public function handle()
    {
        if (!$this->isEnabled) {
            return;
        }

        $this->reservedMemory = '';
        $error = $this->isolator->error_get_last();

        if (null === $error) {
            return;
        }

        $handler = $this->stack->handler();

        if (null === $handler) {
            return;
        }

        $handler(
            new FatalErrorException(
                $error['message'],
                $error['type'],
                $error['file'],
                $error['line']
            )
        );
    }