public function internalShutdownFunction()
    {
        $aError = error_get_last();
        if (! $this->aConfig['display_errors'] && is_array($aError) && $aError['type'] === E_ERROR) {
            $oException = new \ErrorException(
                $aError['message'],
                $this->aConfig['default_error_code'],
                $aError['type'],
                $aError['file'],
                $aError['line']
            );
            call_user_func($this->callbackGenericDisplay, $oException);
        }
        if (! empty($this->callbackAdditionalShutdownFct)) {
            call_user_func($this->callbackAdditionalShutdownFct);
            // @codeCoverageIgnoreStart
        }
    }