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/inc/cachehandlers/ -> xcache.php (source)

   1  <?php
   2  /**
   3   * MyBB 1.8
   4   * Copyright 2014 MyBB Group, All Rights Reserved
   5   *
   6   * Website: http://www.mybb.com
   7   * License: http://www.mybb.com/about/license
   8   *
   9   */
  10  
  11  /**
  12   * Xcache Cache Handler
  13   */
  14  class xcacheCacheHandler implements CacheHandlerInterface
  15  {
  16      /**
  17       * Unique identifier representing this copy of MyBB
  18       *
  19       * @var string
  20       */
  21      public $unique_id;
  22  
  23  	function __construct()
  24      {
  25          global $mybb;
  26  
  27          if(!function_exists("xcache_get"))
  28          {
  29              // Check if our DB engine is loaded
  30              if(!extension_loaded("XCache"))
  31              {
  32                  // Throw our super awesome cache loading error
  33                  $mybb->trigger_generic_error("xcache_load_error");
  34                  die;
  35              }
  36          }
  37      }
  38  
  39      /**
  40       * Connect and initialize this handler.
  41       *
  42       * @return boolean True if successful, false on failure
  43       */
  44  	function connect()
  45      {
  46          // Set a unique identifier for all queries in case other forums on this server also use this cache handler
  47          $this->unique_id = md5(MYBB_ROOT);
  48  
  49          return true;
  50      }
  51  
  52      /**
  53       * Retrieve an item from the cache.
  54       *
  55       * @param string $name The name of the cache
  56       * @return mixed Cache data if successful, false if failure
  57       */
  58  	function fetch($name)
  59      {
  60          if(!xcache_isset($this->unique_id."_".$name))
  61          {
  62              return false;
  63          }
  64          return xcache_get($this->unique_id."_".$name);
  65      }
  66  
  67      /**
  68       * Write an item to the cache.
  69       *
  70       * @param string $name The name of the cache
  71       * @param mixed $contents The data to write to the cache item
  72       * @return boolean True on success, false on failure
  73       */
  74  	function put($name, $contents)
  75      {
  76          return xcache_set($this->unique_id."_".$name, $contents);
  77      }
  78  
  79      /**
  80       * Delete a cache
  81       *
  82       * @param string $name The name of the cache
  83       * @return boolean True on success, false on failure
  84       */
  85  	function delete($name)
  86      {
  87          return xcache_set($this->unique_id."_".$name, "", 1);
  88      }
  89  
  90      /**
  91       * Disconnect from the cache
  92       *
  93       * @return bool
  94       */
  95  	function disconnect()
  96      {
  97          return true;
  98      }
  99  
 100      /**
 101       * @param string $name
 102       *
 103       * @return string
 104       */
 105  	function size_of($name='')
 106      {
 107          global $lang;
 108  
 109          return $lang->na;
 110      }
 111  }


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