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<?php $arr = [ 'email' => [ "william.pool@gmail.com", "martynleeball@gmail.com" ], 'lastName' => [ 'Pool', 'Ball' ], 'firstName' => [ 'William', 'Martyn' ], 'id' => [ 'j8zwyk', '1' ] ]; $newArr = []; foreach($arr as $key=>$item){ foreach($item as $key2=>$item2) $newArr[$key2][$key] = $item2; } var_dump($newArr);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array(2) { [0]=> array(4) { ["email"]=> string(22) "william.pool@gmail.com" ["lastName"]=> string(4) "Pool" ["firstName"]=> string(7) "William" ["id"]=> string(6) "j8zwyk" } [1]=> array(4) { ["email"]=> string(23) "martynleeball@gmail.com" ["lastName"]=> string(4) "Ball" ["firstName"]=> string(6) "Martyn" ["id"]=> string(1) "1" } }

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