if (playerSide == west && in zones ["East_Base_Area", "East_FOB_Area"]) then {goto: caseWest}
else {if (playerSide == east && in zones ["West_Base_Area", "West_FOB_Area"]) then {goto: caseEast}}

caseWest:

SPY_Talker globalChat "player%1 in _protectedZone%1"
sleep 10;
if (playerSide == west && in zones ["East_Base_Area", "East_FOB_Area"]) then {player setDamage 1}

caseEast:

SPY_Talker globalChat "player%1 in _protectedZone%1"
sleep 10;
if (playerSide == east && in zones ["West_Base_Area", "West_FOB_Area"]) then {player setDamage 1}

/////ABOVE IS JUST ME WRITING SHIT OUT


switch (playerSide) do {

    case WEST: {

        SPY_Talker globalChat "player%1 in _protectedZone%1"
        sleep 10;
        if (playerSide == west && in zones ["East_Base_Area", "East_FOB_Area"]) then {player setDamage 1}

    };

    case EAST : {

        SPY_Talker globalChat "player%1 in _protectedZone%1"
        sleep 10;
        if (playerSide == east && in zones ["West_Base_Area", "West_FOB_Area"]) then {player setDamage 1}

    };

};