Util::getAttendees

static function getAttendees(array $codeAttendees = null, string $stringWrapper = ''): array
{
	if (empty($codeAttendees))
	{
		return [];
	}

	$userIdList = [];
	$userList = [];

	foreach ($codeAttendees as $codeAttend)
	{
		if (mb_strpos($codeAttend, 'U') === 0)
		{
			$userId = (int)(mb_substr($codeAttend, 1));
			$userIdList[] = $userId;
		}
	}

	if (!empty($userIdList))
	{
		$res = BitrixMainUserTable::getList(array(
			'filter' => [
				'=ID' => $userIdList,
			],
			'select' => ['NAME', 'LAST_NAME'],
		));

		while ($user = $res->fetch())
		{
			$userList[] = addcslashes($stringWrapper . $user['NAME'].' '.$user['LAST_NAME'] . $stringWrapper, "()");
		}
	}

	return $userList;
}