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php实现专业获取网站SEO信息类实例,seo实例

程序员文章站 2022-04-24 08:04:32
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php实现专业获取网站SEO信息类实例,seo实例

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


 * @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('//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('//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('/
(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('//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 = $Int32Unit) { $Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit)); //if the check less than -2^31 $Check = ($Check >= 2; $Check1 = (($Check1 >> 4) & 0x3FFFFC0 ) | ($Check1 & 0x3F); $Check1 = (($Check1 >> 4) & 0x3FFC00 ) | ($Check1 & 0x3FF); $Check1 = (($Check1 >> 4) & 0x3C000 ) | ($Check1 & 0x3FFF); $T1 = (((($Check1 & 0x3C0) = 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



希望本文所述对大家的php程序设计有所帮助。

php实现专业获取网站SEO信息类实例,seo实例

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