3v4l.org

run code in 500+ PHP versions simultaneously
<?php $obj = new stdClass; $a = $obj; $a->foo = 'foo'; var_dump($obj === $a); var_dump($obj);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(true) object(stdClass)#1 (1) { ["foo"]=> string(3) "foo" }
preferences:
85.17 ms | 1107 KiB | 4 Q