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php实现专业获取网站SEO信息类实例

更新时间:2020-03-03 22:18:32 作者:startmvc
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

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
/**
 *
 * SEO report for different metrics
 *
 * @category SEO
 * @author Chema <chema@garridodiaz.com>
 * @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($ch,CURLOPT_RETURNTRANSFER,1);
 curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,5);
 curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
 curl_setopt($ch,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');
 }
 $metas = $xpath->query( '//meta' );
 foreach ($metas as $meta)
 {
 if ($meta->getAttribute('name'))
 {
 $url_info[$meta->getAttribute('name')] = $meta->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', $data, $l);
 return ($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('/<div id=resultStats>(About )?([\d,]+) result/si', $data, $l);
 return ($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', $data, $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', $data, $p);
 return (!$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(print_r($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, 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 | $T2);
 }
 /**
 * genearate a checksum for the hash string
 */
 public static function CheckHash($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
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。

php 获取 网站 SEO信息