<?php /************************** 查网站PR 和百度收录数的方法
getpr('http://www.im286.com') 返回数字RP值 pagerank($url,$width=40,$method='style') 返回指定宽度的HTML代码 $method 可选 style 和 image baidu($url) 返回百度收录数
**************************/ function StrToNum($Str, $Check, $Magic) { $Int32Unit = 4294967296;
$length = strlen($Str); for ($i = 0; $i < $length; $i++) { $Check *= $Magic; if ($Check >= $Int32Unit) { $Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit)); $Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check; } $Check += ord($Str{$i}); } return $Check; }
function HashURL($String) { $Check1 = StrToNum($String, 0x1505, 0x21); $Check2 = StrToNum($String, 0, 0x1003F);
$Check1 >>= 2; $Check1 = (($Check1 >> 4) & 0x3FFFFC0 ) | ($Check1 & 0x3F); $Check1 = (($Check1 >> 4) & 0x3FFC00 ) | ($Check1 & 0x3FF); $Check1 = (($Check1 >> 4) & 0x3C000 ) | ($Check1 & 0x3FFF);
$T1 = (((($Check1 & 0x3C0) << 4) | ($Check1 & 0x3C)) <<2 ) | ($Check2 & 0xF0F ); $T2 = (((($Check1 & 0xFFFFC000) << 4) | ($Check1 & 0x3C00)) << 0xA) | ($Check2 & 0xF0F0000 );
return ($T1 | $T2); }
function CheckHash($Hashnum) { $CheckByte = 0; $Flag = 0;
$HashStr = sprintf('%u', $Hashnum) ; $length = strlen($HashStr);
for ($i = $length - 1; $i >= 0; $i --) { $Re = $HashStr{$i}; if (1 === ($Flag % 2)) { $Re += $Re; $Re = (int)($Re / 10) + ($Re % 10); } $CheckByte += $Re; $Flag ++; }
$CheckByte %= 10; if (0 !== $CheckByte) { $CheckByte = 10 - $CheckByte; if (1 === ($Flag % 2) ) { if (1 === ($CheckByte % 2)) { $CheckByte += 9; } $CheckByte >>= 1; } }
return '7'.$CheckByte.$HashStr; }
function getch($url) { return CheckHash(HashURL($url)); }
function getpr($url) { $googlehost='toolbarqueries.google.com'; $googleua ='Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; .NET CLR 1.1.4322)'; $ch = getch($url); $fp = fsockopen($googlehost, 80, $errno, $errstr, 30); if ($fp) { $out = "GET /search?client=navclient-auto&ch=$ch&features=Rank&q=info:$url HTTP/1.1\r\n"; $out .= "User-Agent: $googleua\r\n"; $out .= "Host: $googlehost\r\n"; $out .= "Connection: Close\r\n\r\n";
fwrite($fp, $out);
while (!feof($fp)) { $data = fgets($fp, 128); $pos = strpos($data, "Rank_"); if($pos === false){} else{ $pr=substr($data, $pos + 9); $pr=trim($pr); $pr=str_replace("\n",'',$pr); return $pr; } } fclose($fp); } }
function pagerank($url,$width=40,$method='style') { if (!preg_match('/^(http:\/\/)?([^\/]+)/i', $url)) { $url='http://'.$url; } $pr=getpr($url); $pagerank="PageRank: $pr/10";
if ($method == 'image') { $prpos=$width*$pr/10; $prneg=$width-$prpos; $html='<img src="http://www.google.com/images/pos.gif" width='.$prpos.' height=4 border=0 alt="'.$pagerank.'"><img src="http://www.google.com/images/neg.gif" width='.$prneg.' height=4 border=0 alt="'.$pagerank.'">'; } if ($method == 'style') { $prpercent=100*$pr/10; $html='<div style="position: relative; width: '.$width.'px; padding: 0; background: #D9D9D9;"><strong style="width: '.$prpercent.'%; display: block; position: relative; background: #5EAA5E; text-align: center; color: #333; height: 4px; line-height: 4px;"><span></span></strong></div>'; }
$out='<a href="'.$url.'" title="'.$pagerank.'">'.$html.'</a>'; return $out; }
function cut($string,$start,$end) { $content = explode($start,$string); $content = explode($end,$content[1]); return $content[0]; }
function baidu($url) { $url = explode('/',str_replace('http://','',$url)); $url = 'http://www.baidu.com/s?wd=site:'.str_replace('www.','',$url[0]); $baidu = file_get_contents($url); $num = str_replace(",","",cut($baidu,"找到相关网页约", "篇" )); if(!$num){ $num = str_replace(",","",cut($baidu,"找到相关网页", "篇" )); if(!$num){ $num = 0; } } return $num; }
?>
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