function __construct($url)
 {
     parent::__construct();
     parent::loadPage($url);
     $this->nomi = array();
     $this->siti = array();
 }
 function __construct($url)
 {
     parent::__construct();
     parent::loadPage($url);
     $this->url = $url;
     $this->title = $this->year = $this->doi = $this->abstract = $this->to_clean = "";
     $this->authors = array();
     $this->again = true;
 }
 function __construct($url, $twitter = null)
 {
     parent::__construct($url);
     $this->twitter = $twitter;
     $this->title = $this->crawler->filter('title')->first()->text();
     $this->rss = $this->crawler->filter('link[type="application/rss+xml"]')->first()->attr('href');
     if ($twitter) {
         $twitterInfo = new twitterAccountScraper($twitter);
         $this->description = $twitterInfo->description();
         $this->image = $twitterInfo->profilePic();
     }
 }
 public function __construct()
 {
     parent::__construct();
     $this->setCategoryId(36);
 }