/**
  * @param      $class
  * @param      $criteria
  * @param bool $cacheFlag
  *
  * @return array
  */
 public static function getObject($class, $criteria, $cacheFlag = true)
 {
     if (is_array($criteria)) {
         $criteria = self::$modx->newQuery($class, $criteria);
     }
     /** @var xPDOObject $object */
     $object = self::$modx->getObject($class, $criteria, $cacheFlag);
     return $object ? $object->toArray() : array();
 }