<?php
$d = new \DateTime('now', new \DateTimeZone('UTC'));
$d1 = new \DateTime('now');
if ($d1->getTimeZone()->getOffset($d1) === 0) {
echo '1';
}
var_dump($d->getTimeZone()->getOffset($d1));
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
int(0)