Cocur\Slugify\SlugifyInterface::slugify PHP Method

    public function slugify($string, $options = null);

 /**
  * @param mixed $object
  * @param string $routeName #Route
  * @param string $separator
  * @param array $query
  *
  * @return string
  */
 public function generateObjectUrl($object, $routeName, $separator = '_', array $query = array())
 {
     $parameters = array();
     $accessor = PropertyAccess::createPropertyAccessor();
     $pattern = $this->router->getRouteCollection()->get($routeName)->getPath();
     if (preg_match_all('/\\{([a-z]+)\\}/', $pattern, $matches)) {
         foreach ($matches[1] as $holder) {
             $value = $accessor->getValue($object, $holder);
             if (!is_numeric($value)) {
                 $value = $this->slugify->slugify($value, $separator);
             }
             $parameters[$holder] = $value;
         }
     }
     return $this->router->generate($routeName, $parameters, $query);
 }