public static function filterFromPost()
{
if (!isset($_POST['filter'])) {
return '';
}
$name = $_POST['filter'];
if (!in_array($name, self::$listNames)) {
return '';
}
$list = new FieldList($name);
$listArrays = array();
foreach (self::$listNames as $listName) {
if ($listName == $name) {
continue;
}
$listArrays[] = $list->filteredArrayOf($listName);
}
return implode("\n", array_merge($listArrays[0], $listArrays[1]));
}