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<?php spl_autoload_register('some_unknown_function',false); class_exists('AutoloadedClass');
Output for 8.1rc1 - rc3
Fatal error: Uncaught TypeError: spl_autoload_register(): Argument #1 ($callback) must be a valid callback or null, function "some_unknown_function" not found or invalid function name in /in/Fj7I1:3 Stack trace: #0 /in/Fj7I1(3): spl_autoload_register('some_unknown_fu...', false) #1 {main} thrown in /in/Fj7I1 on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.12
Fatal error: Uncaught TypeError: spl_autoload_register(): Argument #1 ($callback) must be a valid callback, function "some_unknown_function" not found or invalid function name in /in/Fj7I1:3 Stack trace: #0 /in/Fj7I1(3): spl_autoload_register('some_unknown_fu...', false) #1 {main} thrown in /in/Fj7I1 on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.25

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35.31 ms | 463 KiB | 5 Q