public function stop($marker)
    {
        if (array_key_exists($marker, $this->timers)) {
            $this->timers[$marker]->stop();
        }
    }
public function stop($marker)
    {
        if (array_key_exists($marker, $this->timers)) {
            $this->timers[$marker]->stop();
        }
    }
public function stop ( $ marker ) { if ( array_key_exists ( $ marker , $ this -> timers ) ) { $ this -> timers [ $ marker ] -> stop ( ) ; } }
Stop timer with a specific marker.

@param string $marker
Stop timer with a specific marker .