php gets the number of days difference between a given date

This article mainly introduces the method of obtaining the number of days difference between a given date in PHP. It analyzes two calculation methods of the number of days difference between two dates in the form of specific examples. It involves related operation skills of PHP date string conversion. Friends in need can refer to it. Next

The example in this article describes the method of obtaining the number of days difference between a given date in PHP. Share it with everyone for your reference, the details 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

Related recommendations:

PHP Get a certain period of the current day

PHP Get Last week, this week, last month, this month, this quarter, last quarter time method

php Get some time implementation method practice

The above is the detailed content of php gets the number of days difference between a given date. For more information, please follow other related articles on the PHP Chinese website!