php檢查日期函數checkdate用法執行個體_php技巧

本文執行個體講述了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中可以使用checkdate函數校正日期的正確性。

文法

integer checkdate (int %Month, int $Day, int $Year);

示範代碼

<?PHPecho "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";?>

輸出結果如下

2/29/1900 is not valid2/29/2000 is Valid2/29/2100 is not valid4/30/2008 is Valid4/31/2008 is not valid

希望本文所述對大家的php程式設計有所協助。