original_string: protected function padLeft(string $value, int $length): string
      {
          return str_pad($value, $length, '0', STR_PAD_LEFT);
      }
code: protected function padLeft(string $value, int $length): string
      {
          return str_pad($value, $length, '0', STR_PAD_LEFT);
      }
code_tokens: protected function padLeft ( string $ value , int $ length ) : string { return str_pad ( $ value , $ length , '0' , STR_PAD_LEFT ) ; }
docstring: Pad a string with zeros to the left.
  
  @param string $value  The string to be padded
  @param int    $length The length to pad
  
  @return string The padded string
docstring_tokens: Pad a string with zeros to the left .