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   1  <?php
   2  /**
   3  *
   4  * @package acm
   5  * @copyright (c) 2010 phpBB Group
   6  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   7  *
   8  */
   9  
  10  /**
  11  * @ignore
  12  */
  13  if (!defined('IN_PHPBB'))
  14  {
  15      exit;
  16  }
  17  
  18  // Include the abstract base
  19  if (!class_exists('acm_memory'))
  20  {
  21      require("{$phpbb_root_path}includes/acm/acm_memory.$phpEx");
  22  }
  23  
  24  /**
  25  * ACM for WinCache
  26  * @package acm
  27  */
  28  class acm extends acm_memory
  29  {
  30      var $extension = 'wincache';
  31  
  32      /**
  33      * Purge cache data
  34      *
  35      * @return null
  36      */
  37  	function purge()
  38      {
  39          wincache_ucache_clear();
  40  
  41          parent::purge();
  42      }
  43  
  44      /**
  45      * Fetch an item from the cache
  46      *
  47      * @access protected
  48      * @param string $var Cache key
  49      * @return mixed Cached data
  50      */
  51  	function _read($var)
  52      {
  53          $success = false;
  54          $result = wincache_ucache_get($this->key_prefix . $var, $success);
  55  
  56          return ($success) ? $result : false;
  57      }
  58  
  59      /**
  60      * Store data in the cache
  61      *
  62      * @access protected
  63      * @param string $var Cache key
  64      * @param mixed $data Data to store
  65      * @param int $ttl Time-to-live of cached data
  66      * @return bool True if the operation succeeded
  67      */
  68  	function _write($var, $data, $ttl = 2592000)
  69      {
  70          return wincache_ucache_set($this->key_prefix . $var, $data, $ttl);
  71      }
  72  
  73      /**
  74      * Remove an item from the cache
  75      *
  76      * @access protected
  77      * @param string $var Cache key
  78      * @return bool True if the operation succeeded
  79      */
  80  	function _delete($var)
  81      {
  82          return wincache_ucache_delete($this->key_prefix . $var);
  83      }
  84  }