php检查日期函数checkdate用法实例
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
希望本文所述对大家的php程序设计有所帮助。