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<?php set_error_handler("err"); function err($no, $str, $line, $file, $ctx) { var_dump($str, $ctx); } function from() { trigger_error("test", E_USER_NOTICE); } from();
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 ArgumentCountError: Too few arguments to function err(), 4 passed and exactly 5 expected in /in/jT6UT:5 Stack trace: #0 [internal function]: err(1024, 'test', '/in/jT6UT', 10) #1 /in/jT6UT(10): trigger_error('test', 1024) #2 /in/jT6UT(13): from() #3 {main} thrown in /in/jT6UT on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
string(4) "test" array(0) { }

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