public static function db_connect() { if (self::$_db == null) { $config = new Zend_Config_Ini(dirname(__FILE__) . "/../config.ini", "database"); $params = array('host' => $config->params->host, 'username' => $config->params->username, 'password' => $config->params->password, 'dbname' => $config->params->dbname, 'charset' => 'utf8', 'profiler' => true); self::$_db = Zend_Db::factory($config->adapter, $params); Zend_Db_Table_Abstract::setDefaultAdapter(self::$_db); } return self::$_db; }