Pimcore\Model\Element\Service::correctPath PHP Method

    public static function correctPath($path)
    {
        // remove trailing slash
        if ($path != "/") {
            $path = rtrim($path, "/ ");
        }
        // correct wrong path (root-node problem)
        $path = str_replace("//", "/", $path);
        if (strpos($path, "%") !== false) {
            $path = rawurldecode($path);
        }
        return $path;
    }

 /**
  * @static
  * @param $path
  * @return bool
  */
 public static function pathExists($path, $type = null)
 {
     $path = Element\Service::correctPath($path);
     try {
         $object = new AbstractObject();
         if (\Pimcore\Tool::isValidPath($path)) {
             $object->getDao()->getByPath($path);
             return true;
         }
     } catch (\Exception $e) {
     }
     return false;
 }