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<?php //No error/warning, jay! spl_autoload_register(function ($class) { class Foo{}; var_dump(debug_backtrace([DEBUG_BACKTRACE_IGNORE_ARGS], 2)); }, true, true); $bar = new Foo();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: debug_backtrace(): Argument #1 ($options) must be of type int, array given in /in/Og2uR:6 Stack trace: #0 /in/Og2uR(6): debug_backtrace(Array, 2) #1 /in/Og2uR(9): {closure}('Foo') #2 {main} thrown in /in/Og2uR on line 6
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: debug_backtrace() expects parameter 1 to be int, array given in /in/Og2uR on line 6 NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: debug_backtrace() expects parameter 1 to be integer, array given in /in/Og2uR on line 6 NULL
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: debug_backtrace() expects parameter 1 to be long, array given in /in/Og2uR on line 6 NULL
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