public styles ( string | null $style = null, array | boolean | null $definition = null ) : mixed | ||
$style | string | null | The style to get or create. |
$definition | array | boolean | null | The array definition of the style to change or create a style or false to remove a style. |
리턴 | mixed | If you are getting styles, the style or null will be returned. If you are creating/modifying styles true will be returned. |