Upload USDZ/Reality files for AR Quick Look to WordPress

ar-quick-look.php

<?php

/**
 * Plugin Name: Upload AR Quick Look files
 * Description: Upload AR Quick Look files (usdz or reality) to your WordPress media library.
 * Author:      Alexander Goller
 * Author URI:  https://alexandergoller.com
 */

$arMimes = [
    'usdz'    => 'model/vnd.usdz+zip|application/octet-stream|model/x-vnd.usdz+zip',
    'reality' => 'model/vnd.reality|application/octet-stream|model/x-vnd.reality',
];

add_filter('wp_check_filetype_and_ext', function (array $data, string $file, string $filename, $mimes) use ($arMimes): array {
    if ( ! empty($data['ext']) && ! empty($data['type'])) {
        return $data;
    }
    $filetype = wp_check_filetype($filename, $mimes);
    if ( ! array_key_exists($filetype['ext'], $arMimes)) {
        return $data;
    }

    return [
        'ext'             => $filetype['ext'],
        'type'            => $filetype['type'],
        'proper_filename' => $data['proper_filename'],
    ];
}, 10, 4);

add_filter('upload_mimes', function (array $mimeTypes) use ($arMimes): array {
    if (array_key_exists('usdz', $mimeTypes)) {
        return $mimeTypes;
    }

    foreach ($arMimes as $ext => $mime) {
        $mimeTypes[$ext] = $mime;
    }

    return $mimeTypes;
});