php检查日期函数checkdate使用示例

语法 integer checkdate (int %Month, int $Day, int $Year); 演示代码 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"; ?> 复制代码 输出结果如下 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, checkdate