Kasus array

embuh.php

$sepatuVarian = [
    'KTK001',
    'KTK002',
    'KTK003',
    'KTK004',
    'KTK005',
    'KTK006'
];

$varians = [
    'size' => [
        's',
        'm',
        'l',
        'xl',
    ],
    'color' => [
        'merah',
        'kuning',
        'hijau',
        'biru',
    ]
];