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PHP Date Time Tips - Part 2: Do you have a form that request date (such as birthday) from your user? How to check whether date input is valid or not?

You can use like this:

<?
// check date 29 feb 2007
// result: invalid
echo checkdate(29,2,2008) ? "Valid" : "Invalid";
?>

Series this article: PHP Date Time: Getting Current PHP Date Time: Checking Date Validity PHP Date Time: Formating Timestamp PHP Date Time: Converting Strings to Timestamps PHP Date Time: Using English-language time descriptors PHP Date Time: Checking Leap Years PHP Date Time: Finding The Number of Days in a Month PHP Date Time: Finding the Day in Year Number for a Date PHP Date Time: Finding The Number of Weeks in Year Number for a Date PHP Date Time: Finding the Day Name for a Date PHP Date Time: Finding The Total Number of Days in Year PHP Date Time: Finding The Total Number of Weeks in Year PHP Date Time: Converting Local Time to GMT PHP Date Time: Converting Between Different Time Zones PHP Date Time: Finding the Year Quarter for a Date PHP Date Time: Converting Minutes to Hours PHP Date Time: Comparing Dates Tag: date, date validity Category: PHP Basic Post : March 20th 2008 Read: 2,002 blog comments powered by Disqus