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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\SEO\Metric;
use Piwik\Http;
use Piwik\NumberFormatter;
use Psr\Log\LoggerInterface;
/**
* Retrieves Google PageRank.
*/
class Google implements MetricsProvider
{
const SEARCH_URL = 'http://www.google.com/search?hl=en&q=site%3A';
/**
* @var LoggerInterface
*/
private $logger;
/**
* @param LoggerInterface $logger
*/
public function __construct(LoggerInterface $logger)
{
$this->logger = $logger;
}
public function getMetrics($domain)
{
$pageCount = $this->fetchIndexedPagesCount($domain);
$logo = "plugins/SEO/images/google.com.png";
return array(
new Metric('google-index', 'SEO_Google_IndexedPages', $pageCount, $logo, null, null, 'General_Pages'),
);
}
public function fetchIndexedPagesCount($domain)
{
$url = self::SEARCH_URL . urlencode($domain);
try {
$response = str_replace(' ', ' ', Http::sendHttpRequest($url, $timeout = 10, @$_SERVER['HTTP_USER_AGENT']));
if (preg_match('#([0-9,\.]+) results#i', $response, $p)) {
return NumberFormatter::getInstance()->formatNumber((int)str_replace(array(',', '.'), '', $p[1]));
} else {
return 0;
}
} catch (\Exception $e) {
$this->logger->warning('Error while getting Google search SEO stats: {message}', array('message' => $e->getMessage()));
return null;
}
}
}
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