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<?php $users = [ ['id' => 'test'] , ['id' => 'test2' ] ]; var_dump(array_column($users , 'id'));
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> string(4) "test" [1]=> string(5) "test2" }
preferences:
113.87 ms | 402 KiB | 89 Q