PHP to achieve professional access to Web site SEO information class examples _php skills

This article describes the PHP to achieve professional access to Web site SEO information class. Share to everyone for your reference. Specifically as follows:

The features of this SEO class include:
-Check the specified Web site response
-Get the language and other meta tag data from the home page of the site
-Get the site's import links, ranking from Alexa traffic
-Access to the site's import links, the number of pages indexed by Google
-Get the trust of the website from WOT rankings.
-GET, because it is the first registered website domain name age
-Number of pages on the Twitter site obtained
-Get the Site page of the Facebook link
-Get the website speed level of Google page
-Get the site's Google page rankings

<?php/** * SEO for different metrics * * @category seo * @author chema <chema@garridodiaz.com> * @copyright (c) 2009-2012 Open Classifieds Team * @license GPL v3 * Based on SEO script http://www.phpeasycode.co M && 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!= && $int _return_code!= 302 && $int _return_code!= 304) {return fals
    E
  else return TRUE;
   }/** * HTTP GET request with curl. * * @param string $urlString, containing the URL to curl.
   * @return String Returns String, containing the curl result.
    * */protected static function get_html ($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 Mediatempl
    E/* $html = new DOMDocument (); if (! $html->loadhtmlfile ($url)) return false;*/if (! $html _content = self::get_html ($url)) return Fals
    E
    $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)
    {$domain = self::d omain_name ($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 $url * @return integer/public static function Alexa_li
    Nks ($url) {$domain = self::d omain_name ($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) {//$query = self::d omain_name ($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 $url * @param integer/public static Fu Nction Google_links ($url) {$request = "http://www.google.com/search?q=". UrlEncode ("Link:". $url).
    "&hl=en";
    $data = self::get_html ($request); Preg_match ('/<div id=resultstats> ')? (
    [\d,]+) Result/si ', $data, $l); Return ($l [2])?
  $l [2]: NULL; /** * * Web of trust rating * @param string $url * @reutn integer/public static function Wot_ratin
    G ($url) {$domain = self::d omain_name ($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) {//ex
    Ecution 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 @param string $url * @return integer/public static funct Ion Page_speed ($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 $url * @return integer/public static function Page_ra NK ($url) {$query = "http://toolbarqueries.google.com/tbr?client=navclient-auto&ch=". Self::checkhash (Self::has HURL ($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, $Magic) {$Int 32Unit = 4294967296;//2^32 $length = strlen ($STR);
      for ($i = 0; $i < $length; $i + +) {$Check *= $Magic; If the float is beyond the boundaries of integer (usually-+-2.15e+9 = 2^31),//The result of converting to inte Ger is undefined
      Refer to http://www.php.net/manual/en/language.types.integer.php if ($Check >= $Int 32Unit) {$C
        Heck = ($Check-$Int 32Unit * (int) ($Check/$Int 32Unit)); If the check less than-2^31 $Check = ($Check < 2147483648)?
      ($Check + $Int 32Unit): $Check;
    $Check + + ord ($Str {$i});
  return $Check; }/** * Genearate a hash for a URL/public static function Hashurl ($String) {$Check 1 = self::strtonum ($
    String, 0x1505, 0x21);
    $Check 2 = self::strtonum ($String, 0, 0x1003f);
    $Check 1 >>= 2; $Check 1 = (($Check 1 >> 4) & 0x3ffffc0) |
    ($Check 1 & 0x3F); $Check 1 = (($Check 1 >> 4) & 0x3ffc00) |
    ($Check 1 & 0x3ff); $Check 1 = (($Check 1 >> 4) & 0x3c000) |
    ($Check 1 & 0x3fff); $T 1 = ((($Check 1 & 0x3c0) << 4) | ($Check 1 & 0x3c)) &LT;&LT;2) |
    ($Check 2 & 0xf0f); $T 2 = ((($Check 1 & 0xffffc000) << 4) | ($Check 1 & 0x3C00)) << 0xA) |
    ($Check 2 & 0xf0f0000);
  Return ($T 1 | $T 2); }/** * Genearate a checksum for the hash string/public static function Checkhash ($Hashnum) {$CheckByt
    e = 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; }
}

Use example

<?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 ($meta _tags));
    The If site online if ($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);  
    $stats [' domain '] [' domain_age '] = Seoreport::d omain_age ($url);  
    $stats [' Social '] [' Twitter '] = Seoreport::tweet_count ($url);
    $stats [' Social '] [' Facebook '] = Seoreport::facebook_shares ($url);
    $stats [' Google '] [' page_rank '] = Seoreport::p age_rank ($url);
    $stats [' Google '] [' page_speed '] = Seoreport::p age_speed ($url);
    $stats [' Google '] [' pages '] = seoreport::google_pages ($url);
    $stats [' Google '] [' links '] = Seoreport::google_links ($url);
 Var_dump ($stats); Else ' Site not online. '. $url;

I hope this article will help you with your PHP programming.