<?php
$duracao = date( 'H:i:s', abs( $date2 - $date1 ) );
echo "INSERT INTO horarios VALUES ('$duracao')";
PD9waHAKCgkkZGF0ZTEgPSBzdHJ0b3RpbWUoICcxMC8wNC8yMDE2IDE1OjAzJyApOwoJJGRhdGUyID0gc3RydG90aW1lKCAnMTAvMDQvMjAxNiAxNjoyOCcgKTsKCQoJJGR1cmFjYW8gPSBkYXRlKCAnSDppOnMnLCBhYnMoICRkYXRlMiAtICRkYXRlMSApICk7CgkKCWVjaG8gIklOU0VSVCBJTlRPIGhvcmFyaW9zIFZBTFVFUyAoJyRkdXJhY2FvJykiOw==