolean		true on success/false on failure
	 */
	public function save($id, $data, $ttl = 60)
	{
		return $this->{$this->_adapter}->save($id, $data, $ttl);
	}

// ------------------------------------------------------------------------

/**
	 * Delete from Cache
	 *
	 * @param 	mixed		unique identifier of the item in the cache
	 * @return 	boolean		true on success/false on failure
	 */
	public function delete($id)
	{
		return $this->{$this->_adapter}->delete($id);
	}

// ------------------------------------------------------------------------

/**
	 * Clean the cache
	 *
	 * @return 	boolean		false on failure/true on success
	 */
	public function clean()
	{
		return $this->{$this->_adapter}->clean();
	}

// ------------------------------------------------------------------------

/**
	 * Cache Info
	 *
	 * @param 	string		user/filehits
	 * @return 	mixed		array on success, false on failure
	 */
	public function cache_info($type = 'user')
	{
		return $this->{$this->_adapter}->cache_info($type);
	}

// ------------------------------------------------------------------------

/**
	 * Get Cache Metadata
	 *
	 * @param 	mixed		key to get cache metadata on
	 * @return 	mixed		return value from child method
	 */
	public function get_metadata($id)
	{
		return $this->{$this->_adapter}->get_metadata($id);
	}

// ------------------------------------------------------------------------

/**
	 * Initialize
	 *
	 * Initialize class properties based on the configuration array.
	 *
	 * @param	array
	 * @return 	void
	 */
	private function _initialize($config)
	{
		$default_config = array(
				'adapter',
				'memcached'
			);

foreach ($default_config as $key)
		{
			if (isset($config[$key]))
			{
				$param = '_'.$key;

$this->{$param} = $config[$key];
			}
		}

if (isset($config['backup']))
		{
			if (in_array('cache_'.$config['backup'], $this->valid_drivers))
			{
				$this->_backup_driver = $config['backup'];
			}
		}
	}

// ------------------------------------------------------------------------

/**
	 * Is the requested driver supported in this environment?
	 *
	 * @param 	string	The driver to test.
	 * @return 	array
	 */
	public function is_supported($driver)
	{
		static $support = array();

if ( ! isset($support[$driver]))
		{
			$support[$driver] = $this->{$driver}->is_supported();
		}

return $support[$driver];
	}

// ------------------------------------------------------------------------

/**
	 * __get()
	 *
	 * @param 	child
	 * @return 	object
	 */
	public function __get($child)
	{
		$obj = parent::__get($child);

if ( ! $this->is_supported($child))
		{
			$this->_adapter = $this->_backup_driver;
			$obj = parent::__get($this->_adapter);
		}

return $obj;
	}

}

/* End of file Cache.php */
/* Location: ./system/libraries/Cache/Cache.php */

Batal

⬅ libraries 3 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 drivers	dir	—	17/08/24 07:14	0755	📂
🐘 Cache.php	php	4.6 KB	17/08/24 07:14	0644	✏️ ⬇
🌐 index.html	html	114 B	17/08/24 07:14	0644	✏️ ⬇

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