語(yǔ)法

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

演示代碼

<?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(jié)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

標(biāo)簽： 代碼

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