public static function getGroupIdName($users)
	{
		$users = explode(",", $users);
		$usersArray = array();
		foreach ($users as $user)
		{
			$user = User::find($user);
			if ($user)
				$usersArray[] = array('name' => $user->name, 'user_id' => $user->user_id);
		}
		return $usersArray;
	}