/**
* Get the grounds available for filtering, and if the ground parameter is in the query string apply ground filter
* @param StatisticsManager $statistics_manager
*/
public static function SupportGroundFilter(StatisticsManager $statistics_manager)
{
$filter_data = array(array(), null, "");
$filter_data[0] = $statistics_manager->ReadGroundsForFilter();
if (isset($_GET['ground']) and is_numeric($_GET['ground'])) {
if (array_key_exists($_GET['ground'], $filter_data[0])) {
$statistics_manager->FilterByGround(array($filter_data[0][$_GET['ground']]->GetId()));
$filter_data[1] = $filter_data[0][$_GET['ground']]->GetId();
$filter_data[2] = "at " . $filter_data[0][$_GET['ground']]->GetNameAndTown() . " ";
}
}
return $filter_data;
}
