3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A extends StdClass {} function foo(callable $class) { print get_class($class); } $a = new A(); foo($a);
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
Fatal error: Uncaught TypeError: foo(): Argument #1 ($class) must be of type callable, A given, called in /in/eKuqX on line 8 and defined in /in/eKuqX:5 Stack trace: #0 /in/eKuqX(8): foo(Object(A)) #1 {main} thrown in /in/eKuqX on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be callable, object given, called in /in/eKuqX on line 8 and defined in /in/eKuqX:5 Stack trace: #0 /in/eKuqX(8): foo(Object(A)) #1 {main} thrown in /in/eKuqX on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be callable, object given, called in /in/eKuqX on line 8 and defined in /in/eKuqX on line 5
Process exited with code 255.

preferences:
163.33 ms | 402 KiB | 200 Q