/**
* Extract default namespaces to search from the given user's
* settings, returning a list of index numbers.
*
* @param $user User
* @return Array
*/
public static function userNamespaces($user)
{
global $wgSearchEverythingOnlyLoggedIn;
// get search everything preference, that can be set to be read for logged-in users
$searcheverything = false;
if ($wgSearchEverythingOnlyLoggedIn && $user->isLoggedIn() || !$wgSearchEverythingOnlyLoggedIn) {
$searcheverything = $user->getOption('searcheverything');
}
// searcheverything overrides other options
if ($searcheverything) {
return array_keys(SearchEngine::searchableNamespaces());
}
$arr = Preferences::loadOldSearchNs($user);
$searchableNamespaces = SearchEngine::searchableNamespaces();
$arr = array_intersect($arr, array_keys($searchableNamespaces));
// Filter
return $arr;
}