How to get the number of days difference between a given date in php

This article mainly introduces the method of obtaining the number of days difference between a given date in PHP. It analyzes two methods of calculating the number of days difference between dates based on specific examples. It involves related operation skills of PHP date string conversion. Friends in need can refer to it. The details below are as follows:

Method 1:

##

<?php
function count_days($a,$b){
 $a_dt=getdate($a);
 $b_dt=getdate($b);
 $a_new=mktime(12,0,0,$a_dt[&#39;mon&#39;],$a_dt[&#39;mday&#39;],$a_dt[&#39;year&#39;]);
 $b_new=mktime(12,0,0,$b_dt[&#39;mon&#39;],$b_dt[&#39;mday&#39;],$b_dt[&#39;year&#39;]);
 return round(abs($a_new-$b_new)/86400);
}
//今天与2017年8月26日相差多少天
$date1=strtotime(date("Y-m-d"));
$date2=strtotime(&#39;2017-8-26&#39;);
$result=count_days($date1,$date2);
echo $result;
?>

Running results: 187

Method 2:

<?php
//今天与2017年8月26日相差多少天
$Date_1=date("Y-m-d");
$Date_2="2017-8-26";
$d1=strtotime($Date_1);
$d2=strtotime($Date_2);
$Days=round(($d2-$d1)/3600/24);
echo "今天与2017年8月26日相差".$Days."天";
?>

Run result:

今天与2017年8月26日相差187天

The above is the entire content of this article, I hope it will be helpful to everyone's study.

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