}
if (($_GET['gr'] || $_GET['gr'] === '0') && $PDA && !$_GET['action']) {
$query_string = preg_replace('/gr=' . $_GET['gr'] . '/', '', $_SERVER['QUERY_STRING']);
$query_string = preg_replace('/^&/', '', $query_string);
$query_string = $query_string ? "?{$query_string}" : '';
$locUrl = $_GET['gr'] === '0' ? '/blogs/' : getFriendlyURL('blog_group', $_GET['gr']);
if (trim($locUrl) == '') {
$locUrl = '/404.php';
} else {
$locUrl = $locUrl . $query_string;
}
header('HTTP/1.1 301 Moved Permanently');
header('Location: ' . $locUrl);
exit;
}
$gr = blogs::getGroupId($_GET['grname']);
if (!$gr && $_GET['grname']) {
header('Location: /404.php');
exit;
} else {
if (BLOGS_CLOSED == true) {
$commune_category = $gr + 1000;
$ord2om = array('best' => 1, 'relevant' => 2, 'my' => 3);
$http_query = '';
if (isset($_GET['ord']) && isset($ord2om[$_GET['ord']])) {
$query['om'] = $ord2om[$_GET['ord']];
}
if ($commune_category > 1000) {
$query['cat'] = $commune_category;
}
if (isset($query)) {