gistfile1.php

<namespace App\Routing\Route;

use Cake\Routing\Route\Route;
use Cake\ORM\TableRegistry;

class AdRoute extends Route 
{
    public function parse($url)             
    {
        $params = parent::parse($url);
        
        if (empty($params)) 
        {
            return false;
        }
        
        $result = TableRegistry::get('Ads')
            ->find()
            ->select(['id'])
            ->where(['url' => $url])
            ->first();
        
        if (!$result)
        {
            return false;
        } 
        
        return $params;
    }
}