[Richie©]

You can use variables for that.

pawn Код:

new bool:MyGateIsOpen; // This var will tell us if gate is open or not

//If your gate is closed by default, set this in OnGameModeInit; MyGateIsOpen = false;

CMD:gate(playerid,params[])
{
    if(PlayerInfo[playerid][pAdmin] == 8055)
    {
        if(IsPlayerInRangeOfPoint(playerid, 15.0, -1209.48816, -1071.85449, 123.64065)) // Is Player within 15 meters of this gate?
        {
            if(MyGateIsOpen == false) // The gate is closed
            {
                MoveObject(impoundgate,-1209.48816, -1071.85449, 123.64065,1.5); // Open the gate
                MyGateIsOpen = true;
            }
            else // Else the gate is open and we want it to close now
            {
                MoveObject(impoundgate,/*Move the gate back to closed position*/,1.5); // Close the gate
                MyGateIsOpen = false;
            }
        }
        if(IsPlayerInRangeOfPoint(playerid, 15.0, /*X,Y,Z Cords for another gate*/)) // Continue with other gates.
        {
            //Move another gate here.
        }
    }
    else return SendClientMessage(playerid, COLOR_RED, "You are not the owner of this server.");
    return 1;
}