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<?php define('VOID', INF); function ifsetter(&$mElement, $mDefault = '') { if (!isset($mElement) OR $mElement === VOID){ $mElement = $mDefault; } return $mElement; } $t = []; echo ifsetter($t['aaa'], 'hello'); // return 'hello' and set $t['aaa'] = 'hello';
Output for git.master, git.master_jit, rfc.property-hooks
hello

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