Online PHP editor | output for 6dpQY

@ 2017-08-11T14:03:10Z

<?php

$data = [
    'Colour' => [
        'Red' => 'Red',
        'Blue' => 'Blue',
    ],
    'Size' => [
        'Small' => 'Small',
        'Medium' => 'Medium',
        'Large' => 'Large',
    ],
    'Brand' => [
        'Nike' => 'Nike',
        'Adidas' => 'Adidas',
    ],
];

$combined = [];

foreach ($data['Colour'] as $colour) {
    foreach ($data['Brand'] as $brand) {
        foreach ($data['Size'] as $size) {
            $combined[] = implode(' - ', [
                $colour,
                $size,
                $brand
            ]);
        }
    }
}

var_dump($combined);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13: array(12) { [0]=> string(18) "Red - Small - Nike" [1]=> string(19) "Red - Medium - Nike" [2]=> string(18) "Red - Large - Nike" [3]=> string(20) "Red - Small - Adidas" [4]=> string(21) "Red - Medium - Adidas" [5]=> string(20) "Red - Large - Adidas" [6]=> string(19) "Blue - Small - Nike" [7]=> string(20) "Blue - Medium - Nike" [8]=> string(19) "Blue - Large - Nike" [9]=> string(21) "Blue - Small - Adidas" [10]=> string(22) "Blue - Medium - Adidas" [11]=> string(21) "Blue - Large - Adidas" }

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