php google pr 值代码
下面的代码是一段获取 google pr值，并且还支持js调用显示哦。
<?php
// require dirname(__FILE__) . '/MooPHP/MooPHP.php';
define('GMAG', 0xE6359A60);
//note 获取和处理可能要取得的变量
//$site = MooGetGPC('site', 'string');
$host = '';
$style = isset($_GET['style']) ? $_GET['style'] : 1;
$host = $_SERVER['HTTP_HOST'];
$site = str_replace('http://', '', $host);
if ($site) {
$pr = getPR($site);
switch ($style) {
case 3:
echo 'document.write("<a href=http://tool.phprm.com/pr/pr.php target=_blank><img src=http://tool.phprm.com/pr/primg/a' . $pr . '.png border=0 /></a>");';
break;
case 2:
echo 'document.write("<a href=http://tool.phprm.com/pr/pr.php target=_blank><img src=http://tool.phprm.com/pr/primg/b' . $pr . '.png border=0 /></a>");';
break;
case 1:
echo 'document.write("<a href=http://tool.phprm.com/pr/pr.php target=_blank><img src=http://tool.phprm.com/pr/primg/c' . $pr . '.png border=0 /></a>");';
break;
default:
echo 'document.write("<a href=http://tool.phprm.com/pr/pr.php target=_blank><img src=http://tool.phprm.com/pr/primg/a' . $pr . '.png border=0 /></a>");';
break;
}
} else {
echo '有问题';
}
// include MooTemplate("pr_index");
//note 处理获得pr值的函数
// url get method macro.
define('G_PR_GET_TYPE_FILE', 1); // use fopen() function
define('G_PR_GET_TYPE_SOCKET', 2); // use standard fsocketopen function
// main function to be called
function getPR($_url, $gettype = G_PR_GET_TYPE_SOCKET) {
$url = 'info:' . $_url;
$ch = GCH(strord($url));
$ch = NewGCH($ch);
$url = str_replace("_", "%5F", 'info:' . urlencode($_url));
$googlePRUrl = "http://64.233.161.104/search?client=navclient-auto&ch=6" . $ch . "&ie=UTF-8&oe=UTF-8&features=Rank&q=" . $url;
$pr_str = retrieveURLContent($googlePRUrl, $gettype);
return intval(substr($pr_str, strrpos($pr_str, ":") + 1));
}
//unsigned shift right
function zeroFill($a, $b) {
$z = hexdec('8' . implode('', array_fill(0, PHP_INT_SIZE * 2 - 1, '0')));
if ($z & $a) {
$a = ($a >> 1);
$a&= (~$z);
$a|= hexdec('4' . implode('', array_fill(0, PHP_INT_SIZE * 2 - 1, '0')));
$a = ($a >> ($b - 1));
} else {
$a = ($a >> $b);
}
return $a;
}
// discard bits beyonds 32 bit.
function trunkbitForce32bit($n) {
if (PHP_INT_SIZE <= 4) {
settype($n, 'float');
if ($n < 0) $n+= 4294967296;
return $n;
} else {
$clearbit = '';
for ($i = 0; $i < PHP_INT_SIZE - 4; $i++) {
$clearbit.= '00';
}
for ($i = 0; $i < 4; $i++) {
$clearbit.= 'ff';
}
return ($n & hexdec($clearbit));
}
}
function bigxor($m, $n) {
//if(function_exists('gmp_init')){
// return floatval(gmp_strval(gmp_xor($m,$n)));
//}
//else{
return $m ^ $n;
//}
}
function mix($a, $b, $c) {
$a = trunkbitForce32bit($a);
$b = trunkbitForce32bit($b);
$c = trunkbitForce32bit($c);
$a-= $b;
$a = trunkbitForce32bit($a);
$a-= $c;
$a = trunkbitForce32bit($a);
$a = bigxor($a, (zeroFill($c, 13)));
$a = trunkbitForce32bit($a);
$b-= $c;
$b = trunkbitForce32bit($b);
$b-= $a;
$b = trunkbitForce32bit($b);
$b = bigxor($b, trunkbitForce32bit($a << 8));
$b = trunkbitForce32bit($b);
$c-= $a;
$c = trunkbitForce32bit($c);
$c-= $b;
$c = trunkbitForce32bit($c);
$c = bigxor($c, (zeroFill($b, 13)));
$c = trunkbitForce32bit($c);
$a-= $b;
$a = trunkbitForce32bit($a);
$a-= $c;
$a = trunkbitForce32bit($a);
$a = bigxor($a, (zeroFill($c, 12)));
$a = trunkbitForce32bit($a);
$b-= $c;
$b = trunkbitForce32bit($b);
$b-= $a;
$b = trunkbitForce32bit($b);
$b = bigxor($b, trunkbitForce32bit($a << 16));
$c-= $a;
$c = trunkbitForce32bit($c);
$c-= $b;
$c = trunkbitForce32bit($c);
$c = bigxor($c, (zeroFill($b, 5)));
$c = trunkbitForce32bit($c);
$a-= $b;
$a = trunkbitForce32bit($a);
$a-= $c;
$a = trunkbitForce32bit($a);
$a = bigxor($a, (zeroFill($c, 3)));
$a = trunkbitForce32bit($a);
$b-= $c;
$b = trunkbitForce32bit($b);
$b-= $a;
$b = trunkbitForce32bit($b);
$b = bigxor($b, trunkbitForce32bit($a << 10));
$c-= $a;
$c = trunkbitForce32bit($c);
$c-= $b;
$c = trunkbitForce32bit($c);
$c = bigxor($c, (zeroFill($b, 15)));
$c = trunkbitForce32bit($c);
return array(
$a,
$b,
$c
);
}
function NewGCH($ch) {
$ch = (trunkbitForce32bit(($ch / 7) << 2) | ((myfmod($ch, 13)) & 7));
$prbuf = array();
$prbuf[0] = $ch;
for ($i = 1; $i < 20; $i++) {
$prbuf[$i] = $prbuf[$i - 1] - 9;
}
$ch = GCH(c32to8bit($prbuf));
return $ch;
}
function myfmod($x, $y) {
$i = floor($x / $y);
return ($x - $i * $y);
}
function c32to8bit($arr32) {
$arr8 = array();
for ($i = 0; $i < count($arr32); $i++) {
for ($bitOrder = $i * 4; $bitOrder <= $i * 4 + 3; $bitOrder++) {
$arr8[$bitOrder] = $arr32[$i] & 255;
$arr32[$i] = zeroFill($arr32[$i], 8);
}
}
return $arr8;
}
function GCH($url, $length = null) {
if (is_null($length)) {
$length = sizeof($url);
}
$init = 0xE6359A60;
$a = 0x9E3779B9;
$b = 0x9E3779B9;
$c = 0xE6359A60;
$k = 0;
$len = $length;
$mixo = array();
while ($len >= 12) {
$a+= ($url[$k + 0] + trunkbitForce32bit($url[$k + 1] << 8) + trunkbitForce32bit($url[$k + 2] << 16) + trunkbitForce32bit($url[$k + 3] << 24));
$b+= ($url[$k + 4] + trunkbitForce32bit($url[$k + 5] << 8) + trunkbitForce32bit($url[$k + 6] << 16) + trunkbitForce32bit($url[$k + 7] << 24));
$c+= ($url[$k + 8] + trunkbitForce32bit($url[$k + 9] << 8) + trunkbitForce32bit($url[$k + 10] << 16) + trunkbitForce32bit($url[$k + 11] << 24));
$mixo = mix($a, $b, $c);
$a = $mixo[0];
$b = $mixo[1];
$c = $mixo[2];
$k+= 12;
$len-= 12;
}
$c+= $length;
switch ($len) {
case 11:
$c+= trunkbitForce32bit($url[$k + 10] << 24);
case 10:
$c+= trunkbitForce32bit($url[$k + 9] << 16);
case 9:
$c+= trunkbitForce32bit($url[$k + 8] << 8);
case 8:
$b+= trunkbitForce32bit($url[$k + 7] << 24);
case 7:
$b+= trunkbitForce32bit($url[$k + 6] << 16);
case 6:
$b+= trunkbitForce32bit($url[$k + 5] << 8);
case 5:
$b+= trunkbitForce32bit($url[$k + 4]);
case 4:
$a+= trunkbitForce32bit($url[$k + 3] << 24);
case 3:
$a+= trunkbitForce32bit($url[$k + 2] << 16);
case 2:
$a+= trunkbitForce32bit($url[$k + 1] << 8);
case 1:
$a+= trunkbitForce32bit($url[$k + 0]);
}
$mixo = mix($a, $b, $c);
$mixo[2] = trunkbitForce32bit($mixo[2]);
if ($mixo[2] < 0) {
return (hexdec('1' . implode('', array_fill(0, PHP_INT_SIZE * 2, '0'))) + $mixo[2]);
} else {
return $mixo[2];
}
}
// converts a string into an array of integers
// containing the numeric value of the char
function strord($string) {
for ($i = 0; $i < strlen($string); $i++) {
$result[$i] = ord($string{$i});
}
return $result;
}
function retrieveURLContent($url, $gettype) {
switch ($gettype) {
case G_PR_GET_TYPE_FILE:
return retrieveURLContentByFile($url);
break;
default:
return retrieveURLContentBySocket($url);
break;
}
}
function retrieveURLContentByFile($url) {
$fd = @fopen($url, "r");
if (!$fd) {
return false;
}
$result = "";
while ($buffer = fgets($fd, 4096)) {
$result.= $buffer;
}
fclose($fd);
return $result;
}
function retrieveURLContentBySocket($url, $host = "", $port = 80, $timeout = 30) {
if ($host == "") {
if (!($pos = strpos($url, '://'))) {
return false;
}
$host = substr($url, $pos + 3, strpos($url, '/', $pos + 3) - $pos - 3);
$uri = substr($url, strpos($url, '/', $pos + 3));
} else {
$uri = $url;
}
$request = "GET " . $uri . " HTTP/1.0rn" . "Host: " . $host . "rn" . "Accept: */*rn" . "User-Agent: ZealGetrn" . "rn";
$sHnd = @fsockopen($host, $port, $errno, $errstr, $timeout);
if (!$sHnd) {
return false;
}
@fputs($sHnd, $request);
// Get source
$result = "";
while (!feof($sHnd)) {
$result.= fgets($sHnd, 4096);
}
fclose($sHnd);
$headerend = strpos($result, "rnrn");
if (is_bool($headerend)) {
return $result;
} else {
return substr($result, $headerend + 4);
}
}可以查询你网站的pr值并且还可以调用pr在你网站显示哦。
教程地址：http://www.phprm.com/code/e947d67b0dbf6168b3804e1adbceeb56.html
欢迎转载！但请带上文章地址^^