这篇文章主要介绍了php检查日期函数checkdate用法,实例分析了php中checkdate函数的使用技巧,非常具有实用价值,需要的朋友可以参考下
本文实例讲述了php检查日期函数checkdate用法。分享给大家供大家参考。具体分析如下：
php中可以使用checkdate函数校验日期的正确性。
语法
integer checkdate (int %month, int $day, int $year);
演示代码
<?php echo "2/29/1900"; checkdate (2, 29, 1900)?print " is valid":print " is not valid"; echo "\n"; echo "2/29/2000"; checkdate (2, 29, 2000)?print " is valid":print " is not valid"; echo "\n"; echo "2/29/2100"; checkdate (2, 29, 2100)?print " is valid":print " is not valid"; echo "\n"; echo "4/30/2008"; checkdate (4, 30, 2008)?print " is valid":print " is not valid"; echo "\n"; echo "4/31/2008"; checkdate (4, 31, 2008)?print " is valid":print " is not valid"; echo "\n"; ?>
输出结果如下
2/29/1900 is not valid 2/29/2000 is valid 2/29/2100 is not valid 4/30/2008 is valid 4/31/2008 is not valid
以上就是php检查日期checkdate()函数的用法的详细内容。