/** * Get object foreign keys * * @return array */ public function getOrmForeignKeys() { if (!self::$_foreignKeys) { return array(); } $data = $this->_objectConfig->getForeignKeys(); $keys = array(); if (!empty($data)) { foreach ($data as $item) { $keyName = md5(implode(':', $item)); $keys[$keyName] = $item; } } return $keys; }