original_string: public function addMinificationStep($input, $keyName = null)
      {
          if ($this->statistics === null) {
              $this->statistics = new Statistics($input, $keyName);
  
              return;
          }
  
          $this->statistics->createReferencePoint($this->placeholderContainer->getContentSize($input), $keyName);
      }
code: public function addMinificationStep($input, $keyName = null)
      {
          if ($this->statistics === null) {
              $this->statistics = new Statistics($input, $keyName);
  
              return;
          }
  
          $this->statistics->createReferencePoint($this->placeholderContainer->getContentSize($input), $keyName);
      }
code_tokens: public function addMinificationStep ( $ input , $ keyName = null ) { if ( $ this -> statistics === null ) { $ this -> statistics = new Statistics ( $ input , $ keyName ) ; return ; } $ this -> statistics -> createReferencePoint ( $ this -> placeholderContainer -> getContentSize ( $ input ) , $ keyName ) ; }
docstring: Add a minification step.
  
  @param string $input
  @param string $keyName
docstring_tokens: Add a minification step .