original_string: public function convert($data)
      {
          if (empty($data) || ($out = @serialize($data)) === false)
              return null;
  
          return $out;
      }
code: public function convert($data)
      {
          if (empty($data) || ($out = @serialize($data)) === false)
              return null;
  
          return $out;
      }
code_tokens: public function convert ( $ data ) { if ( empty ( $ data ) || ( $ out = @ serialize ( $ data ) ) === false ) return null ; return $ out ; }
docstring: Converts some input to a serialized string
  
  @param mixed $data Input as an array, String, Object, and so on
  @return null|string null at fault, string on success
docstring_tokens: Converts some input to a serialized string