$url_input = (!$urlprefix == "" ? $urlprefix : "").$data['user_web'];

 $url_input = trim($url_input, '/');

  if (!preg_match('#^http(s)?://#', $url_input)) {

  $url_input = 'http://'.$url_input;

}

$parts = parse_url($url_input);

$web = preg_replace('/^news.php\./', '', $parts['host']);

$url_chk = fsockopen($web, 80, $errno, $errstr, 30);

if (!$url_chk) {

 echo "<td class='$cell_color'>\n<img src='".IMAGES."no_web.png' alt='' title=''></td>\n";

} else {

 echo "<td class='$cell_color'>\n<a href='".$data['user_web']."' target='_blank'><img src='".IMAGES."dl_homepage.png' alt='' title='Webseite'></a></td>\n";

}