esx_core/shared/functions.lua

local Charset = {}

for i = 48,  57 do table.insert(Charset, string.char(i)) end
for i = 65,  90 do table.insert(Charset, string.char(i)) end
for i = 97, 122 do table.insert(Charset, string.char(i)) end

ESX.GetRandomString = function(length)
	math.randomseed(GetGameTimer())

	if length > 0 then
		return ESX.GetRandomString(length - 1) .. Charset[math.random(1, #Charset)]
	else
		return ''
	end
end

ESX.TableContainsValue = function(table, value)
	for k, v in pairs(table) do
		if v == value then
			return true
		end
	end

	return false
end

ESX.TableToString = function(table, nb)
	if nb == nil then
		nb = 0
	end

	if type(table) == 'table' then
		local s = ''
		for i = 1, nb + 1, 1 do
			s = s .. "    "
		end

		s = '{\n'
		for k,v in pairs(table) do
			if type(k) ~= 'number' then k = '"'..k..'"' end
			for i = 1, nb, 1 do
				s = s .. "    "
			end
			s = s .. '['..k..'] = ' .. ESX.TableToString(v, nb + 1) .. ',\n'
		end

		for i = 1, nb, 1 do
			s = s .. "    "
		end

		return s .. '}'
	else
		return tostring(table)
	end
end


ESX.Round = function(value)
	return value >= 0 and math.floor(value + 0.5) or math.ceil(value - 0.5)
end