3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function bar($baz = null, $tab) {} } class Bar extends Foo { function bar($baz, $tab) {} }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Optional parameter $baz declared before required parameter $tab is implicitly treated as a required parameter in /in/MGjrF on line 5
Output for 8.0.0 - 8.0.30
Deprecated: Required parameter $tab follows optional parameter $baz in /in/MGjrF on line 5
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Bar has a deprecated constructor in /in/MGjrF on line 8
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33
preferences:
264.88 ms | 402 KiB | 330 Q