src/ResourcePacks/AgeOfEmpires/Civilization.php
public static function isAoKCiv($id)
    {
        return in_array($id, [
            self::BRITONS,
            self::FRANKS,
            self::GOTHS,
            self::TEUTONS,
            self::JAPANESE,
            self::CHINESE,
            self::BYZANTINES,
            self::PERSIANS,
            self::SARACENS,
            self::TURKS,
            self::VIKINGS,
            self::MONGOLS,
            self::CELTS,
        ]);
    }
public static function isAoKCiv($id)
    {
        return in_array($id, [
            self::BRITONS,
            self::FRANKS,
            self::GOTHS,
            self::TEUTONS,
            self::JAPANESE,
            self::CHINESE,
            self::BYZANTINES,
            self::PERSIANS,
            self::SARACENS,
            self::TURKS,
            self::VIKINGS,
            self::MONGOLS,
            self::CELTS,
        ]);
    }
public static function isAoKCiv ( $ id ) { return in_array ( $ id , [ self :: BRITONS , self :: FRANKS , self :: GOTHS , self :: TEUTONS , self :: JAPANESE , self :: CHINESE , self :: BYZANTINES , self :: PERSIANS , self :: SARACENS , self :: TURKS , self :: VIKINGS , self :: MONGOLS , self :: CELTS , ] ) ; }
Checks if a civilization is included in the Age of Kings base game.

@param int  $id  Civilization ID.
@return bool True if the given civilization exists in AoK, false
otherwise.
Checks if a civilization is included in the Age of Kings base game .