src/Base/ErrorHandler.php
public function handleFatalError()
    {
        unset($this->_memoryReserve);
        static::loadErrorExceptionClass();
        $error = error_get_last();

        if (ErrorException::isFatalError($error)) {
            $exception = new ErrorException($error['message'], $error['type'], $error['type'], $error['file'], $error['line']);
            $this->exception = $exception;
            $this->logException($exception);

            if ($this->discardExistingOutput) {
                $this->clearOutput();
            }
            $this->renderException($exception);
        }
    }
public function handleFatalError()
    {
        unset($this->_memoryReserve);
        static::loadErrorExceptionClass();
        $error = error_get_last();

        if (ErrorException::isFatalError($error)) {
            $exception = new ErrorException($error['message'], $error['type'], $error['type'], $error['file'], $error['line']);
            $this->exception = $exception;
            $this->logException($exception);

            if ($this->discardExistingOutput) {
                $this->clearOutput();
            }
            $this->renderException($exception);
        }
    }
Handles fatal PHP errors.