Fixes #4024 fixed a lot of notices - enough for this release - found a few bugs

3 files changed, 19 insertions, 6 deletions

diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 10804fdca..47ca157e1 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -1475,8 +1475,12 @@ function elgg_http_url_is_identical($url1, $url2, $ignore_params = array('offset
 	$url1_info = parse_url($url1);
 	$url2_info = parse_url($url2);
 
-	$url1_info['path'] = trim($url1_info['path'], '/');
-	$url2_info['path'] = trim($url2_info['path'], '/');
+	if (isset($url1_info['path'])) {
+		$url1_info['path'] = trim($url1_info['path'], '/');
+	}
+	if (isset($url2_info['path'])) {
+		$url2_info['path'] = trim($url2_info['path'], '/');
+	}
 
 	// compare basic bits
 	$parts = array('scheme', 'host', 'path');
diff --git a/engine/lib/navigation.php b/engine/lib/navigation.php
index aaf9fb544..176790188 100644
--- a/engine/lib/navigation.php
+++ b/engine/lib/navigation.php
@@ -207,7 +207,7 @@ function elgg_register_title_button($handler = null, $name = 'add') {
  */
 function elgg_push_breadcrumb($title, $link = NULL) {
 	global $CONFIG;
-	if (!is_array($CONFIG->breadcrumbs)) {
+	if (!isset($CONFIG->breadcrumbs)) {
 		$CONFIG->breadcrumbs = array();
 	}
 
@@ -242,7 +242,11 @@ function elgg_pop_breadcrumb() {
 function elgg_get_breadcrumbs() {
 	global $CONFIG;
 
-	return (is_array($CONFIG->breadcrumbs)) ? $CONFIG->breadcrumbs : array();
+	if (isset($CONFIG->breadcrumbs) && is_array($CONFIG->breadcrumbs)) {
+		return $CONFIG->breadcrumbs;
+	}
+
+	return array();
 }
 
 /**
diff --git a/engine/lib/views.php b/engine/lib/views.php
index 6ca68ac8c..0f806b8be 100644
--- a/engine/lib/views.php
+++ b/engine/lib/views.php
@@ -743,7 +743,11 @@ function elgg_view_menu($menu_name, array $vars = array()) {
 
 	$sort_by = elgg_extract('sort_by', $vars, 'text');
 
-	$menu = $CONFIG->menus[$menu_name];
+	if (isset($CONFIG->menus[$menu_name])) {
+		$menu = $CONFIG->menus[$menu_name];
+	} else {
+		$menu = array();
+	}
 
 	// Give plugins a chance to add menu items just before creation.
 	// This supports dynamic menus (example: user_hover).
@@ -1198,7 +1202,8 @@ function elgg_view_image_block($image, $body, $vars = array()) {
  * @since 1.8.0
  */
 function elgg_view_module($type, $title, $body, $vars = array()) {
-	$vars['class'] .= " elgg-module-$type";
+
+	$vars['class'] = elgg_extract('class', $vars, '') . " elgg-module-$type";
 	$vars['title'] = $title;
 	$vars['body'] = $body;
 	return elgg_view('page/components/module', $vars);