From db0cf50f658a91d0d0a019256e6e85d73b7a3ff6 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Fri, 19 Mar 2010 15:54:16 -0700
Subject: [PATCH] Avoid notices for accessing undefined array indices in hcard
 processing

---
 plugins/OStatus/lib/discoveryhints.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/OStatus/lib/discoveryhints.php b/plugins/OStatus/lib/discoveryhints.php
index 9102788e6f..80cfbbf15e 100644
--- a/plugins/OStatus/lib/discoveryhints.php
+++ b/plugins/OStatus/lib/discoveryhints.php
@@ -102,7 +102,7 @@ class DiscoveryHints {
         if (array_key_exists('url', $hcard)) {
             if (is_string($hcard['url'])) {
                 $hints['homepage'] = $hcard['url'];
-            } else if (is_array($hcard['url'])) {
+            } else if (is_array($hcard['url']) && !empty($hcard['url'])) {
                 // HACK get the last one; that's how our hcards look
                 $hints['homepage'] = $hcard['url'][count($hcard['url'])-1];
             }
@@ -231,7 +231,7 @@ class DiscoveryHints {
 
         // If it's got a scheme, use it
 
-        if ($parts['scheme'] != '') {
+        if (!empty($parts['scheme'])) {
             return $rel;
         }