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mcal_is_leap_year — Returns true if year is a leap year, false if not


bool mcal_is_leap_year(year);
int year: The year to check


TRUE if year is a lear year, FALSE otherwise


Certain functions such as mcal_days_in_month() require you to know whether or not the current year is a leap year. This function gives you a way to dynamically determine that.


PHP 3 since 3.0.13, PHP 4 since 4.0b4


Example 724. Using mcal_is_leap_year() inside mcal_days_in_month() calls

$year = 2002;

echo "There are: ";
echo mcal_days_in_month($month, mcal_is_leap_year($year));
echo " days in February during " . $year;

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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