    public static function remove($token){
        $json = Options::get('tokens');
        $tokens = json_decode($json, true);
        unset($tokens[$token]);
        $tokens = json_encode($tokens);
        if(Options::update('tokens',$tokens)){
            return true;
        }else{
            return false;
        }
    }
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.