How to convert this Mql4 code to mql5 code? thanks!

[Forex Trader]

bool Has_Robot_Orders() {

// monitor all

int buys = 0, sells = 0;

for (int i = 0; i < OrdersTotal(); i++) {

if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES) == false)

break;

if (OrderSymbol() == Symbol() && IsRobotOrder(OrderMagicNumber())) {

if (OrderType() == OP_BUY) return(true);

if (OrderType() == OP_SELL) return(true);

}

}

return(false);

}