original_string: static function addInstance($object){
  		$name = str_replace(DS,'.',get_class($object));
  		self::$instance[$name] = $object;
  	}
code: static function addInstance($object){
  		$name = str_replace(DS,'.',get_class($object));
  		self::$instance[$name] = $object;
  	}
code_tokens: static function addInstance ( $ object ) { $ name = str_replace ( DS , '.' , get_class ( $ object ) ) ; self :: $ instance [ $ name ] = $ object ; }
docstring: add push instance class
  
  @param object class
  @return void
docstring_tokens: add push instance class