public static function getItemBlacklist() { if (self::$itemBlacklist !== NULL) { return self::$itemBlacklist; } $str = self::getString('Item Blacklist'); if (empty($str)) { self::$itemBlacklist = array(); return self::$itemBlacklist; } $list = array(); $parts = explode(',', $str); foreach ($parts as $part) { $part = trim($part); if (empty($part)) { continue; } $stack = self::getItemBlacklist_Type($part); if ($stack == NULL) { continue; } $list[] = $stack; } self::$itemBlacklist = $list; return self::$itemBlacklist; }