Setting a default value to avoid notices.

git-svn-id: http://code.elgg.org/elgg/trunk@3863 36083f99-b078-4883-b0ff-0f9b5a30f544

diff --git a/engine/lib/input.php b/engine/lib/input.php
index 019e4faa081c77956965103058e6d87a7bc43fba..7c5fd58c41085a090955bd356e160a850703d9d6 100644 (file)
--- a/engine/lib/input.php
+++ b/engine/lib/input.php
@@ -124,6 +124,7 @@ function parse_urls($text) {
                '$matches',
                '
                        $url = $matches[1];
+                       $period = \'\';
                        if (substr($url, -1, 1) == \'.\') {
                                $period = \'.\';
                                $url = trim($url, \'.\');