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if(Options::get('twitter:username') != '') {	$twitter_url = $this->twitter_baseurl . 'user_timeline/' . Options::get('twitter:username') . '.xml?count=1';	if(!$response = Cache::get('twitter_feed')) {		$response = RemoteRequest::get_contents($twitter_url);		Cache::put('twitter_feed', $response, 3600);	}	$xml = new SimpleXMLElement($response);	$theme->tweet_text = $xml->status->text;	$theme->tweet_time = $xml->status->created_at;	$theme->tweet_image_url = $xml->status->user->profile_image_url;}else {	$theme->tweet_text = 'Please set your username in the Twitter plugin config.';	$theme->tweet_time = '';	$theme->tweet_image_url = '';}