Pagerank code help

elninolaz · January 30, 2010

Here is the Script - pagerank.cass.php

pagerank script does not work. pagerank show 0

pagerank.class.php

<?php
class pagerank 
{
	var $url;
	function pagerank ($url, $options)
	{
		$this->url = parse_url('http://' . ereg_replace('^http://', '', $url));
		$this->url['full'] = 'http://' . ereg_replace('^http://', '', $url);
		echo "additionalinfo = new Array(";
		if ($options['pagerank']) {
			$this->getPagerank();
		}
		if ($options['alexaRank']) {
			$this->getAlexaRank();
		}
		if ($options['dmoz']) {
			$this->getDmoz();
		}
		if ($options['backlinksGoogle']) {
			$this->getBacklinksGoogle();
		}
		if ($options['backlinksYahoo']) {
			$this->getBacklinksYahoo();
		}
		if ($options['backlinksMSN']) {
			$this->getBacklinksMSN();
		}
		if ($options['resultsAltaVista']) {
			$this->getResultsAltaVista();
		}
		if ($options['resultsAllTheWeb']) {
			$this->getResultsAllTheWeb();
		}
		if ($options['sitetitle']) {
			$this->getSiteTitle();
		}
		if ($options['thumbnail']) {
			$this->getThumbnail();
		}
		echo ');';
	}

	function getSiteTitle()
	{
		//////////////////////// Find Title of a give url  ////////////////////////////
		$url = $this->url['full'];
		$data=file_get_contents($url);
		$title='<font color=red>No title defined!</font>';
		$data=str_replace('<TITLE>','<title>',$data);$data=str_replace('</TITLE>','</title>',$data);
		$data=str_replace('<Title>','<title>',$data);$data=str_replace('</Title>','</title>',$data);

		$iadevar=1;
		$excade = explode('<title>',$data);
		if(isset($excade[1]))
		{
			$excade2=explode('</title>',$excade[1]);
			if(isset($excade2[1])){$title=trim($excade2[0]);} 
		}
		///////////////////////////////////////////////////////////////////////////////
		$value = $title;
		echo '"'.$value.'"';
	}

	function getPage ($url) {
		if (function_exists('curl_init')) {
			$ch = curl_init($url);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
			curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
			return curl_exec($ch);
		} else {
			return file_get_contents($url);
		}
	}

	function getPagerank () {
		$url = 'info:' . $this->url['host'];
		$checksum = $this->checksum($this->strord($url));
		$url = 'http://www.google.com/search?client=navclient-auto&ch=6' . $checksum . '&features=Rank&q=' . $url;
		$data = $this->getPage($url);
		preg_match('#Rank_[0-9]:[0-9][0-9]+){1,}#si', $data, $p);
		$value = ($p[1]) ? $p[1] : 0;
		echo '"'.$value.'",';
	}

	function getAlexaRank() {
		$url = $this->url['host'];
		$url = "http://data.alexa.com/data?cli=10&dat=s&url=$url";
		$data = $this->getPage($url);
		preg_match('#<POPULARITY URL="(.*?)" TEXT="([0-9]+){1,}"/>#si', $data, $p);
		$value = ($p[2]) ? number_format($this->toInt($p[2])) : 0;
		echo '"'.$value.'",';

	}

	function getDmoz() {
		$url = ereg_replace('^www\.', '', $this->url['host']);
		$url = "http://search.dmoz.org/cgi-bin/search?search=$url";
		$data = $this->getPage($url);
		if (ereg('<center>No <b><a href="http://dmoz\.org/">Open Directory Project</a></b> results found</center>', $data)) {
			$value = '0';
		} else {
			$value = '1';
		}
		echo '"'.$value.'",';
	}

	function getBacklinksGoogle() {
		$url = $this->url['host'];
		$url = 'http://www.google.com/search?q=link%3A' . urlencode($url);
		$data = $this->getPage($url);
		preg_match('#of about <b>([0-9,]+){1,}#si', $data, $p);
		$value = ($p[1]) ? number_format($this->toInt($p[1])) : 0;
		echo '"'.$value.'",';
	}

	function getBacklinksYahoo() {
		$url = $this->url['host'];
		$url = 'http://siteexplorer.search.yahoo.com/search?p=' . urlencode("http://$url") . '&bwm=i';
		$data = $this->getPage($url);
		preg_match('#Inlinks \(([0-9,]+){1,}\)#si', strip_tags($data), $p);
		$value = ($p[1]) ? number_format($this->toInt($p[1])) : 0;
		echo '"'.$value.'",';
	}

	function getBacklinksMSN() {
		$url = $this->url['host'];
		$url = 'http://search.live.com/results.aspx?q=link%3A' . urlencode($url);
		$data = $this->getPage($url);
		preg_match('#1 of ([0-9,]+){1,}#si', $data, $p);
		$value = ($p[1]) ? number_format($this->toInt($p[1])) : 0;
		echo '"'.$value.'",';
	}

	function getResultsAltaVista() {
		$url = $this->url['host'];
		$url = 'http://www.altavista.com/web/results?q=' . urlencode($url);
		$data = $this->getPage($url);
		preg_match('#AltaVista found ([0-9,]+){1,} results#si', $data, $p);
		$value = ($p[1]) ? number_format($this->toInt($p[1])) : 0;
		echo '"'.$value.'",';
	}

	function getResultsAllTheWeb() {
		$url = $this->url['host'];
		$url = 'http://www.alltheweb.com/search?q=' . urlencode($url);
		$data = $this->getPage($url);
		preg_match('#<span class="ofSoMany">([0-9,]+){1,}</span>#si', $data, $p);
		$value = ($p[1]) ? number_format($this->toInt($p[1])) : 0;
		echo '"'.$value.'",';
	}

	function googlebot_lastaccess($url)
	{
	$url = 'http://209.85.175.104/search?hl=en&q=cache:'.$url.'&btnG=Google+Search&meta=';
	$data = file_get_contents_curl($url);
	$spl=explode("as retrieved on",$data);
	$spl2=explode(".",$spl[1]);
	$ret=trim($spl2[0]);
	if(strlen($ret)==0)
	{
	return(0);
	}
	else
	{
	return($ret);
	}
	}


       

	function getThumbnail() {
		$url = urlencode($this->url['host']);
		//echo "\t<thumbnail>http://msnsearch.srv.girafa.com/srv/i?s=MSNSEARCH&r=$url</thumbnail>\n";
	}

	function toInt ($string) {
		return preg_replace('#[^0-9]#si', '', $string);
	}

	function to_int_32 (&$x) {
		$z = hexdec(80000000);
		$y = (int) $x;
		if($y ==- $z && $x <- $z){
			$y = (int) ((-1) * $x);
			$y = (-1) * $y;
		}
		$x = $y;
	}

	function zero_fill ($a, $b) {
		$z = hexdec(80000000);
		if ($z & $a) {
			$a = ($a >> 1);
			$a &= (~$z);
			$a |= 0x40000000;
			$a = ($a >> ($b - 1));
		} else {
			$a = ($a >> $b);
		}
		return $a;
	}

	function mix ($a, $b, $c) {
		$a -= $b; $a -= $c; $this->to_int_32($a); $a = (int)($a ^ ($this->zero_fill($c, 13)));
		$b -= $c; $b -= $a; $this->to_int_32($b); $b = (int)($b ^ ($a << );
		$c -= $a; $c -= $b; $this->to_int_32($c); $c = (int)($c ^ ($this->zero_fill($b, 13)));
		$a -= $b; $a -= $c; $this->to_int_32($a); $a = (int)($a ^ ($this->zero_fill($c, 12)));
		$b -= $c; $b -= $a; $this->to_int_32($b); $b = (int)($b ^ ($a << 16));
		$c -= $a; $c -= $b; $this->to_int_32($c); $c = (int)($c ^ ($this->zero_fill($b, 5)));
		$a -= $b; $a -= $c; $this->to_int_32($a); $a = (int)($a ^ ($this->zero_fill($c, 3)));
		$b -= $c; $b -= $a; $this->to_int_32($b); $b = (int)($b ^ ($a << 10));
		$c -= $a; $c -= $b; $this->to_int_32($c); $c = (int)($c ^ ($this->zero_fill($b, 15)));
		return array($a,$b,$c);
	}

	function checksum ($url, $length = null, $init = 0xE6359A60) {
		if (is_null($length)) {
			$length = sizeof($url);
		}
		$a = $b = 0x9E3779B9;
		$c = $init;
		$k = 0;
		$len = $length;
		while($len >= 12) {
			$a += ($url[$k + 0] + ($url[$k + 1] <<  + ($url[$k + 2] << 16) + ($url[$k +3] << 24));
			$b += ($url[$k + 4] + ($url[$k + 5] <<  + ($url[$k + 6] << 16) + ($url[$k +7] << 24));
			$c += ($url[$k + 8] + ($url[$k + 9] <<  + ($url[$k + 10] << 16) + ($url[$k +11] << 24));
			$mix = $this->mix($a, $b, $c);
			$a = $mix[0]; $b = $mix[1]; $c = $mix[2];
			$k += 12;
			$len -= 12;
		}
		$c += $length;
		switch($len) {
			case 11: $c += ($url[$k + 10] << 24);
			case 10: $c += ($url[$k + 9] << 16);
			case 9 : $c += ($url[$k + 8] << ;
			case 8 : $b += ($url[$k + 7] << 24);
			case 7 : $b += ($url[$k + 6] << 16);
			case 6 : $b += ($url[$k + 5] << ;
			case 5 : $b += ($url[$k + 4]);
			case 4 : $a += ($url[$k + 3] << 24);
			case 3 : $a += ($url[$k + 2] << 16);
			case 2 : $a += ($url[$k + 1] << ;
			case 1 : $a += ($url[$k + 0]);
		}
		$mix = $this->mix($a, $b, $c);
		return $mix[2];
	}

	function strord ($string) {
		for($i = 0; $i < strlen($string); $i++) {
			$result[$i] = ord($string{$i});
		}
		return $result;
	}

}
?>

How can I change this code.pagerank always be 0

	function toInt ($string) {
		return preg_replace('#[^0-9]#si', '', $string);
	}

	function to_int_32 (&$x) {
		$z = hexdec(80000000);
		$y = (int) $x;
		if($y ==- $z && $x <- $z){
			$y = (int) ((-1) * $x);
			$y = (-1) * $y;
		}
		$x = $y;
	}

	function zero_fill ($a, $b) {
		$z = hexdec(80000000);
		if ($z & $a) {
			$a = ($a >> 1);
			$a &= (~$z);
			$a |= 0x40000000;
			$a = ($a >> ($b - 1));
		} else {
			$a = ($a >> $b);
		}
		return $a;
	}

	function mix ($a, $b, $c) {
		$a -= $b; $a -= $c; $this->to_int_32($a); $a = (int)($a ^ ($this->zero_fill($c, 13)));
		$b -= $c; $b -= $a; $this->to_int_32($b); $b = (int)($b ^ ($a << );
		$c -= $a; $c -= $b; $this->to_int_32($c); $c = (int)($c ^ ($this->zero_fill($b, 13)));
		$a -= $b; $a -= $c; $this->to_int_32($a); $a = (int)($a ^ ($this->zero_fill($c, 12)));
		$b -= $c; $b -= $a; $this->to_int_32($b); $b = (int)($b ^ ($a << 16));
		$c -= $a; $c -= $b; $this->to_int_32($c); $c = (int)($c ^ ($this->zero_fill($b, 5)));
		$a -= $b; $a -= $c; $this->to_int_32($a); $a = (int)($a ^ ($this->zero_fill($c, 3)));
		$b -= $c; $b -= $a; $this->to_int_32($b); $b = (int)($b ^ ($a << 10));
		$c -= $a; $c -= $b; $this->to_int_32($c); $c = (int)($c ^ ($this->zero_fill($b, 15)));
		return array($a,$b,$c);
	}

	function checksum ($url, $length = null, $init = 0xE6359A60) {
		if (is_null($length)) {
			$length = sizeof($url);
		}
		$a = $b = 0x9E3779B9;
		$c = $init;
		$k = 0;
		$len = $length;
		while($len >= 12) {
			$a += ($url[$k + 0] + ($url[$k + 1] <<  + ($url[$k + 2] << 16) + ($url[$k +3] << 24));
			$b += ($url[$k + 4] + ($url[$k + 5] <<  + ($url[$k + 6] << 16) + ($url[$k +7] << 24));
			$c += ($url[$k + 8] + ($url[$k + 9] <<  + ($url[$k + 10] << 16) + ($url[$k +11] << 24));
			$mix = $this->mix($a, $b, $c);
			$a = $mix[0]; $b = $mix[1]; $c = $mix[2];
			$k += 12;
			$len -= 12;
		}
		$c += $length;
		switch($len) {
			case 11: $c += ($url[$k + 10] << 24);
			case 10: $c += ($url[$k + 9] << 16);
			case 9 : $c += ($url[$k + 8] << ;
			case 8 : $b += ($url[$k + 7] << 24);
			case 7 : $b += ($url[$k + 6] << 16);
			case 6 : $b += ($url[$k + 5] << ;
			case 5 : $b += ($url[$k + 4]);
			case 4 : $a += ($url[$k + 3] << 24);
			case 3 : $a += ($url[$k + 2] << 16);
			case 2 : $a += ($url[$k + 1] << ;
			case 1 : $a += ($url[$k + 0]);
		}
		$mix = $this->mix($a, $b, $c);
		return $mix[2];
	}

	function strord ($string) {
		for($i = 0; $i < strlen($string); $i++) {
			$result[$i] = ord($string{$i});
		}
		return $result;
	}

}
?>

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