wildcard routing to controller in Laravel 5.7

WildcardHelperFunction.php

<?php 
// taken from: https://laravel-tricks.com/tricks/wildcard-routing-setup as of January 16, 2019 11:12 AM 
// This trick has been superseded by Laravel Sketchpad
// https://github.com/davestewart/laravel-sketchpad
// tested working for Laravel 5.7

/**
 * Wildcard routing function
 *
 * @param   \Illuminate\Routing\Router $routeObject as the router instance
 *          when calling from \routes\web.php, usage:
 *          MyHelper::wildcard($this, 'test', 'Test\MyBaseController')
 * 
 * @param   string          $route          Base route, i.e. 'test'
 * @param   string          $controller     Path to controller, i.e. 'TestController'
 * @param   string|array    $verbs          Optional Route verb(s), i.e. 'get'; defaults to ['get', 'post']

 * @usage   wildcard('test', 'TestController');
 * @usage   wildcard('test', 'TestController', ['get']);
 * @usage   wildcard('test', 'Test\TestController');
 * 
 * @example http://localhost/test/hello/world
 * @example http://localhost/test/goodbye/world
 * @example http://localhost/test/foo/1/2/3
 *
 * @author  Dave Stewart | [email protected]
 */
static function wildcard(\Illuminate\Routing\Router $routeObject, $route, $controller, $verbs = ['get', 'post'])
{
  // variables
  $stack      = $routeObject->getGroupStack();
  $namespace  = end($stack)['namespace'];
  $controller = $namespace . '\\' . $controller;

  // routing
  $routeObject->match($verbs, rtrim($route, '/') . '/{method}/{params?}', function($method, $params = null) use ($route, $controller)
  {
    // method
    $callable = $controller . '@' . $method;

    // call
    if($params)
    {
      // variables
      $values     = explode('/', $params);
      $ref        = new \ReflectionMethod($controller, $method);
      $params     = $ref->getParameters();
      $args       = [];

      // map route segments to the method's parameters
      foreach ($params as /** @var \ReflectionParameter */ $param)
      {
        // parse signature [match, optional, type, name, default]
        preg_match('/<(required|optional)> (?:([\\\\a-z\d_]+) )?(?:\\$(\w+))(?: = (\S+))?/i', (string) $param, $matches);

        // assign untyped segments
        if($matches[2] == null)
        {
          $args[$matches[3]] = array_shift($values);
        }
      }

      // append any remaining values
      $values = array_merge($args, $values);

      // call
      return \App::call($callable, $values);
    }
    else
    {
      return \App::call($callable);
    }

  })->where('params', '.*');
}

my implementation