/**
* Retrieves a favicon for the given page.
*/
function getFavicon($url, $page)
{
$urlparts = parse_url($url);
$regex = '!<link rel="(shortcut )?icon" href="([^"]+)" ?/?>!';
if (preg_match($regex, $page, $match)) {
$icon = $match[2];
if (!preg_match("#^(http://)?[^/]+#i", $icon)) {
$icon = $urlparts['scheme'] . '://' . $urlparts['host'] . ($icon[0] == '/' ? '' : '/') . $icon;
}
return $icon;
}
$icon = $urlparts['scheme'] . '://' . $urlparts['host'] . '/favicon.ico';
$http_client = new LinkbackHTTPClient();
$http_client->sendRequest($icon, array(), 'HEAD');
if ($http_client->status == 200) {
return $icon;
} else {
return $this->getConf('favicon_default');
}
}
