php array group best

gistfile1.txt

$array = array(
    array(
        "type" => "a",
        "value" => 1
    ),
    array(
        "type" => "a",
        "value" => 2
    ),
    array(
        "type" => "a",
        "value" => 3
    ),
    array(
        "type" => "b",
        "value" => 1
    ),
    array(
        "type" => "b",
        "value" => 2
    ),array(
        "type" => "b",
        "value" => 4
    ),
    array(
        "type" => "f",
        "value" => 2
    )
);

foreach ($array as $element) 
    $newArray[$element["type"]][] = $element["value"];

var_export($newArray);