$this->endDocument('xml');
} elseif ($this->format == 'json') {
$this->initDocument('json');
$this->showJsonObjects($twitter_user);
$this->endDocument('json');
}
$this->endDocument('xml');
} elseif ($this->format == 'json') {
$this->initDocument('json');
$this->showJsonObjects($twitter_user);
$this->endDocument('json');
}