google 收录查询与pr 查询 php源码下载
本内容是用一查询google 收录查询与pr 查询 的php源码下载哦，下载后稍加修改就可以使用了哦。
function google()
{
//在同时间过于频繁地扫描Google搜索结果,GG会屏蔽该IP.因此冰河在此暂时去掉了此功能
//诸位网友如果想开放此功能可以,可将下面这一行加上注释即可,谢谢!
echo "0"; return "";
global $murl,$furl;
$url = "http://www.google.cn/search?hl=zh-CN&q=site:$furl";
$page = file_get_contents($url);
//echo $page;
$PageNum = "0";
$PageNum = str_replace(",","",cut($page,"<p> 约有 <b>", "</b> 项符合"));
if ($PageNum == "") $PageNum = "0";
echo "<a href='".$url."' target='_blank'>$PageNum</a>";
}
function pr()
{
global $murl,$furl;
echo GetPR("http://$furl") ;
}
function cut($string,$start,$end)
{
$message = explode($start,$string);
$message = explode($end,$message[1]);
return $message[0];
}
//功能与javascript中的escape一样
function escape($str) {
preg_match_all("/[x80-xff].|[x01-x7f]+/",$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v) {
if(ord($v[0]) < 128)
$ar[$k] = rawurlencode($v);
else
$ar[$k] = "%u".bin2hex(iconv("GB2312","UCS-2",$v));
}
return join("",$ar);
}
function unescape($str) {
$str = rawurldecode($str);
preg_match_all("/(?:%u.{4})|.+/",$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v) {
if(substr($v,0,2) == "%u" && strlen($v) == 6)
$ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,-4)));
}
return join("",$ar);
}
//下面的函数用于查pr
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,$c);
}
function GoogleCH($url, $length=null, $init=GOOGLE_MAGIC)
{
if(is_null($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)
{
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]);
}
$mix = mix($a,$b,$c);
return $mix[2];
}
function strord($string) {
for($i=0;$i<strlen($string);$i++) {
$result[$i] = ord($string{$i});
}
return $result;
}
function ReadPR($link)
{
$fp = fsockopen ("www.google.com", 80, $errno, $errstr, 30);
if (!$fp)
{
echo "$errstr ($errno)n";
exit(1);
}
else
{
$out = "GET $link HTTP/1.0rn";
$out .= "Host: toolbarqueries.google.comrn";
$out .= "User-Agent: Mozilla/4.0 (compatible; GoogleToolbar 2.0.114.9-big; Linux 2.6)rn";
$out .= "Connection: Closernrn";
fwrite($fp, $out);
do{
$line = fgets($fp, 128);
}while ($line !== "rn");
$data = fread($fp,8192);
fclose ($fp);
return $data;
}
}
function GetPR($url)
{
$url ='info:'.$url;
$ch = GoogleCH(strord($url));
$data = ReadPR("/search?client=navclient-auto&ch=6$ch&features=Rank&q=$url");
$rankarray = explode (':', $data);
if(trim($rankarray[2])!=""){
return $rankarray[2];
}
else
return "0";
}
补充：Php教程,Php高级应用 
