PPV SE Scraper

   <?php
class scraper
{
    var $ch;
    var $result;
    
    function __construct(){}
    
    private function init()
    {    
        $ch = curl_init();
        $this->ch = $ch;
        
        $agent = array(    'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6',
                        'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)',
                        'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)',
                        'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)',
                        'Mozilla/4.0 (compatible; MSIE 5.0; Windows NT 5.1; .NET CLR 1.1.4322)',
                        'Opera/9.20 (Windows NT 6.0; U; en)',
                        'Opera/9.00 (Windows NT 5.1; U; en)',
                        'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; en) Opera 8.50',
                        'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; en) Opera 8.0',
                        'Mozilla/4.0 (compatible; MSIE 6.0; MSIE 5.5; Windows NT 5.1) Opera 7.02 [en]',
                        'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20060127 Netscape/8.1' );
                    
        shuffle($agent);
                
        curl_setopt($this->ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($this->ch,CURLOPT_FOLLOWLOCATION,1);
        curl_setopt($this->ch,CURLOPT_USERAGENT,$agent[0]);
        curl_setopt($this->ch,CURLOPT_TIMEOUT,10);
        curl_setopt($this->ch,CURLOPT_******SESSION,1);
        curl_setopt($this->ch,CURLOPT_SSL_VERIFYHOST,0);
        curl_setopt($this->ch,CURLOPT_SSL_VERIFYPEER,0);
        
        return;
    }
    
    private function get($url)
    {
        curl_setopt($this->ch,CURLOPT_URL,$url);
        curl_setopt($this->ch,CURLOPT_POST,0);
        
        $s = curl_exec($this->ch);

        return $s;        
    }
    
    /* parse related */
    private function parse_all($source,$tag1,$tag2)
    {
        $source=str_replace($tag1,'<tiny:parse>',$source);
        $source=str_replace($tag2,'</tiny:parse>',$source);
        
        preg_match_all('#<tiny:parse>(.*?)</tiny:parse>#',$source,$result);

        return($result[1]);        
    }
    
    function go($keyword)
    {
        $this->init();
        
        $start = 0; while($start<200)
        {
            $s = $this->get('google.com/search?hl=en&q='.urlencode($keyword).'&start='.$start.'&sa=N');
            $urls = $this->parse_all($s,'<h3 class=r><a href="','" class=l>');

            if(is_array($urls) && count($urls)>0)
            {
                foreach($urls as $url)
                {
                    if(strlen($url)>40) $fin[] = $url;
                }
            }
            
            $start = $start + 10;
        }
        
        array_unique($fin);
        
        foreach($fin as $result) echo $result.'<br />';
    }
}

$q = $_GET['q'];

if(trim($q)=='')
{
    echo 'You must provide a query';
}else{
    $scr = new scraper();
    $scr->go($q);
}
?>