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<?php $array = [ 1 => [ 1 => 1, 2 => 2 ], 2 => [ 1 => 1, 2 => 2 ], 3 => [ 1 => 1 ] ]; print_r($array); $array = array_values($array); print_r($array);

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39.05 ms | 402 KiB | 5 Q