3v4l.org

run code in 300+ PHP versions simultaneously
<?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);

preferences:
24.72 ms | 406 KiB | 5 Q