<?php
/**
* 求两个日期之间相差的天数
* (针对1970年1月1日之后，求之前可以采用泰勒公式)
* @param string $day1
* @param string $day2
* @return number
*/
function diffBetweenTwoDays ($day1, $day2)
{
$second1 = strtotime($day1);
$second2 = strtotime($day2);
if ($second1 < $second2) {
$tmp = $second2;
$second2 = $second1;
$second1 = $tmp;
}
return ($second1 - $second2) / 86400;
}
$day1 = "2018-03-27";
$day2 = "2018-03-04";
$diff = diffBetweenTwoDays($day1, $day2);
echo $diff."\n";查看运行结果：http://tool.apizl.com/dev/runCode/1fcfb94e4570afc23737d7d313d87b6c.html
关键字词:
