Verificar e mostrar o PageRank de um site

Verificar e mostrar o PageRank de um site

 por web Offline » Ter Ago 04, 2009 12:02 am

Esse script abaixo verifica e mostra o PageRank de um site. Código: Selecionar todos <?php if(isset($_GET['getpr'])){ $myWebSite = ($_POST['url']); define('GMAG', 0xE6359A60); //unsigned shift right function zeroFill($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; $a ^= (zeroFill($c,13)); $b -= $c; $b -= $a; $b ^= ($a<<8); $c -= $a; $c -= $b; $c ^= (zeroFill($b,13)); $a -= $b; $a -= $c; $a ^= (zeroFill($c,12)); $b -= $c; $b -= $a; $b ^= ($a<<16); $c -= $a; $c -= $b; $c ^= (zeroFill($b,5)); $a -= $b; $a -= $c; $a ^= (zeroFill($c,3)); $b -= $c; $b -= $a; $b ^= ($a<<10); $c -= $a; $c -= $b; $c ^= (zeroFill($b,15)); return array($a,$b,$c); } function GCH($url, $length=null, $init=GMAG) { if(is_null($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)); $mix = mix($a,$b,$c); $a = $mix[0]; $b = $mix[1]; $c = $mix[2]; $k += 12; $len -= 12; } $c += $length; switch($len) /* all the case statements fall through */ { case 11: $c+=($url[$k+10]<<24); case 10: $c+=($url[$k+9]<<16); case 9 : $c+=($url[$k+8]<<8); /* the first byte of c is reserved for the length */ 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]); /* case 0: nothing left to add */ } $mix = mix($a,$b,$c); /*-------------------------------------------- report the result */ return $mix[2]; } //converts a string into an array of integers containing the numeric value of the char function strord($string) { for($i=0;$i<strlen($string);$i++) { $result[$i] = ord($string{$i}); } return $result; } function getPR($_url) { $url = 'info:'.$_url; $ch = GCH(strord($url)); $url='info:'.urlencode($_url); $pr = file("http://www.google.com/search?client=navclient-auto&ch=6$ch&ie=UTF-8&oe=UTF-8&features=Rank&q=$url"); $pr_str = implode("", $pr); return substr($pr_str,strrpos($pr_str, ":")+1); } echo "<br>The PR of ".$myWebSite." is: ".getPR($myWebSite); } ?> <form id="frm_pr" name="frm_pr" method="post" action="teste.php?getpr=1"> <table width="60%" border="0" align="center" cellpadding="5" cellspacing="1"> <tr> <td width="30%">Check PageRank & Alexa Rank </td> <td><input name="url" id="url" type="text" value="http://<?=str_replace("http://","",$myWebSite)?>" size="55" /></td> <td width="15%" align="center"><a href="javascript: document.frm_pr.submit();">Check</a></td> </tr> </table></form> web ADMIN Mensagens: 12457 Registrado em: Sáb Jan 20, 2007 6:08 pm Localização: RJ / RJ / Brasil Website