3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mas = (object) array('first'=>1, 'second'=>2); function f($m){ $m->first = 3; var_dump($m); return 'Done!'; } var_dump($mas); echo '============'; f($mas); echo ('----------'); var_dump($mas);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(stdClass)#1 (2) { ["first"]=> int(1) ["second"]=> int(2) } ============object(stdClass)#1 (2) { ["first"]=> int(3) ["second"]=> int(2) } ----------object(stdClass)#1 (2) { ["first"]=> int(3) ["second"]=> int(2) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(2) { ["first"]=> int(1) ["second"]=> int(2) } ============object(stdClass)(2) { ["first"]=> int(3) ["second"]=> int(2) } ----------object(stdClass)(2) { ["first"]=> int(1) ["second"]=> int(2) }

preferences:
241.21 ms | 402 KiB | 306 Q