phpBB.de

Code: Alles auswählen

[url=www.phpbb.de]Das deutsche Support-Forum für phpBB[/url]

Code: Alles auswählen

<?php

function iget_meta_tags($url, $timeout=2)
{
   $url_parts = parse_url($url);
   $errno = 0;
   $errstr = '';
   if ($fsock = fsockopen($url_parts['host'], 80, $errno, $errstr, $timeout))
   {
      fputs($fsock, "GET " . ($url_parts['path'] ? $url_parts['path'] : '/') . $url_parts['query'] . " HTTP/1.1\r\n");
      fputs($fsock, "HOST: " . $url_parts['host'] . "\r\n");
      fputs($fsock, "Connection: close\r\n\r\n");
      $header = array();
      $currentHeader = '';
      $input = '';
      $data['title'] = '';
      $data['description'] = '';
      $data['keywords'] = '';
      $i = 0;
      while ( ($line=trim(fgets($fsock, 1024))) != '' )
      {
         if ( ($pos=strpos($line, ':')) !== false )
          {
            $currentHeader = substr($line, 0, $pos);
            $header[$currentHeader] = trim(substr($line, $pos+1));
         }
      }
      if ( isset($header['Transfer-Encoding']) && $header['Transfer-Encoding'] == 'chunked' )
      {
         $chunk = hexdec(fgets($fsock, 1024));
      }
      else
      {
         $chunk = -1;
      }
      while ( $chunk != 0 && !feof($fsock) )
      {
         if ( $chunk > 0 )
         {
            $part = fread($fsock, $chunk);
            $chunk -= strlen($part);
            $input .= $part;
            if ( $chunk == 0 )
            {
               if ( fgets($fsock, 1024) != "\r\n" )
               {
                  return false;
               }
               $chunk = hexdec(fgets($fsock, 1024));
            }
            if ( strpos(strtolower($input), '</head>') !== false || substr_count($input, "\n") >= 300 )
            {
               break;
            }
         }
            else
         {
            $input .= fread($fsock, 1024);
         }
      }
      fclose($fsock);
      // remove line breaks
      $input = str_replace('<br>', '', nl2br($input));
      // obtain title
      preg_match('#<title>(.*)</title>#is', $input, $matches);
      $data['title'] = $matches[1];
      // obtain meta tags
      preg_match('#description" content="(.*?)"#is', $input, $matches);
      $data['description'] = $matches[1];
      preg_match('#keywords" content="(.*?)"#is', $input, $matches);
      $data['keywords'] = $matches[1];
      if ( !empty($data) )   
      {
         return $data;
      }
   }
   return false;
}

$row = iget_meta_tags('http://forum.spiegel.de/', 2);
echo('<pre>');
print_r($row);
echo('</pre>');

?>