在php中查找时间差异

vel*_*rai -1 php time timestamp

我需要找到2个时间戳值之间的差异,如何计算它

$time1 ='2016-08-31T07:00:00';
$time2 ='2016-08-31T08:45:00';

I need output time value as 1h 45m 
Run Code Online (Sandbox Code Playgroud)

如何获得所需的输出

Sae*_* M. 6

<?php
$time1 ='2016-08-31T07:00:00';
$time2 ='2016-08-31T08:45:00';
$d = strtotime($time2) - strtotime($time1);
echo gmdate("g", $d),'h ',gmdate('i',$d),'m ';
Run Code Online (Sandbox Code Playgroud)