- date_diff: documentation ( source)
- date_create: documentation ( source)
- var_export: documentation ( source)
<?php
$from_date = "2014-04-30";
$to_date = "2014-05-16";
$date1=date_create($from_date);
$date2=date_create($to_date);
$diff=date_diff($date1,$date2);
var_export($diff);
$datetime1 = new DateTime($from_date);
$datetime2 = new DateTime($to_date);
$interval = $datetime1->diff($datetime2);
var_export($interval);