original_string: public function deleteSufix($sufix)
      {
          if ($this->endWith($sufix) === true) {
              return substr($this->str, 0, -strlen($sufix));
          }
  
          return $this->str;
      }
code: public function deleteSufix($sufix)
      {
          if ($this->endWith($sufix) === true) {
              return substr($this->str, 0, -strlen($sufix));
          }
  
          return $this->str;
      }
code_tokens: public function deleteSufix ( $ sufix ) { if ( $ this -> endWith ( $ sufix ) === true ) { return substr ( $ this -> str , 0 , - strlen ( $ sufix ) ) ; } return $ this -> str ; }
docstring: Deletes a sufix of the string.
  
  @param string $sufix The sufix
  
  @return string The string without sufix
docstring_tokens: Deletes a sufix of the string .