finish guildwar system

data/global.lua

@@ -48,4 +48,35 @@ end
 
 if not nextUseStaminaTime then
 	nextUseStaminaTime = {}
+end
+
+function isInArray(array, value, isCaseSensitive)
+    local compareLowerCase = false
+    if value ~= nil and type(value) == "string" and not isCaseSensitive then
+        value = string.lower(value)
+        compareLowerCase = true
+    end
+    if array == nil or value == nil then
+        return (array == value), nil
+    end
+    local t = type(array)
+    if t ~= "table" then
+        if compareLowerCase and t == "string" then
+            return (string.lower(array) == string.lower(value)), nil
+        else
+            return (array == value), nil
+        end
+    end
+    for k,v in pairs(array) do
+        local newV
+        if compareLowerCase and type(v) == "string" then
+            newV = string.lower(v)
+        else
+            newV = v
+        end
+        if newV == value then
+            return true, k
+        end
+    end
+    return false
 end