public static function isDefined($key) { return ContainerHandler::isDefined(self::$container, $key); }
public function isDefined($key) { return ContainerHandler::isDefined($this->container, $key); }
public static function isDefined($key) { return ContainerHandler::isDefined(self::$container, $key); }
public function isDefined($key) { return ContainerHandler::isDefined($this->container, $key); }