3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function test() { echo 'Ok!<br>'; } } $bar = ['test']; Foo::{$bar[0]}(); (Foo::$bar)[0]();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Ok!<br> Fatal error: Uncaught Error: Access to undeclared static property Foo::$bar in /in/hheZj:14 Stack trace: #0 {main} thrown in /in/hheZj on line 14
Process exited with code 255.
Output for 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
Ok!<br> Fatal error: Uncaught Error: Access to undeclared static property: Foo::$bar in /in/hheZj:14 Stack trace: #0 {main} thrown in /in/hheZj on line 14
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '[' in /in/hheZj on line 14
Process exited with code 255.

preferences:
175.29 ms | 402 KiB | 256 Q