public function canPlace(Order $order)
    {
        if (!$order) {
            $this->error(_t(__CLASS__ . ".NoOrder", "Order does not exist."));
            return false;
        }
        //order status is applicable
        if (!$order->IsCart()) {
            $this->error(_t(__CLASS__ . ".NotCart", "Order is not a cart."));
            return false;
        }
        //order has products
        if ($order->Items()->Count() <= 0) {
            $this->error(_t(__CLASS__ . ".NoItems", "Order has no items."));
            return false;
        }

        return true;
    }
public function canPlace(Order $order)
    {
        if (!$order) {
            $this->error(_t(__CLASS__ . ".NoOrder", "Order does not exist."));
            return false;
        }
        //order status is applicable
        if (!$order->IsCart()) {
            $this->error(_t(__CLASS__ . ".NotCart", "Order is not a cart."));
            return false;
        }
        //order has products
        if ($order->Items()->Count() <= 0) {
            $this->error(_t(__CLASS__ . ".NoItems", "Order has no items."));
            return false;
        }

        return true;
    }
public function canPlace ( Order $ order ) { if ( ! $ order ) { $ this -> error ( _t ( __CLASS__ . ".NoOrder" , "Order does not exist." ) ) ; return false ; } //order status is applicable if ( ! $ order -> IsCart ( ) ) { $ this -> error ( _t ( __CLASS__ . ".NotCart" , "Order is not a cart." ) ) ; return false ; } //order has products if ( $ order -> Items ( ) -> Count ( ) <= 0 ) { $ this -> error ( _t ( __CLASS__ . ".NoItems" , "Order has no items." ) ) ; return false ; } return true ; }
Determine if an order can be placed.

@param boolean $order
Determine if an order can be placed .