Build a cartesion array

cartesian.php

$attributeValues = [
    'color'     => ['Red', 'White', 'Blue'],
    'fabric'    => ['Cloth', 'Silk']
    'size'      => range(1, 4),
];

/**
 * Builds a Cartesian array based of sub array contents
 * 
 * @param $set
 * @return array
 */
$build = function ($set) USE (&$build) //pass $build by reference
{
    $result = [];
    if (! $set) return [ [] ]; //retVal: array of arrays
    foreach (array_shift($set) AS $v)
        foreach ($build($set)  AS $p)
        {
            array_unshift($p, $v);
            $result[] = $p;
        }
    return $result;
 };

print_r($build($attributeValues));

outputs

Array
(
    [0] => Array
        (
            [0] => Red
            [1] => Cloth
            [2] => 1
        )

    [1] => Array
        (
            [0] => Red
            [1] => Cloth
            [2] => 2
        )

    [2] => Array
        (
            [0] => Red
            [1] => Cloth
            [2] => 3
        )

    [3] => Array
        (
            [0] => Red
            [1] => Cloth
            [2] => 4
        )

    [4] => Array
        (
            [0] => Red
            [1] => Silk
            [2] => 1
        )

    [5] => Array
        (
            [0] => Red
            [1] => Silk
            [2] => 2
        )

    [6] => Array
        (
            [0] => Red
            [1] => Silk
            [2] => 3
        )

    [7] => Array
        (
            [0] => Red
            [1] => Silk
            [2] => 4
        )

    [8] => Array
        (
            [0] => White
            [1] => Cloth
            [2] => 1
        )

    [9] => Array
        (
            [0] => White
            [1] => Cloth
            [2] => 2
        )

    [10] => Array
        (
            [0] => White
            [1] => Cloth
            [2] => 3
        )

    [11] => Array
        (
            [0] => White
            [1] => Cloth
            [2] => 4
        )

    [12] => Array
        (
            [0] => White
            [1] => Silk
            [2] => 1
        )

    [13] => Array
        (
            [0] => White
            [1] => Silk
            [2] => 2
        )

    [14] => Array
        (
            [0] => White
            [1] => Silk
            [2] => 3
        )

    [15] => Array
        (
            [0] => White
            [1] => Silk
            [2] => 4
        )

    [16] => Array
        (
            [0] => Blue
            [1] => Cloth
            [2] => 1
        )

    [17] => Array
        (
            [0] => Blue
            [1] => Cloth
            [2] => 2
        )

    [18] => Array
        (
            [0] => Blue
            [1] => Cloth
            [2] => 3
        )

    [19] => Array
        (
            [0] => Blue
            [1] => Cloth
            [2] => 4
        )

    [20] => Array
        (
            [0] => Blue
            [1] => Silk
            [2] => 1
        )

    [21] => Array
        (
            [0] => Blue
            [1] => Silk
            [2] => 2
        )

    [22] => Array
        (
            [0] => Blue
            [1] => Silk
            [2] => 3
        )

    [23] => Array
        (
            [0] => Blue
            [1] => Silk
            [2] => 4
        )

)