original_string: public function addTimer(Timer $timer)
    {
      if ( false === ($step=$this->currentStep()) ){
        throw new \Exception('No current step');
      }
      
      $step->setTimer($timer);
      return $this;
    }
code: public function addTimer(Timer $timer)
    {
      if ( false === ($step=$this->currentStep()) ){
        throw new \Exception('No current step');
      }
      
      $step->setTimer($timer);
      return $this;
    }
code_tokens: public function addTimer ( Timer $ timer ) { if ( false === ( $ step = $ this -> currentStep ( ) ) ) { throw new \ Exception ( 'No current step' ) ; } $ step -> setTimer ( $ timer ) ; return $ this ; }
docstring: Add timer to current step
docstring_tokens: Add timer to current step