- date_diff: documentation ( source)
- date_create: documentation ( source)
- print_r: documentation ( source)
<?php
$datetime1 = date_create('2014-09-24 11:30:00');
$datetime2 = date_create('2014-09-26 12:35:00');
$interval = date_diff($datetime1, $datetime2);
print_r($interval);