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<?php $oldArr = [ ['sno' => 'q3', 'result' => '15'], ['sno' => 'q1', 'result' => '5'], ['sno' => 'q2', 'result' => '10'] ]; $newArr = array_reduce($oldArr, function($carry, $item){ $carry[$item["sno"]] = $item["result"]; return $carry; }); var_dump($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 - 8.3.25, 8.4.1 - 8.4.12
array(3) { ["q3"]=> string(2) "15" ["q1"]=> string(1) "5" ["q2"]=> string(2) "10" }
preferences:
137.61 ms | 408 KiB | 5 Q