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<?php if (!defined('SEOSTATSPATH')) exit('No direct access allowed!'); /** * SEOstats extension for Alexa data. * * @package SEOstats * @author Stephan Schmitz <eyecatchup@gmail.com> * @updated 2013/01/18 / class SEOstats_Alexa extends SEOstats implements services { /* * Used for cache * @var DOMXPath / private $_xpath = NULL; /* * Used for cache * @var DOMXPath / private $_lastLoadedUrl = NULL; /* * The global rank is compute as an average over three months * * @return int / public function getGlobalRank($url = false) { return $this->getQuarterRank($url); } /* * Get the average rank over the week * @return int / public function getWeekRank($url = false) { $xpath = $this->_getXPath($url); $nodes = @$xpath->query("//[@id='rank']/table/tr[2]/td[1]"); return self::retInt( strip_tags($nodes->item(0)->nodeValue) ); } /** * Get the average rank over the week * @return int / public function getMonthRank($url = false) { $xpath = $this->_getXPath($url); $nodes = @$xpath->query("//[@id='rank']/table/tr[3]/td[1]"); return self::retInt( strip_tags($nodes->item(0)->nodeValue) ); } public function getQuarterRank($url = false) { $xpath = $this->_getXPath($url); $nodes = @$xpath->query("//[@id='siteStats']/tbody/tr[1]/td[1]/div"); return self::retInt( strip_tags($nodes->item(0)->nodeValue) ); } public function getCountryRank($url = false) { $xpath = $this->_getXPath($url); $nodes = @$xpath->query("//[@id='siteStats']/tbody/tr[1]/td[2]/div"); $rank = self::retInt( strip_tags($nodes->item(0)->nodeValue) ); if (0 != $rank) { $cntry = @explode("\n", $nodes->item(1)->nodeValue, 3); return array( 'rank' => $rank, 'country' => $cntry[1] ); } else { return 'No data available.'; } } public function getBacklinkCount($url = false) { $xpath = $this->_getXPath($url); $nodes = @$xpath->query("//[@id='siteStats']/tbody/tr[1]/td[3]/div[1]/a"); return self::retInt($nodes->item(0)->nodeValue); } public function getPageLoadTime($url = false) { $xpath = $this->_getXPath($url); $nodes = @$xpath->query( "//[@id='trafficstats_div']/div[4]/div[1]/p" ); return strip_tags($nodes->item(0)->nodeValue); } /** * @access public * @param integer $type Specifies the graph type. Valid values are 1 to 6. * @param integer $width Specifies the graph width (in px). * @param integer $height Specifies the graph height (in px). * @param integer $period Specifies the displayed time period. Valid values are 1 to 12. * @return string Returns a string, containing the HTML code of an image, showing Alexa Statistics as Graph. / public function getTrafficGraph($type = 1, $url = false, $w = 660, $h = 330, $period = 1, $html = true) { $url = false != $url ? $url : self::getUrl(); $domain = UrlHelper::getHost($url); switch($type) { case 1: $gtype = 't'; break; case 2: $gtype = 'p'; break; case 3: $gtype = 'u'; break; case 4: $gtype = 's'; break; case 5: $gtype = 'b'; break; case 6: $gtype = 'q'; break; default:break; } $imgUrl = sprintf(services::ALEXA_GRAPH_URL, $gtype, $w, $h, $period, $domain); if (true != $html) { return $imgUrl; } else { $imgTag = '<img src="%s" width="%s" height="%s" alt="Alexa Statistics Graph for %s"/>'; return sprintf($imgTag, $imgUrl, $w, $h, $domain); } } /* * @return DOMXPath / private function _getXPath($url) { $url = $this->_getUrl($url); if ($this->_lastLoadedUrl == $url) { return $this->_xpath; } $html = $this->_getAlexaPage($url); $doc = $this->_getDOMDocument($html); $xpath = new DOMXPath($doc); $this->_lastLoadedUrl = $url; $this->_xpath = $xpath; return $xpath; } /* * @return DOMDocument / private function _getDOMDocument($html) { $doc = new DOMDocument(); @$doc->loadHtml($html); return $doc; } private function _getAlexaPage($url) { $domain = UrlHelper::getHost($url); $dataUrl = sprintf(services::ALEXA_SITEINFO_URL, $domain); return HttpRequest::sendRequest($dataUrl); } /* * Ensure the URL is set, return default otherwise * @return string / private function _getUrl($url) { $url = false != $url ? $url : self::getUrl(); return $url; } private function retInt($str) { $strim = trim(str_replace(',', '', $str)); $intStr = 0 < strlen($strim) ? $strim : '0'; return intval($intStr); } } / End of file seostats.alexa.php / / Location: ./src/modules/seostats.alexa.php */

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