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<?php $array = []; if (@$array[elm]) { echo 'foo'; } if (@$array[$elm]) { echo 'foo'; } if (!empty($array[$elm])) { echo 'foo'; } if ($array[$elm] ?? false) { echo 'foo'; }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "elm" in /in/tgXRG:5 Stack trace: #0 {main} thrown in /in/tgXRG on line 5
Process exited with code 255.

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