Helper::createTreeFromGroups

static function createTreeFromGroups($flatGroups)
{
	$result = array();

	foreach($flatGroups as $groupId => $groupParams)
	{
		if(intval($groupParams["PARENT_ID"]) <= 0)
		{
			$groupParams["LEVEL"] = 1;
			$groupParams["NAME"] = " . ".$groupParams["NAME"];
			$result[$groupId] = $groupParams;
		}
		else
		{
			$groupParams["LEVEL"] = $result[$groupParams["PARENT_ID"]]["LEVEL"]+1;
			$groupParams["NAME"] = str_repeat(" . ", $groupParams["LEVEL"]+1).$groupParams["NAME"];
			$result[$groupId] = $groupParams;
		}
	}
	return $result;
}