Exemplos de XF_Cache_Memcache::_instance em PHP

Exemplo n.º 1

Arquivo: Memcache.php Projeto: kevinwan/xf

 /**
  * 获取当前缓存对象实例
  * @access public
  * @return XF_Cache_Memcache
  */
 public static function getInstance()
 {
     if (self::$_instance == null) {
         //是否存在memcache缓存服务器配置
         $servers = XF_Config::getInstance()->getMemcaches();
         if (!isset($servers[0])) {
             throw new XF_Cache_Exception('Memcache server config is empty');
         }
         $server = explode(':', $servers[0]);
         //检测是否安装memcache PHP扩展
         if (!class_exists('Memcache', FALSE)) {
             throw new XF_Cache_Exception('Memcache PECL expands has not installed or has begun using');
         }
         self::$_instance = new self();
         self::$_instance->_memcache = new Memcache();
         $status = self::$_instance->_memcache->connect($server[0], $server[1]);
         if ($status == FALSE) {
             throw new XF_Cache_Exception('Memcache connect failure');
         }
     }
     return self::$_instance;
 }