3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { private $a = 1; } class bar extends foo { private $a = 2; } class baz extends bar { public $a = 3; } $a = new baz(); var_dump($a);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(baz)#1 (3) { ["a":"foo":private]=> int(1) ["a":"bar":private]=> int(2) ["a"]=> int(3) }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
object(baz)#1 (3) { ["a"]=> int(3) ["a":"bar":private]=> int(2) ["a":"foo":private]=> int(1) }

preferences:
240.17 ms | 403 KiB | 291 Q