UnstickPlayer

stock UnstickPlayer(playerid)
{
    new Float:x, Float:y, Float:z,
     Float:otherx, Float:othery, Float:otherz;

    GetPlayerPos(playerid, x, y, z); //Get possibly stuck player's position

    foreach(new i : Player) //Loop through all connected players and...
    {
        if(i != playerid) //... if they aren't the stuck player...
        {
            GetPlayerPos(playerid, otherx, othery, otherz); //... get their position

            if(IsPlayerInRangeOfPoint(playerid, 0.1, otherx, othery, otherz)) //and if the stuck player is within a range of 0.1 to any other players
            {
                SetPlayerPos(playerid, x, y+0.5, z); // move them slightly
            }
        }
    }

    return 1;
}