《PHP实例：php检查日期函数checkdate用法实例》要点：
本文介绍了PHP实例：php检查日期函数checkdate用法实例，希望对您有用。如果有疑问，可以联系我们。
PHP实战本文实例讲述了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实战php中可以使用checkdate函数校验日期的正确性.
PHP实战语法
PHP实战
integer checkdate (int %Month, int $Day, int $Year);
PHP实战演示代码
PHP实战
<?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";
?>
PHP实战输出结果如下
PHP实战
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
PHP实战希望本文所述对大家的php程序设计有所赞助.
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