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php检查日期函数checkdate使用示例

程序员文章站 2022-04-09 19:29:36
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语法

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

演示代码

  1. echo "2/29/1900";
  2. checkdate (2, 29, 1900)?print " is Valid":print " is not valid";
  3. echo "\n";
  4. echo "2/29/2000";
  5. checkdate (2, 29, 2000)?print " is Valid":print " is not valid";
  6. echo "\n";
  7. echo "2/29/2100";
  8. checkdate (2, 29, 2100)?print " is Valid":print " is not valid";
  9. echo "\n";
  10. echo "4/30/2008";
  11. checkdate (4, 30, 2008)?print " is Valid":print " is not valid";
  12. echo "\n";
  13. echo "4/31/2008";
  14. checkdate (4, 31, 2008)?print " is Valid":print " is not valid";
  15. echo "\n";
  16. ?>
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