    protected function convertToLookup($string) {
        $array = explode('|', str_replace(' ', '', $string));
        $ret = array();
        foreach ($array as $i => $k) {
            $ret[$k] = true;
        }
        return $ret;
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.