src/ResourcePacks/AgeOfEmpires/Map.php
public static function isRealWorldMap($id)
    {
        return in_array($id, [
            self::IBERIA, self::BRITAIN, self::MIDEAST, self::TEXAS,
            self::ITALY, self::CENTRALAMERICA, self::FRANCE, self::NORSELANDS,
            self::SEAOFJAPAN, self::BYZANTINUM,
        ]);
    }
public static function isRealWorldMap($id)
    {
        return in_array($id, [
            self::IBERIA, self::BRITAIN, self::MIDEAST, self::TEXAS,
            self::ITALY, self::CENTRALAMERICA, self::FRANCE, self::NORSELANDS,
            self::SEAOFJAPAN, self::BYZANTINUM,
        ]);
    }
public static function isRealWorldMap ( $ id ) { return in_array ( $ id , [ self :: IBERIA , self :: BRITAIN , self :: MIDEAST , self :: TEXAS , self :: ITALY , self :: CENTRALAMERICA , self :: FRANCE , self :: NORSELANDS , self :: SEAOFJAPAN , self :: BYZANTINUM , ] ) ; }
Check whether a builtin map is a "Real World" map, such as Byzantinum or
Texas.

@param int  $id  Map ID of a builtin map.
@return bool True if the map is a "Real World" map, false otherwise.
Check whether a builtin map is a Real World map such as Byzantinum or Texas .