這篇文章主要介紹了php檢查日期函數checkdate用法,實例分析了php中checkdate函數的使用技巧,非常具有實用價值,需要的朋友可以參考下
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中可以使用checkdate函數校驗日期的正確性。
語法
? 1 integer checkdate (int %Month, int $Day, int $Year);演示代碼
? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 <?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"; ?>輸出結果如下
? 1 2 3 4 5 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希望本文所述對大家的php程序設計有所幫助。