/**
* Returns blog_id by home url
* If database not initialized yet - returns 0
*
* @return integer
*/
public static function get_current_blog_data()
{
$host = Util_Environment::host();
// subdomain
if (Util_Environment::is_wpmu_subdomain()) {
$blog_data = Util_WpmuBlogmap::try_get_current_blog_data($host);
if (is_null($blog_data)) {
$GLOBALS['w3tc_blogmap_register_new_item'] = $host;
}
return $blog_data;
} else {
// try subdir blog
$url = $host . $_SERVER['REQUEST_URI'];
$pos = strpos($url, '?');
if ($pos !== false) {
$url = substr($url, 0, $pos);
}
$url = rtrim($url, '/');
$start_url = $url;
for (;;) {
$blog_data = Util_WpmuBlogmap::try_get_current_blog_data($url);
if (!is_null($blog_data)) {
return $blog_data;
}
$pos = strrpos($url, '/');
if ($pos === false) {
break;
}
$url = rtrim(substr($url, 0, $pos), '/');
}
$GLOBALS['w3tc_blogmap_register_new_item'] = $start_url;
return null;
}
}
