Changeset 12202

Timestamp:

11/17/2009 09:01:03 PM (9 years ago)

Author:

ryan

Message:

Fix undefined index notice in canonical. Props dd32. fixes #11057

File:

• trunk/wp-includes/canonical.php (modified) (1 diff)

trunk/wp-includes/canonical.php

@@ -126 +126 @@
             if ( $redirect_url = get_year_link(get_query_var('year')) )
                 $redirect['query'] = remove_query_arg('year', $redirect['query']);
-        } elseif ( is_category() && preg_match( '|^[0-9]+$|', $_GET['cat'] ) ) {
+        } elseif ( is_category() && !empty($_GET['cat']) && preg_match( '|^[0-9]+$|', $_GET['cat'] ) ) {
             if ( $redirect_url = get_category_link(get_query_var('cat')) )
                 $redirect['query'] = remove_query_arg('cat', $redirect['query']);
-        } elseif ( is_author() && preg_match( '|^[0-9]+$|', $_GET['author'] ) ) {
+        } elseif ( is_author() && !empty($_GET['author']) && preg_match( '|^[0-9]+$|', $_GET['author'] ) ) {
             $author = get_userdata(get_query_var('author'));
             if ( false !== $author && $redirect_url = get_author_posts_url($author->ID, $author->user_nicename) )