function getAllParentCategories:\n - possible notice fix\n - single to double quote

diff --git a/includes/Title.php b/includes/Title.php
index 422392f..85b16ed 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -1189,7 +1189,7 @@ class Title {
                        while ( $x = wfFetchObject ( $res ) ) $data[] = $x ;
                        wfFreeResult ( $res ) ;
                } else {
-                       $data = "";
+                       $data = '';
                }
                return $data;
        }
@@ -1200,12 +1200,12 @@ class Title {
        function getAllParentCategories(&$stack)
        {
                global $wgUser,$wgLang;
-               $result = "";
+               $result = '';
                
                # getting parents
                $parents = $this->getParentCategories( );
 
-               if($parents == "")
+               if($parents == '')
                {
                        # The current element has no more parent so we dump the stack
                        # and make a clean line of categories
@@ -1215,11 +1215,15 @@ class Title {
                        {
                                # make a link of that parent
                                $result .= $sk->makeLink($wgLang->getNSText ( Namespace::getCategory() ).":".$parent,$parent);
-                               $result .= " > ";
+                               $result .= ' > ';
                                $lastchild = $child;
                        }
-                       # append the last child
-                       $result .= "$lastchild<br/>\n";
+                       # append the last child.
+                       # TODO : We should have a last child unless there is an error in the
+                       # "categorylinks" table.
+                       if(isset($lastchild) { $result .= $lastchild; }
+                       
+                       $result .= "<br/>\n";
                        
                        # now we can empty the stack
                        $stack = array();
@@ -1238,7 +1242,7 @@ class Title {
                }
 
                if(isset($result)) { return $result; }
-               else { return ""; };
+               else { return ''; };
        }