PHP ʖ²ἯTH º󍋼/A checkdate ˵÷ year µĖµʇ´Ӡ1 µ½ 32767 month µĖµʇ´Ӡ1 µ½ 12 º󍋼/A ưµ㼯A ʱ¼䈕ƚº¯ʽ¿⼯TD ɏһ¼¶ date