original_string: public function doValidate()
      {
          $isValid = true;
          if ($this->props['validate']) {
              $isValid = \call_user_func($this->props['validate'], $this);
          }
          return $isValid;
      }
code: public function doValidate()
      {
          $isValid = true;
          if ($this->props['validate']) {
              $isValid = \call_user_func($this->props['validate'], $this);
          }
          return $isValid;
      }
code_tokens: public function doValidate ( ) { $ isValid = true ; if ( $ this -> props [ 'validate' ] ) { $ isValid = \ call_user_func ( $ this -> props [ 'validate' ] , $ this ) ; } return $ isValid ; }
docstring: Extend me to perform custom validation
  
  @return boolean valid?
docstring_tokens: Extend me to perform custom validation