php检查日期函数checkdate用法实例

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

  <?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";  ?>

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

希望本文所述对大家的php程序设计有所帮助。

php检查日期函数checkdate用法实例

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