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PHP Date Time: Checking Date Validity

Tag: date, date validity   Category: PHP Basic
post: 20 Mar 2008 read: 825


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

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