src/Controller/ErrorController.php
public function unregisterFatalAction()
    {
        $this->fatalShouldActive = false;

        if ($this::$krexxFatal === null) {
            // There is no fatal error handler to begin with.
            return $this;
        }

        // Now we need to tell the shutdown function, that is must
        // not do anything on shutdown.
        $this::$krexxFatal->setIsActive(false);
        unregister_tick_function(array($this::$krexxFatal, 'tickCallback'));
        return $this;
    }
public function unregisterFatalAction()
    {
        $this->fatalShouldActive = false;

        if ($this::$krexxFatal === null) {
            // There is no fatal error handler to begin with.
            return $this;
        }

        // Now we need to tell the shutdown function, that is must
        // not do anything on shutdown.
        $this::$krexxFatal->setIsActive(false);
        unregister_tick_function(array($this::$krexxFatal, 'tickCallback'));
        return $this;
    }
public function unregisterFatalAction ( ) { $ this -> fatalShouldActive = false ; if ( $ this :: $ krexxFatal === null ) { // There is no fatal error handler to begin with. return $ this ; } // Now we need to tell the shutdown function, that is must // not do anything on shutdown. $ this :: $ krexxFatal -> setIsActive ( false ) ; unregister_tick_function ( array ( $ this :: $ krexxFatal , 'tickCallback' ) ) ; return $ this ; }
"Unregister" the fatal error handler.

Actually we can not unregister it. We simply tell it to not activate
and we unregister the tick function which provides us with the
backtrace.

@return $this
Return $this for chaining
Unregister the fatal error handler .