03c02-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 18 行

<?php
// Set the default timezone to US/Eastern
date_default_timezone_set('US/Eastern');

// Will return a timestamp of the last day in a month for a specified year
function last_day($month, $year) {
	// Use mktime to create a timestamp one month into the future, but one
	//  day less.  Also make the time for almost midnight, so it can be
	//  used as an 'end of month' boundary
	return mktime(23, 59, 59, $month + 1, 0, $year);
}

// Determine the last day for February, 2006
$stamp = last_day(2, 2006);

// Output the result, it will be: 28
echo '<p>The last day for February in 2006 is: ', date('d', $stamp) ,'</p>';
?>