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<?php $array = array(); $array['test'][74] = array('a' => 1); $array['test'][71] = array('d' => 2); $array['test'][72] = array('c' => 3); asort($array['test'][]); print_r($array);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: asort(): Argument #1 ($array) must be of type array, null given in /in/X3rdL:10 Stack trace: #0 /in/X3rdL(10): asort(NULL) #1 {main} thrown in /in/X3rdL on line 10
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 - 5.5.36, 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
Warning: asort() expects parameter 1 to be array, null given in /in/X3rdL on line 10 Array ( [test] => Array ( [74] => Array ( [a] => 1 ) [71] => Array ( [d] => 2 ) [72] => Array ( [c] => 3 ) [75] => ) )

preferences:
197.76 ms | 405 KiB | 346 Q