Laravel middleware that keeps utm marks while redirect

KeepUTMRedirect.php

<?php
// This middleware save utm query from url while redirect
// It's require Spatie\Url (https://github.com/spatie/url)

namespace App\Http\Middleware;

use Closure;
use Spatie\Url\Url;

class KeepUTMRedirect
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $response = $next($request);

        // if response is redirect
        if ($response instanceof \Illuminate\Http\RedirectResponse) {

            // Collect utm marks
            $utm = $request->only([
                'utm_source',
                'utm_medium',
                'utm_campaign',
                'utm_term',
                'utm_content'
            ]);

            // Parse url
            $url = Url::fromString($response->getTargetUrl());

            // Add utm marks to url
            foreach ($utm as $key => $value) {
                $url = $url->withQueryParameter($key, $value);
            }

            $response->setTargetUrl((string)$url);
        }

        return $response;
    }
}