Online PHP editor | output for QoFkr

@ 2018-03-14T18:22:47Z

<?php

class User
{
    public $address;
}

class Address
{
    public $street;
}

$address = new Address();
$address->street = 'Street';

$user = new User();
$user->address = $address;

$user2 = new User();

echo $user->address->street ?? '';
echo $user2->address->street ?? '';

var_dump(isset($user->address->street->number->etc));

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6: Streetbool(false)
Output for 8.3.5: 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 Streetbool(false)

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