castopod/modules/Media/Helpers/url_helper.php

<?php

declare(strict_types=1);

use CodeIgniter\HTTP\URI;
use Modules\Media\Config\Media;

if (! function_exists('media_url')) {
    /**
     * Returns a media URL as defined by the Media config.
     *
     * @param array|string $relativePath URI string or array of URI segments
     */
    function media_url($relativePath = '', ?string $scheme = null): string
    {
        // Convert array of segments to a string
        if (is_array($relativePath)) {
            $relativePath = implode('/', $relativePath);
        }

        $uri = new URI(rtrim(config(Media::class)->baseURL, '/') . '/' . ltrim($relativePath));

        return URI::createURIString(
            $scheme ?? $uri->getScheme(),
            $uri->getAuthority(),
            $uri->getPath(),
            $uri->getQuery(),
            $uri->getFragment()
        );
    }
}