3v4l.org

run code in 300+ PHP versions simultaneously
<?php function modifyObj($obj) { $obj->a = 'Hello world'; $obj->b = 'Something new'; } $obj = new StdClass(); $obj->a = 'Hello'; modifyObj($obj); var_dump($obj);
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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
object(stdClass)#1 (2) { ["a"]=> string(11) "Hello world" ["b"]=> string(13) "Something new" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(1) { ["a"]=> string(5) "Hello" }

preferences:
306.82 ms | 402 KiB | 424 Q