- var_dump: documentation ( source)
- time: documentation ( source)
<?php
$passwordDate = time() - 60;
$passwordDate = new \DateTime("@".$passwordDate);
$passwordDate->setTimezone(new \DateTimeZone('America/Chicago'));
$now = new \DateTime("now", new \DateTimeZone('America/Chicago'));
$now->setTimezone(new \DateTimeZone('America/Chicago'));
var_dump($now->diff($passwordDate)->format("%a"));