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<?php $oldArray = [ 0 => ['id' => 5, 'value' => 50], 1 => ['id' => 6, 'value' => 60], 2 => ['id' => 7, 'value' => 70], ]; $newArray = array_column($oldArray, 'value', 'id'); array_walk($newArray, function(&$value) { $value = ['value' => $value]; }); var_dump($newArray);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [5]=> array(1) { ["value"]=> int(50) } [6]=> array(1) { ["value"]=> int(60) } [7]=> array(1) { ["value"]=> int(70) } }

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