CAllSocNetUserToGroup::GetById

static function GetById($id)
{
	if (!CSocNetGroup::__ValidateID($id))
	{
		return false;
	}

	$id = (int)$id;

	$res = CSocNetUserToGroup::GetList(
		[],
		[ 'ID' => $id ],
		false,
		false,
		[
			'ID',
			'ROLE', 'DATE_CREATE', 'DATE_UPDATE', 'INITIATED_BY_TYPE', 'INITIATED_BY_USER_ID', 'MESSAGE',
			'USER_ID',
			'GROUP_ID', 'GROUP_VISIBLE', 'GROUP_NAME',
		]
	);
	if ($relationFields = $res->fetch())
	{
		if (!empty($relationFields['GROUP_NAME']))
		{
			$relationFields['GROUP_NAME'] = Emoji::decode(htmlspecialcharsEx($relationFields['GROUP_NAME']));
		}

		return $relationFields;
	}

	return false;
}