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<?php $array = [ ['key' => 1], ['key' => 2], ['key' => 3], ['key' => 1], ['key' => 2], ['key' => 3], ['key' => 4], ['key' => 5], ['key' => 6] ]; var_export(array_values(array_column($array, 'key', 'key')));
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => 1, 1 => 2, 2 => 3, 3 => 4, 4 => 5, 5 => 6, )
preferences:
56.43 ms | 1018 KiB | 4 Q