Index: install/install_data.sql
===================================================================
--- install/install_data.sql	(revision 13170)
+++ install/install_data.sql	(working copy)
@@ -177,7 +177,7 @@
 INSERT INTO ConfigurationValues VALUES (DEFAULT, 'CSVExportEncoding', '0', 'In-Portal', 'in-portal:configure_advanced');
 INSERT INTO ConfigurationAdmin VALUES ('MemcacheServers', 'la_section_SettingsCaching', 'la_config_MemcacheServers', 'text', '', '', 80.01, 0, 0);
 INSERT INTO ConfigurationValues VALUES (DEFAULT, 'MemcacheServers', 'localhost:11211', 'In-Portal', 'in-portal:configure_advanced');
-INSERT INTO ConfigurationAdmin VALUES ('CacheHandler', 'la_section_SettingsCaching', 'la_config_CacheHandler', 'select', NULL, 'Fake=la_None,Memcache=+Memcached,Apc=+Alternative PHP Cache', 80.02, 0, 0);
+INSERT INTO ConfigurationAdmin VALUES ('CacheHandler', 'la_section_SettingsCaching', 'la_config_CacheHandler', 'select', NULL, 'Fake=la_None,Memcache=+Memcached,Apc=+Alternative PHP Cache,XCache=+XCache', 80.02, 0, 0);
 INSERT INTO ConfigurationValues VALUES (DEFAULT, 'CacheHandler', 'Fake', 'In-Portal', 'in-portal:configure_advanced');
 
 # Section "in-portal:configure_users":
Index: install/upgrades.sql
===================================================================
--- install/upgrades.sql	(revision 13170)
+++ install/upgrades.sql	(working copy)
@@ -1683,5 +1683,5 @@
   KEY LifeTime (LifeTime)
 );
 
-INSERT INTO ConfigurationAdmin VALUES ('CacheHandler', 'la_section_SettingsCaching', 'la_config_CacheHandler', 'select', NULL, 'Fake=la_None,Memcache=+Memcached,Apc=+Alternative PHP Cache', 80.02, 0, 0);
+INSERT INTO ConfigurationAdmin VALUES ('CacheHandler', 'la_section_SettingsCaching', 'la_config_CacheHandler', 'select', NULL, 'Fake=la_None,Memcache=+Memcached,Apc=+Alternative PHP Cache,XCache=+XCache', 80.02, 0, 0);
 INSERT INTO ConfigurationValues VALUES (DEFAULT, 'CacheHandler', 'Fake', 'In-Portal', 'in-portal:configure_advanced');
\ No newline at end of file
Index: kernel/utility/cache.php
===================================================================
--- kernel/utility/cache.php	(revision 13171)
+++ kernel/utility/cache.php	(working copy)
@@ -517,4 +517,66 @@
 		{
 			return $this->_enabled;
 		}
+	}
+
+	class XCacheCacheHandler {
+
+		var $_enabled = false;
+
+		var $cachingType = CACHING_TYPE_MEMORY;
+
+		function XCacheCacheHandler()
+		{
+			$this->_enabled = function_exists('xcache_get');
+
+		 	// verify, that xcache is working
+		 	if ($this->_enabled && !$this->set('test', 1)) {
+				$this->_enabled = false;
+			}
+		}
+
+		/**
+		 * Retrieves value from cache
+		 *
+		 * @param string $name
+		 * @return mixed
+		 */
+		function get($name)
+		{
+			return xcache_isset($name) ? xcache_get($name) : false;
+		}
+
+		/**
+		 * Stores value in cache
+		 *
+		 * @param string $name
+		 * @param mixed $value
+		 * @param int $expiration
+		 * @return bool
+		 */
+		function set($name, $value, $expiration = 0)
+		{
+			return xcache_set($name, $value, $expiration);
+		}
+
+		/**
+		 * Deletes key from cache
+		 *
+		 * @param string $name
+		 * @return bool
+		 */
+		function delete($name)
+		{
+			return xcache_unset($name);
+		}
+
+		/**
+		 * Determines, that cache storage is working fine
+		 *
+		 * @return bool
+		 */
+		function isWorking()
+		{
+			return $this->_enabled;
+		}
 	}
\ No newline at end of file