php检查日期函数checkdate用法实例_php教程

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

1	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。

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