3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function f() { echo 'jo'; } } A->f();
Output for 8.1.23 - 8.1.27, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "A" in /in/APLcZ:8 Stack trace: #0 {main} thrown in /in/APLcZ on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/APLcZ on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/APLcZ on line 8
Process exited with code 255.
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81.83 ms | 401 KiB | 80 Q