<?php
$intervalo = ( $date2 - $date1 ) / 60;
echo $intervalo;
PD9waHAKCiAgICAkZGF0ZTEgPSBzdHJ0b3RpbWUoICcwNC0xMC0yMDE2IDE1OjAwJyApOwogICAgJGRhdGUyID0gc3RydG90aW1lKCAnMDUtMTAtMjAxNiAxNjoxMCcgKTsKIAogCSRpbnRlcnZhbG8gPSAoICRkYXRlMiAtICRkYXRlMSApIC8gNjA7CgogCWVjaG8gJGludGVydmFsbzs=