3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a; protected $b; private $c; } class B extends A {} $a = new A; $b = new B; $a->a = 1; $b->a = 2; var_dump($a == $b); var_dump($a === $b);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6
bool(false) bool(false)

preferences:
220.2 ms | 404 KiB | 227 Q