Removing notices

main/inc/lib/banner.lib.php

@@ -360,9 +360,9 @@ function show_header_3() {
         $homep = api_get_path(SYS_PATH).'home/';
     }
     
-    $ext = '.html';
+    $ext      = '.html';
     $menutabs = 'home_tabs';
-    
+    $home_top = '';
     if (is_file($homep.$menutabs.'_'.$lang.$ext) && is_readable($homep.$menutabs.'_'.$lang.$ext)) {
         $home_top = @(string)file_get_contents($homep.$menutabs.'_'.$lang.$ext);    
     } elseif (is_file($homep.$menutabs.$lang.$ext) && is_readable($homep.$menutabs.$lang.$ext)) {
@@ -376,6 +376,8 @@ function show_header_3() {
     //if (api_get_self() != '/main/admin/configure_homepage.php') {        
     $open = str_replace('{rel_path}',api_get_path(REL_PATH), $home_top);
     $open = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
+    
+    $lis = '';
     if (!empty($open)) {
         $lis .= Display::tag('li', $open);
         $show_bar = true;

main/inc/lib/group_portal_manager.lib.php

@@ -311,9 +311,9 @@ class GroupPortalManager
 		}		
 		
 		$limit_text = '';		
-		if ($empty != '' && $limit != '') {
-		    $from                 = intval($from);
-            $limit                = intval($limit);        
+		if (isset($from) && isset($limit)) {
+		    $from     = intval($from);
+            $limit    = intval($limit);        
 		    $limit_text = "LIMIT $from, $limit";
 		}        
 

main/inc/lib/sortabletable.class.php

@@ -490,6 +490,7 @@ class SortableTable extends HTML_Table {
 			$filter = $visibility_options !== false;
 		}
 		
+		$item_css_class = $item_css_style = $grid_css_class = $grid_css_style = '';
 		if (!empty($grid_class)) {
 		    $grid_css_class = $grid_class['main']['class'];
 		    $item_css_class = $grid_class['item']['class'];