php检查日期函数checkdate用法实例_PHP教程

1

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

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

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";

?>

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