From: Sem <sembrestels@riseup.net>
Date: Thu, 15 Nov 2012 00:16:42 +0000 (+0100)
Subject: Refs #4904. Checking if page has segments before using them.
X-Git-Url: https://gitweb.fluxo.info/?a=commitdiff_plain;h=4f01b88b9fc1fe476189d53df7a34303502ba17e;p=lorea%2Felgg.git

Refs #4904. Checking if page has segments before using them.
---

diff --git a/mod/blog/lib/blog.php b/mod/blog/lib/blog.php
index 1ccfe4dc4..4dcc7d56e 100644
--- a/mod/blog/lib/blog.php
+++ b/mod/blog/lib/blog.php
@@ -411,8 +411,8 @@ function blog_url_forwarder($page) {
 	global $CONFIG;
 
 	// group usernames
-	if (substr_count("$page[0]/$page[1]", 'group:')) {
-		preg_match('/group\:([0-9]+)/i', "$page[0]/$page[1]", $matches);
+	if (substr_count(implode('/', $page), 'group:')) {
+		preg_match('/group\:([0-9]+)/i', implode('/', $page), $matches);
 		$guid = $matches[1];
 		$entity = get_entity($guid);
 		if ($entity) {
@@ -426,6 +426,10 @@ function blog_url_forwarder($page) {
 		}
 	}
 
+	if (!isset($page[0])) {
+		return;
+	}
+
 	// user usernames
 	$user = get_user_by_username($page[0]);
 	if (!$user) {