function _dbFree($result, $dbKey = null)
{
if ($dbKey === true) {
$dbKey = "core";
} elseif ($dbKey == null) {
$dbKey = Database::getKeyForQuery($result);
}
if (Database::isOpen($dbKey)) {
return Database::dbConnection($dbKey)->free($result);
} else {
return false;
}
}
