3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (object) ["a" => "b"]; $b = (object) ["a" => "c"]; var_dump($a); ?>
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 - 8.3.6
object(stdClass)#1 (1) { ["a"]=> string(1) "b" }
preferences:
190.93 ms | 404 KiB | 183 Q