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<?php $array = []; if (@$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
Warning: Undefined variable $elm in /in/1Z4Od on line 9 Warning: Undefined variable $elm in /in/1Z4Od on line 13

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