function modifyportalwalls(portalnumber, i, newx, newy, side)
        print(portalnumber, portals[portalnumber])
    --Create and remove new stuff
    if side == "up" then
        objects["portalwall"][portalnumber .. "-" .. i .. "-1"] = portalwall:new(newx-1, newy-1, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-2"] = portalwall:new(newx-1, newy, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-3"] = portalwall:new(newx, newy, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-4"] = portalwall:new(newx+1, newy-1, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-5"] = portalwall:new(newx-1, newy-1, 0, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-6"] = portalwall:new(newx+1, newy-1, 0, 0, true)

        modifyportaltiles(newx, newy, 1, 0, portals[portalnumber], i, "remove")
    elseif side == "down" then
        objects["portalwall"][portalnumber .. "-" .. i .. "-1"] = portalwall:new(newx-2, newy-1, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-2"] = portalwall:new(newx-1, newy-1, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-3"] = portalwall:new(newx-2, newy-1, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-4"] = portalwall:new(newx, newy-1, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-5"] = portalwall:new(newx-2, newy, 0, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-6"] = portalwall:new(newx, newy, 0, 0, true)

        modifyportaltiles(newx, newy, -1, 0, portals[portalnumber], i, "remove")
    elseif side == "left" then
        objects["portalwall"][portalnumber .. "-" .. i .. "-1"] = portalwall:new(newx, newy-2, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-2"] = portalwall:new(newx, newy-1, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-3"] = portalwall:new(newx-1, newy-2, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-4"] = portalwall:new(newx-1, newy, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-5"] = portalwall:new(newx-1, newy, 0, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-6"] = portalwall:new(newx-1, newy-2, 0, 0, true)

        modifyportaltiles(newx, newy, 0, -1, portals[portalnumber], i, "remove")
    elseif side == "right" then
        objects["portalwall"][portalnumber .. "-" .. i .. "-1"] = portalwall:new(newx-1, newy-1, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-2"] = portalwall:new(newx-1, newy, 0, 1, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-3"] = portalwall:new(newx-1, newy-1, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-4"] = portalwall:new(newx-1, newy+1, 1, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-5"] = portalwall:new(newx, newy-1, 0, 0, true)
        objects["portalwall"][portalnumber .. "-" .. i .. "-6"] = portalwall:new(newx, newy+1, 0, 0, true)

        modifyportaltiles(newx, newy, 0, 1, portals[portalnumber], i, "remove")
    end

    --remove conflicting portalwalls (only exist when both portals exists!)
    for a, b in pairs(portals) do
        for c, d in pairs(portals) do
            if b.x ~= d.x or b.y ~= d.y or b.facing ~= d.facing then
                for j = 1, 2 do
                    if v.x1 and v.x2 then
                        local otherj = 1
                        if j == 1 then
                            otherj = 2
                        end

                        local conside, conx, cony = v["facing" .. j], v["x" .. j], v["y" .. j]

                        for k = 1, 4 do
                            local w = objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k]
                            if w then
                                if conside == "right" then
                                    if w.x == conx and w.y == cony-1 and w.height == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx and w.y == cony and w.height == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx-1 and w.y == cony and w.width == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                elseif conside == "left" then
                                    if w.x == conx-1 and w.y == cony-2 and w.height == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx-1 and w.y == cony-1 and w.height == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx-1 and w.y == cony-1 and w.width == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                elseif conside == "up" then
                                    if w.x == conx-1 and w.y == cony-1 and w.width == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx and w.y == cony-1 and w.width == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx and w.y == cony-1 and w.height == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                else
                                    if w.x == conx-2 and w.y == cony and w.width == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx-1 and w.y == cony and w.width == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                    if w.x == conx-1 and w.y == cony-1 and w.height == 1 then
                                        objects["portalwall"][portalnumber .. "-" .. otherj .. "-" .. k] = nil
                                    end
                                end
                            end
                        end
                    end
                end
            end
        end
    end
end