/**
* Function to get order by
* return string $order_by - fieldname(eg: 'subject')
*/
function getOrderBy()
{
$log = vglobal('log');
$log->debug("Entering getOrderBy() method ...");
$use_default_order_by = '';
if (PerformancePrefs::getBoolean('LISTVIEW_DEFAULT_SORTING', true)) {
$use_default_order_by = $this->default_order_by;
}
if (isset($_REQUEST['order_by'])) {
$order_by = $this->db->sql_escape_string($_REQUEST['order_by']);
} else {
$order_by = $_SESSION['USERS_ORDER_BY'] != '' ? $_SESSION['USERS_ORDER_BY'] : $use_default_order_by;
}
$log->debug("Exiting getOrderBy method ...");
return $order_by;
}
