3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo { function test($a, $b, $c) { array_map('extract', [['arr' => 123, 'func' => 123], []]); } test(1, 2, 3); } /*namespace { function test($a, $b, $c) { var_dump(call_user_func('func_get_args')); var_dump(call_user_func('get_defined_vars')); } test(1, 2, 3); }*/
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Cannot call extract() dynamically in /in/1rT6O:5 Stack trace: #0 [internal function]: extract(Array) #1 /in/1rT6O(5): array_map('extract', Array) #2 /in/1rT6O(7): Foo\test(1, 2, 3) #3 {main} thrown in /in/1rT6O on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Cannot call extract() dynamically in /in/1rT6O on line 5 Warning: Cannot call extract() dynamically in /in/1rT6O on line 5
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33

preferences:
241.62 ms | 402 KiB | 326 Q