original_string: public function getActualFields()
      {
          if ($this->actual_fields === false) {
              $this->actual_fields = $this->getGroupField();
          }
  
          return $this->actual_fields;
      }
code: public function getActualFields()
      {
          if ($this->actual_fields === false) {
              $this->actual_fields = $this->getGroupField();
          }
  
          return $this->actual_fields;
      }
code_tokens: public function getActualFields ( ) { if ( $ this -> actual_fields === false ) { $ this -> actual_fields = $ this -> getGroupField ( ) ; } return $ this -> actual_fields ; }
docstring: Get the actual fields.
  
  @return array the actual fields
docstring_tokens: Get the actual fields .