/**
* Filter and sort the client history.
* @param array $history
* @return array
*/
public static function filter_client_history($history = array())
{
$show_per_page = apply_filters('sc_client_history_records', 25);
self::$total_pages = count($history) / $show_per_page;
self::$current_page = isset($_REQUEST['history_page']) ? (int) $_REQUEST['history_page'] : 1;
$start = self::$current_page > 1 ? self::$current_page * $show_per_page : 0;
$history = array_slice($history, $start, $show_per_page, TRUE);
krsort($history);
return $history;
}