day-of-week:星期几图书馆

星期几 星期几图书馆 用法 请先阅读的文档。 use Hrevert \ Day \ Day ; /** @var Day */ $ day = Day :: get ( Day :: MONDAY ); // or $day = Day::MONDAY(); // or $day = Day::getByName('MONDAY'); // or $day = Day::getByOrdinal(1); i.e. find by ISO-8601 numeric representation of day /** @var Day */ $ today = Day :: getToday (); use Hrevert \ Day \ Day ; use Hrevert \ Day \ DayCollection ; $ days = new DayCollection ([