3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { } function a($input) { $input->bar = 'a'; } function b($input) { $input->baz = 'b'; } $stuff = new foo(); a($stuff); b($stuff); var_dump($stuff);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property foo::$bar is deprecated in /in/4OARu on line 9 Deprecated: Creation of dynamic property foo::$baz is deprecated in /in/4OARu on line 14 object(foo)#1 (2) { ["bar"]=> string(1) "a" ["baz"]=> string(1) "b" }
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 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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, 8.1.0 - 8.1.28
object(foo)#1 (2) { ["bar"]=> string(1) "a" ["baz"]=> string(1) "b" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(foo)(0) { }
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264.54 ms | 402 KiB | 372 Q