(PHP 4, PHP 5, PHP 7)
checkdate — 锟斤拷证一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
$month
, int $day
, int $year
) : bool锟斤拷锟斤拷刹锟斤拷锟斤拷锟斤拷傻锟斤拷锟斤拷诘暮戏锟斤拷浴锟斤拷锟斤拷每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷岜伙拷锟轿拷锟斤拷锟叫э拷摹锟�
monthmonth 锟斤拷值锟角达拷 1 锟斤拷 12锟斤拷
day
Day 锟斤拷值锟节革拷锟斤拷锟斤拷 month
锟斤拷应锟矫撅拷锟叫碉拷锟斤拷锟斤拷锟斤拷围之锟节ｏ拷锟斤拷锟斤拷锟窖撅拷锟斤拷锟角斤拷去锟剿★拷
yearyear 锟斤拷值锟角达拷 1 锟斤拷 32767锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫э拷蚍祷锟� TRUE锟斤拷锟斤拷锟津返伙拷
FALSE锟斤拷
Example #1 checkdate() 锟斤拷锟斤拷
<?php
var_dump(checkdate(12, 31, 2000));
var_dump(checkdate(2, 29, 2001));
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
bool(true) bool(false)