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本文实例讲述了PHP实现专业获取网站seo信息类。分享给大家供大家参考。具体如下:
这个SEO类的功能包括: - 检查指定的网站响应 - 获取从该网站主页的语言和其他Meta标签数据的 - 获取网站的导入链接,从Alexa的流量排名 - 获取网站的导入链接,由谷歌索引的网页数量 - 获取网站的信任,从WOT排名。 - 获取,因为它是第一个注册的网站域名年龄 - 获取的Twitter网站页面的数量 - 获取的Facebook链接的网站页面 - 获取网站谷歌网页速度等级 - 获取网站的谷歌网页排名
PHP;"> <>PHP /** * * SEO report for different metrics * * @category SEO * @author Chema* @copyright (c) 2009-2012 Open Classifieds Team * @license GPL v3 * Based on SEO report script http://www.PHPeasycode.com && PHP class SEOstats * */ class SEOreport{ /** * * check if a url is online/alive * @param string $url * @return bool */ public static function is_alive($url) { $ch = curl_init(); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_BINARYTRANSFER,1); curl_setopt($ch,CURLOPT_HEADERFUNCTION,'curlHeaderCallback'); curl_setopt($ch,CURLOPT_FAILONERROR,1); curl_exec ($ch); $int_return_code = curl_getinfo($ch,CURLINFO_HTTP_CODE); curl_close ($ch); if ($int_return_code != 200 && $int_return_code != 302 && $int_return_code != 304) { return FALSE; } else return TRUE; } /** * HTTP GET request with curl. * * @param string $url String,containing the URL to curl. * @return string Returns string,containing the curl result. * */ protected static function get_html($url) { $ch = curl_init($url); curl_setopt($ch,CURLOPT_RETURNTRANSFER,CURLOPT_CONNECTTIMEOUT,5); curl_setopt($ch,CURLOPT_FOLLOWLOCATION,CURLOPT_MAXREDIRS,2); if(strtolower(parse_url($url,PHP_URL_SCHEME)) == 'https') { curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,1); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,1); } $str = curl_exec($ch); curl_close($ch); return ($str)?$str:FALSE; } /** * * get the domain from any URL * @param string $url */ public static function domain_name($url) { $Nowww = ereg_replace('www\.','',$url); $domain = parse_url($Nowww); if(!empty($domain["host"])) return $domain["host"]; else return $domain["path"]; } /** * * get the Metas from a url and the language of the site * @param string $url * @return array */ public static function Meta_info($url) { //doesn't work at mediatemple /*$html = new DOMDocument(); if(!$html->loadHtmlFile($url)) return FALSE;*/ if (!$html_content = self::get_html($url)) return FALSE; $html = new DOMDocument(); $html->loadHtml($html_content); $xpath = new DOMXPath( $html ); $url_info = array(); $langs = $xpath->query( '//html' ); foreach ($langs as $lang) { $url_info['language'] = $lang->getAttribute('lang'); } $<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>s = $xpath->query( '//<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>' ); foreach ($<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>s as $<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>) { if ($<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>->getAttribute('name')) { $url_info[$<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>->getAttribute('name')] = $<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>->getAttribute('content'); } } return $url_info;
}
/**
- Alexa rank
- @param string $url
- @return integer
/
public static function alexa_rank($url)
{
$domain = self::domain_name($url);
$request = "http://data.alexa.com/data?cli=10&dat=s&url=" . $domain;
$data = self::get_html($request);
preg_match('/<POPULARITY URL="(.?)" TEXT="([\d]+)"\/>/si',$data,$p);
return ($l[2]) ? $l[2] : NULL;
}
/**- Alexa inbounds link
- @param string $url
- @return integer
*/
public static function alexa_links($url)
{
$domain = self::domain_name($url);
$request = "http://data.alexa.com/data?cli=10&dat=s&url=" . $domain;
$data = self::get_html($request);
preg_match('/<LINKSIN NUM="([\d]+)"\/>/si',$l);
return ($l[1]) ? $l[1] : NULL;
}
/**- Returns total amount of results for any Google search,* requesting the deprecated Websearch API.
- @param string $query String,containing the search query.
- @return integer Returns a total count.
*/
public static function google_pages($url)
{
//$query = self::domain_name($url);
$url = 'http://ajax.googleapis.com/ajax/services/search/web?v=1.0&rsz=1&q='.$url;
$str = self::get_html($url);
$data = json_decode($str);
return (!isset($data->responseData->cursor->estimatedResultCount))
? '0'
: intval($data->responseData->cursor->estimatedResultCount);
}
/**- gets the inbounds links from a site
- @param string $url
- @param integer
*/
public static function google_links($url)
{
$request = "http://www.google.com/search?q=" . urlencode("link:" . $url) . "&hl=en";
$data = self::get_html($request);
preg_match('/(About )?([\d,]+) result/si',$l);
return ($l[2]) ? $l[2] : NULL;
}
/**- web of trust rating
- @param string $url
- @reutn integer
*/
public static function WOT_rating($url)
{
$domain = self::domain_name($url);
$request = "http://api.mywot.com/0.4/public_query2?target=" . $domain;
$data = self::get_html($request);
preg_match_all('/<application name="(\d+)" r="(\d+)" c="(\d+)"\/>/si',$regs);
$trustworthiness = ($regs[2][0]) ? $regs[2][0] : NULL;
return (is_numeric($trustworthiness))? $trustworthiness:NULL;
}/**
- how old is the domain?
- @param string $domain
- @return integer unixtime
*/
public static function domain_age($domain)
{
$request = "http://reports.internic.net/cgi/whois?whois_nic=" . $domain . "&type=domain";
$data = self::get_html($request);
preg_match('/Creation Date: ([a-z0-9-]+)/si',$p);
return (!$p[1])?FALSE:strtotime($p[1]);
}
/**- counts how many tweets about the url
- @param string $url
- @return integer
*/
public static function tweet_count($url)
{
$url = urlencode($url);
$twitterEndpoint = "http://urls.api.twitter.com/1/urls/count.json?url=%s";
$fileData = file_get_contents(sprintf($twitterEndpoint,$url));
$json = json_decode($fileData,true);
unset($fileData); // free memory
return (is_numeric($json['count']))? $json['count']:NULL;
}
/**- Returns the total amount of Facebook Shares for a single page
- @link https://graph.facebook.com/
- @param string The URL to check.
- @return integer Returns the total amount of Facebook
*/
public static function facebook_shares($q)
{
//Execution and result of Json
$str = self::get_html('http://graph.facebook.com/?id='.urlencode($q));
$data = json_decode($str);
//Return only number of facebook shares
$r = $data->shares;
return ($r != NULL) ? $r : intval('0');
}
/**- get the pagespeed rank over 100
- @param string $url
- @return integer
*/
public static function page_speed($url)
{
$url = 'https://developers.google.com/_apps/pagespeed/run_pagespeed?url='.$url.'&format=json';
$str = self::get_html($url);
$data = json_decode($str);
return intval($data->results->score);
}
/**- get google page rank
- @param string $url
- @return integer
*/
public static function page_rank($url)
{
$query = "http://toolbarqueries.google.com/tbr?client=navclient-auto&ch=".self::CheckHash(self::HashURL($url)). "&features=Rank&q=info:".$url."&num=100&filter=0";
$data = self::get_html($query);//die(printr($data));
$pos = strpos($data,"Rank");
if($pos === false)
{
return NULL;
}
else
{
$pagerank = substr($data,$pos + 9);
return $pagerank;
}
}
// functions for google pagerank
/**- To calculate PR functions
/
public static function StrToNum($Str,$Check,$Magic)
{
$Int32Unit = 4294967296; // 2^32
$length = strlen($Str);
for ($i = 0; $i < $length; $i++) {
$Check = $Magic;
//If the float is beyond the boundaries of integer (usually +/- 2.15e+9 = 2^31),// the result of converting to integer is undefined
// refer to http://www.php.net/manual/en/language.types.integer.php
if ($Check >= $Int32Unit) {
$Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
//if the check less than -2^31
$Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check;
}
$Check += ord($Str{$i});
}
return $Check;
}
/**- Genearate a hash for a url
*/
public static function HashURL($String)
{
$Check1 = self::StrToNum($String,0x1505,0x21);
$Check2 = self::StrToNum($String,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 | $T2);
}
/**- genearate a checksum for the hash string
*/
public static function CheckHash($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;
}
}
使用范例
PHP;"> <>PHP include 'SEOreport.PHP'; ini_set('max_execution_time',180); $url = (isset($_GET['url']))?$_GET['url']:'http://PHPclasses.org'; $Meta_tags = SEOreport::Meta_info($url); //die(var_dump($Meta_tags)); //first check if site online if ($Meta_tags!==FALSE) { $stats = array(); $stats['Meta'] = $Meta_tags; $stats['alexa']['rank'] = SEOreport::alexa_rank($url); $stats['alexa']['links'] = SEOreport::alexa_links($url); $stats['domain']['WOT_rating'] = SEOreport::WOT_rating($url); $stats['domain']['domain_age'] = SEOreport::domain_age($url); $stats['social']['twitter'] = SEOreport::tweet_count($url); $stats['social']['facebook'] = SEOreport::facebook_shares($url); $stats['google']['page_rank'] = SEOreport::page_rank($url); $stats['google']['page_speed'] = SEOreport::page_speed($url); $stats['google']['pages'] = SEOreport::google_pages($url); $stats['google']['links'] = SEOreport::google_links($url); var_dump($stats); } else 'Site not online. '.$url;
希望本文所述对大家的PHP程序设计有所帮助。
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