Sprawdzanie pozycji w google Opcje

[ewaslawek5]

Witam,

Umieszczam gotową klasę która przestała działać:

[PHP] pobierz, plaintext 
<?php
class checkPosition
{
	const G_PATTERN		= '/<h3 class="r"><a href="([^"]+)">/';
 
	private $limit		= 100;
	private $lang		= 'pl';
	private $dc			= 'www.google.pl';
	private $format		= 'array'; //or 'json'
 
	private $urls		= array();
	private $phrases	= array();
 
	/*
	 * Contains results
	 */
	public $r			= array();	
 
	public function setLimit( $limit ) {
		$this->limit = $limit;
	}
 
	/*
	 * Sets language (param hl=in google query)
	 */
	public function setLang( $lang ) {
		$this->lang = $lang;
	}
 
	/*
	 * Sets DC (it can be url or IP)
	 */
	public function setDC( $dc ) {
		$this->dc = $dc;
	}
 
	/*
	 * Sets returned format
	 */
	public function setFormat( $format ) {
		$this->format = $format;
	}
 
	public function getRank() {
		if( count( $this->urls ) > 1 && count( $this->phrases ) == 1 )
			self::checkManyURLs();
		elseif( count( $this->phrases ) > 1 && count( $this->urls ) == 1 )
			self::checkManyPhrases();
		else
			die('Wrong params!');	
	}
 
	/*
	 * gets host from URL
	 * @param $page		(String) - url e.g. <a href="http://example.com" target="_blank">http://example.com</a>
	 * @return 			(String) - host e.g. "example.com"
	 */
	private function getHost( $page )
	{
		preg_match('@^(?:http://)?([^/]+)@i', $page, $matches);
		$matches[1] = str_replace("www.", "", $matches[1]);
		return $matches[1];
	}
 
	/*
	 * Send request to Google server
	 * @param $url		(String) - google query url
	 * @return			(Array) - array with results (urls / serp)
	 */
	private function sendRequest( $url ) {
		$c	= curl_init();
		curl_setopt( $c, CURLOPT_HEADER, 0 );
		curl_setopt( $c, CURLOPT_RETURNTRANSFER, 1 );
		curl_setopt( $c, CURLOPT_VERBOSE, 1 );
		curl_setopt( $c, CURLOPT_REFERER, $this->dc );
		curl_setopt( $c, CURLOPT_URL, $url );	
		$d	= curl_exec( $c );
		curl_close( $c );
 
		preg_match_all( self::G_PATTERN, $d, $r );
		$r = array_pop( $r );
 
		return $r;
	}
 
	private function checkManyURLs() {
		$phrase				= urlencode( $this->phrases[0] );
		$url 				= 'http://'. $this->dc .'/search?hl='. $this->lang .'&q='. $phrase .'&num='. $this->limit;
		$this->r['phrase']	= $this->phrases[0];
 
		$r = self::sendRequest( $url );
 
		for( $i=0, $il=count( $this->urls ); $i<$il; $i++ ) {
			$ii = 0;
 
			$this->r[ $i ]['url'] = $this->urls[ $i ];
			$this->r[ $i ]['url_host'] = self::getHost( $this->urls[ $i ] );
			$this->r[ $i ]['position'] = 0;
 
			for( $p=0; $p<$this->limit; $p++ ) {
				$sPage = self::getHost($r[$p]);			
 
				if( $r[($p+1)] ) {
					$sNext = self::getHost($r[($p+1)]);
					if( $sDomena != $sNext ) {
						$ii++;
						if( $sPage == $this->r[ $i ]['url_host'] )
							$this->r[ $i ]['position'] = $ii;
					}
					$sDomena = $sNext;
				}
			}
		}
	}
 
	private function checkManyPhrases() {		
		$this->r['url']			= $this->urls[ 0 ];
		$this->r['url_host']	= self::getHost( $this->urls[ 0 ] );
 
		for( $i=0, $il=count( $this->phrases ); $i<$il; $i++ ) {
			$phrase	= urlencode( $this->phrases[0] );
			$url 	= 'http://'. $this->dc .'/search?hl='. $this->lang .'&q='. $this->phrases[ $i ] .'&num='. $this->limit;
			$ii 	= 0;
			$r 		= self::sendRequest( $url );
 
			$this->r[ $i ]['phrase'] = $this->phrases[ $i ];
			$this->r[ $i ]['position'] = 0;
 
			for( $p=0; $p<$this->limit; $p++ ) {
				$sPage = self::getHost($r[$p]);			
 
				if( $r[($p+1)] ) {
					$sNext = self::getHost($r[($p+1)]);
					if( $sDomena != $sNext ) {
						$ii++;
						if( $sPage == $this->r['url_host'] ) {
							$this->r[ $i ]['position'] = $ii;
							break;
						}
					}
					$sDomena = $sNext;
				}
			}
		}
	}
 
	public function getResults() {
		switch( $this->format ) {
			case 'array' :
				return $this->r;
 
			case 'json' :
				return json_encode( $this->r );
		}
	}
}
//-------------------------------------------------------
$c = new checkPosition( array( 'http://www.wp.pl' ), array( 'wirtualna polska', 'wydarzenia', 'aktualnosci', 'prognoza pogody', 'wiadomosci z kraju' ) );
 
$c->getRank();
 
$wynik = $c->getResults();
 
print_r ($wynik);
[PHP] pobierz, plaintext 

Klasa przestała działać (IMG:style_emoticons/default/exclamation.gif) !

Wiem że google zmienia co jakiś czas swoje struktury, żeby tego typu skrypty przestały działać.

Mógł by ktoś mnie naprowadzić na co mam zwrócić szczególną uwagę i naprowadzić mnie żebym mógł zmodyfikować żeby znów działało (IMG:style_emoticons/default/smile.gif)
Na pewno powyższa klasa przydała by się wielu osobą (IMG:style_emoticons/default/smile.gif)