PHP 检查一年是否是闰年

Posted 2021-05-14

<?php
    /*
    Copyright (c) 2008, reusablecode.blogspot.com; some rights reserved.
    Thanks to Jim Mayes for showing me a more elegant solution.

    This work is licensed under the Creative Commons Attribution License. To view
    a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or
    send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
    94305, USA.
    */

    // Check if a year is a leap year.
    function isLeapYear($someYear)
    {
        return date("L", strtotime($someYear . "-01-01"));
    }
?>