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<?php function test($a, $b){ echo 111; } call_user_func('test', 1);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function test(), 1 passed in /in/XVVmt on line 6 and exactly 2 expected in /in/XVVmt:2 Stack trace: #0 /in/XVVmt(6): test(1) #1 {main} thrown in /in/XVVmt on line 2
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 2 for test(), called in /in/XVVmt on line 6 and defined in /in/XVVmt on line 2 111
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: Missing argument 2 for test() in /in/XVVmt on line 2 111

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