<?php
class Time {
public function calculate(DateTime $lockDT)
{
$lockDT->add(new DateInterval('PT10S'));
$diff = $lockDT->diff(new DateTime());
var_dump($diff->format('Y-m-d'));
}
}
$t = new Time();
$t->calculate(new DateTime('2017-01-01'));
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
string(5) "Y-m-d"