《PHP實例：php檢查日期函數checkdate用法實例》要點：
本文介紹了PHP實例：php檢查日期函數checkdate用法實例，希望對您有用。如果有疑問，可以聯系我們。
PHP實戰本文實例講述了php檢查日期函數checkdate用法.分享給大家供大家參考.具體分析如下：
PHP實戰php中可以使用checkdate函數校驗日期的正確性.
PHP實戰語法
PHP實戰
integer checkdate (int %Month, int $Day, int $Year);
PHP實戰演示代碼
PHP實戰
<?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實戰輸出結果如下
PHP實戰
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實戰希望本文所述對大家的php程序設計有所贊助.
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