<?php
$creationTime = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2017-07-10 10:00:00');
$expirationTime = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2017-07-10 11:00:00');
$time = $creationTime->diff($expirationTime);
var_dump($time->format('s'));
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
- string(1) "s"
preferences:
164.83 ms | 403 KiB | 204 Q