$this->buildVersion = preg_replace('/^(\d{1,2}\.\d{1,2})\.(\d{1,2}|\w{4,7})$/i', '$1', $this->db_version);
if (isset($argVersion)) {
// change the version to that explicitly passed, if any
$this->buildVersion = preg_replace('/^(\d{1,2}\.\d{1,2})\.(\d{1,2}|\w{4,7})$/i', '$1', $this->db_version);
if (isset($argVersion)) {
// change the version to that explicitly passed, if any