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    PHP checkdate() Function

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    Definition and Usage

    The checkdate() function is used to validate a Gregorian date.

    Syntax

    checkdate(month, day, year)

    Parameter Values

    Parameter Description
    month Required. Specifies the month as a number between 1 and 12
    day Required. Specifies the day as a number between 1 and 31
    year Required. Specifies the year as a number between 1 and 32767

    Technical Details

    Return Value: TRUE if the date is valid. FALSE otherwise
    PHP Version: 4.0+
    Example: PHP Date - checkdate() Function

    Check if several dates are valid Gregorian dates:

    <?php
var_dump(checkdate(12,31,-400));
echo "<br>";
var_dump(checkdate(2,29,2003));
echo "<br>";
var_dump(checkdate(2,29,2004));
?>

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    PHP Referrence: The PHP reference contains different categories of all PHP functions, keywords and constants, along with examples.

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  • Date/Time Functions
  • checkdate() Function
  • date_add() Function
  • date() Function
  • Exception Reference
  • Filesystem Functions
  • Filter Functions
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    Example files created in this segment:
    PHP Date - checkdate() Function PHP Date - date_add() Function