pagerank script

pagerank scipt
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[code]<?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() {
		$uri = $this->url['host'];
		$uri = trim(eregi_replace('http://', '', $uri)); $uri = trim(eregi_replace('http', '', $uri));
	$url = 'http://www.google.com/search?hl=en&lr=&ie=UTF-8&q=link:'.$uri.'&filter=0';
	
	$v = $this->file_get_contents_curl($url);

// preg_match("/of about <b>(.?)</b>/si",$v,$r);
// preg_match("/of <b>(.
?)</b>/si",$v,$s);
preg_match(’/

About ([0-9,]+) results/’,$v,$s);
	echo ($s[1]) ? "\"".$s[1]."\", " : '"0", ';

/*
$url = ‘http://www.google.com/search?hl=en&lr=&ie=UTF-8&q=link:’.$url.’&filter=0’;
$data = $this->getPage($url);
preg_match("/

([A-Za-z]+ |)([0-9,]+) result/si",$data,$r);
$value = ($p[1]) ? number_format($this->toInt($p[1])) : 0;
echo ‘"’.$value.’",’;*/
}
	function file_get_contents_curl($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt($ch, CURLOPT_URL, $url);
$data = curl_exec($ch);
curl_close($ch);

return $data;

}
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 getThumbnail() {
		$url = urlencode($this->url['host']);
		//echo "\t<thumbnail>http://msnsearch.srv.girafa.com/srv/i?s=MSNSEARCH&amp;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;
// on 64bit OSs if $x is double, negative ,will return -$z in $y
// which means 32th bit set (the sign bit)
if ($y==-$z && $x<-$z) {
    $y = (int)((-1)*$x);// this is the hack, make it positive before
    $y = (-1)*$y; // switch back the sign
}
$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 << 8));
		$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[$k + 1] << 8) + ($url[$k + 2] << 16) + ($url[$k +3] << 24));
			$b += ($url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k +7] << 24));
			$c += ($url[$k + 8] + ($url[$k + 9] << 8) + ($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] << 8);
			case 8 : $b += ($url[$k + 7] << 24);
			case 7 : $b += ($url[$k + 6] << 16);
			case 6 : $b += ($url[$k + 5] << 8);
			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] << 8);
			case 1 : $a += ($url[$k + 0]);
		}
		$mix = $this->mix($a, $b, $c);
		return ($mix[2] < 0 ) ? (4294967296 + $mix[2]) : $mix[2];
	}
	
	function strord ($string) {
		for($i = 0; $i < strlen($string); $i++) {
			$result[$i] = ord($string{$i});
		}
		return $result;
	}
	
}

?>[/code]

Here’s the page rank script I use.

[php]

<?php class PageRank { function __construct($url) { $url = 'info:' . $url; $hash = '6' . $this->c($this->e($this->b($url))); $fetch = 'http://toolbarqueries.google.com/tbr?client=navclient-auto&ch=' . $hash . '&ie=UTF-8&oe=UTF-8&features=Rank&q=' . $url; if(function_exists('curl_init')) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $fetch); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $out = curl_exec($ch); curl_close($ch); } else { $out = file_get_contents($fetch); } $out = trim($out); if(strlen($out) > 0) { $this->pr = substr($out, 9); } else { $this->pr = -1; } } function b($hash) { $j = array(); $length = strlen($hash); for($i = 0; $i < $length; $i++) { $j[$i] = ord($hash[$i]); } return $j; } function c($l) { $l = ((($l / 7) <h($l, 13)) & 7)); $j = array(); $j[0] = $l; for($i = 1; $i < 20; $i++) { $j[$i] = $j[$i - 1] - 9; } $l = $this->e($this->g($j), 80); return $l; } function e($hash) { $r = 3862272608; $j = count($hash); $p = 2654435769; $o = 2654435769; $n = 3862272608; $l = 0; $m = $j; $q = array(); while ($m >= 12) { $p += ($hash[$l] + ($hash[$l + 1] << 8) + ($hash[$l + 2] << 16) + ($hash[$l + 3] << 24)); $o += ($hash[$l + 4] + ($hash[$l + 5] << 8) + ($hash[$l + 6] << 16) + ($hash[$l + 7] << 24)); $n += ($hash[$l + 8] + ($hash[$l + 9] << 8) + ($hash[$l + 10] << 16) + ($hash[$l + 11] <s($p, $o, $n); $p = $q[0]; $o = $q[1]; $n = $q[2]; $l += 12; $m -= 12; } $n += $j; switch ($m) { case 11: $n += $hash[$l + 10] << 24; case 10: $n += $hash[$l + 9] << 16; case 9: $n += $hash[$l + 8] << 8; case 8: $o += $hash[$l + 7] << 24; case 7: $o += $hash[$l + 6] << 16; case 6: $o += $hash[$l + 5] << 8; case 5: $o += $hash[$l + 4]; case 4: $p += $hash[$l + 3] << 24; case 3: $p += $hash[$l + 2] << 16; case 2: $p += $hash[$l + 1] <s($p, $o, $n); return ($q[2] < 0) ? (4294967296 + $q[2]) : $q[2]; } function f($j, $i) { $k = 2147483648; if ($k & $j) { $j = $j >> 1; $j &= ~$k; $j |= 1073741824; $j = $j >> ($i - 1); } else { $j = $j >> $i; } return $j; } function g($j) { $l = array(); $length = count($j); for($k = 0; $k < $length; $k++) { for ($m = $k * 4; $m <= $k * 4 + 3; $m++) { $l[$m] = $j[$k] & 255; $j[$k] = $this->f($j[$k], 8); } } return $l; } function h($j, $l) { $k = floor($j / $l); return ($j - $k * $l); } function s($t, $k, $u) { $t -= $k; $t -= $u; $t ^= ($this->f($u, 13)); $k -= $u; $k -= $t; $k ^= ($t <f($k, 13)); $t -= $k; $t -= $u; $t ^= ($this->f($u, 12)); $k -= $u; $k -= $t; $k ^= ($t <f($k, 5)); $t -= $k; $t -= $u; $t ^= ($this->f($u, 3)); $k -= $u; $k -= $t; $k ^= ($t <f($k, 15)); return array($t, $k, $u); } } $page_rank = new PageRank('http://www.fusionswift.com'); echo $page_rank->pr; ?>

[/php]

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