inital commit

webroot/forum/inc/cachehandlers/xcache.php

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+<?php
+/**
+ * MyBB 1.8
+ * Copyright 2014 MyBB Group, All Rights Reserved
+ *
+ * Website: http://www.mybb.com
+ * License: http://www.mybb.com/about/license
+ *
+ */
+
+/**
+ * Xcache Cache Handler
+ */
+class xcacheCacheHandler implements CacheHandlerInterface
+{
+	/**
+	 * Unique identifier representing this copy of MyBB
+	 *
+	 * @var string
+	 */
+	public $unique_id;
+
+	function __construct()
+	{
+		global $mybb;
+
+		if(!function_exists("xcache_get"))
+		{
+			// Check if our DB engine is loaded
+			if(!extension_loaded("XCache"))
+			{
+				// Throw our super awesome cache loading error
+				$mybb->trigger_generic_error("xcache_load_error");
+				die;
+			}
+		}
+	}
+
+	/**
+	 * Connect and initialize this handler.
+	 *
+	 * @return boolean True if successful, false on failure
+	 */
+	function connect()
+	{
+		// Set a unique identifier for all queries in case other forums on this server also use this cache handler
+		$this->unique_id = md5(MYBB_ROOT);
+
+		return true;
+	}
+
+	/**
+	 * Retrieve an item from the cache.
+	 *
+	 * @param string $name The name of the cache
+	 * @return mixed Cache data if successful, false if failure
+	 */
+	function fetch($name)
+	{
+		if(!xcache_isset($this->unique_id."_".$name))
+		{
+			return false;
+		}
+		return xcache_get($this->unique_id."_".$name);
+	}
+
+	/**
+	 * Write an item to the cache.
+	 *
+	 * @param string $name The name of the cache
+	 * @param mixed $contents The data to write to the cache item
+	 * @return boolean True on success, false on failure
+	 */
+	function put($name, $contents)
+	{
+		return xcache_set($this->unique_id."_".$name, $contents);
+	}
+
+	/**
+	 * Delete a cache
+	 *
+	 * @param string $name The name of the cache
+	 * @return boolean True on success, false on failure
+	 */
+	function delete($name)
+	{
+		return xcache_set($this->unique_id."_".$name, "", 1);
+	}
+
+	/**
+	 * Disconnect from the cache
+	 *
+	 * @return bool
+	 */
+	function disconnect()
+	{
+		return true;
+	}
+
+	/**
+	 * @param string $name
+	 *
+	 * @return string
+	 */
+	function size_of($name='')
+	{
+		global $lang;
+
+		return $lang->na;
+	}
+}