note 108917 added to function.array-diff-key

else one recursive variation. $a = ['one' => 0, 'two' => ['y' => 0, 'x' => ['e' => 0, 'a' => 0]]]; $b = ['one' => 0, 'two' => ['y' => 0, 'x' => ['e' => 0, 'g' => 0]]]; function array_diff_key_recursive($a1, $a2) { if (is_array($a2)) { $r = array_diff_key($a1, $a2); } else { return $a1; } foreach($a1 as $k => $v) { if (is_array($v)) { $r[$k] = array_diff_key_recursive($a1[$k], $a2[$k]); if (is_array($r[$k]) && count($r[$k])==0) unset($r[$k]); } } return $r; } ---- Server IP: 69.147.83.197 Probable Submitter: 188.32.243.216 ---- Manual Page -- http://www.php.net/manual/en/function.array-diff-key.php Edit -- https://master.php.net/note/edit/108917 Del: integrated -- https://master.php.net/note/delete/108917/integrated Del: useless -- https://master.php.net/note/delete/108917/useless Del: bad code -- https://master.php.net/note/delete/108917/bad+code Del: spam -- https://master.php.net/note/delete/108917/spam Del: non-english -- https://master.php.net/note/delete/108917/non-english Del: in docs -- https://master.php.net/note/delete/108917/in+docs Del: other reasons-- https://master.php.net/note/delete/108917 Reject -- https://master.php.net/note/reject/108917 Search -- https://master.php.net/manage/user-notes.php