<?php
$currentDate = new DateTime();
$targetDate = new DateTime('2015-03-05 11:11:11');
$interval = $currentDate->diff($targetDate);
// var_dump($interval); // Uncomment and isset will give the expected response
var_dump($interval->y);
var_dump($interval->m);
var_dump(isset($interval->y));
var_dump(isset($interval->m));
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(2)
int(5)
bool(true)
bool(true)