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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
integer checkdate (int %Month, int $Day, int $Year);
演示代码
<"2/29/1900"; checkdate (2, 29, 1900)" is Valid":print " is not valid"; echo "\n"; echo "2/29/2000"; checkdate (2, 29, 2000)" is Valid":print " is not valid"; echo "\n"; echo "2/29/2100"; checkdate (2, 29, 2100)" is Valid":print " is not valid"; echo "\n"; echo "4/30/2008"; checkdate (4, 30, 2008)" is Valid":print " is not valid"; echo "\n"; echo "4/31/2008"; checkdate (4, 31, 2008)" is Valid":print " is not valid"; echo "\n"; "htmlcode">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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