【入门夯实】全局变量探测：_G表遍历与污染排查

for k, v in pairs(_G) do
    print(k, v)
end

local function probeGlobals()
    local found = {}
    for k, v in pairs(_G) do
        if type(k) == "string" and string.sub(k, 1, 6) == "GUILD_" then
            found[#found + 1] = k .. "=" .. type(v)
        end
    end
    table.sort(found)
    for _, line in ipairs(found) do
        sendmsg(nil, 1, line)
    end
    sendmsg(nil, 1, "自定义全局共 " .. #found .. " 个")
end

local function countAll()
    local n = 0
    for _ in pairs(_G) do
        n = n + 1
    end
    return n
end

setmetatable(_G, {
    __newindex = function(t, k, v)
        rawset(t, k, v)
        print("新全局诞生：" .. tostring(k))
    end
})