public static function get($key, $default = NULL) {
        if (isset(self::$configs[$key]))
            return self::$configs[$key];

        return $default;

    }
public static function get($key, $default = NULL) {
        if (isset(self::$configs[$key]))
            return self::$configs[$key];

        return $default;

    }
public static function get ( $ key , $ default = NULL ) { if ( isset ( self :: $ configs [ $ key ] ) ) return self :: $ configs [ $ key ] ; return $ default ; }
Gets a config item

@param string $key
@param mixed $default
@return mixed|null The configuration tem or NULL, if the item does not exists
Gets a config item