src/Handler.php
protected function registerExceptionHandler()
    {
        $this->exceptionHandler = ExceptionHandler::register(true);
        $this->exceptionHandler->setDisplayer($this->displayer);
    }
protected function registerExceptionHandler()
    {
        $this->exceptionHandler = ExceptionHandler::register(true);
        $this->exceptionHandler->setDisplayer($this->displayer);
    }
protected function registerExceptionHandler ( ) { $ this -> exceptionHandler = ExceptionHandler :: register ( true ) ; $ this -> exceptionHandler -> setDisplayer ( $ this -> displayer ) ; }
Register the Symfony exception handler

@return void
Register the Symfony exception handler