src/ErrorHandler/ErrorHandler.php
protected function onUserError(Event $error)
    {
        switch ($this->cfg['onEUserError']) {
            case 'continue':
                $error['continueToNormal'] = false;
                break;
            case 'log':
                // log the error, but continue script
                if (!$error->isPropagationStopped() && $error['continueToNormal']) {
                    $this->log($error);
                }
                $error['continueToNormal'] = false;
                break;
            case 'normal':
                // force continueToNormal
                $error['continueToNormal'] = true;
                break;
            default:
                /*
                    no special consideration
                    unless errorHandler.error subscriber changes `continueToNormal` value,
                    script will be halted
                */
        }
    }
protected function onUserError(Event $error)
    {
        switch ($this->cfg['onEUserError']) {
            case 'continue':
                $error['continueToNormal'] = false;
                break;
            case 'log':
                // log the error, but continue script
                if (!$error->isPropagationStopped() && $error['continueToNormal']) {
                    $this->log($error);
                }
                $error['continueToNormal'] = false;
                break;
            case 'normal':
                // force continueToNormal
                $error['continueToNormal'] = true;
                break;
            default:
                /*
                    no special consideration
                    unless errorHandler.error subscriber changes `continueToNormal` value,
                    script will be halted
                */
        }
    }
Handle E_USER_ERROR

Should script terminate, or continue?

@param Event $error errorHandler.error event

@return void