Improving foreach and error reporting see BT#3211

main/user/user_import.php

@@ -2,15 +2,17 @@
 /* For licensing terms, see /license.txt */
 
 $language_file = array('registration', 'admin', 'userInfo');
-require_once '../inc/global.inc.php';
 
+require_once '../inc/global.inc.php';
 require_once api_get_path(LIBRARY_PATH).'import.lib.php';
 
 $this_section = SECTION_COURSES;
 
 // notice for unauthorized people.
 api_protect_course_script(true);
+
 $tool_name = get_lang('ImportUsersToACourse');
+
 $interbreadcrumb[] = array ("url" => "user.php", "name" => get_lang("Users"));
 $interbreadcrumb[] = array ("url" => "#", "name" => get_lang("ImportUsersToACourse"));
 
@@ -35,24 +37,25 @@ $type = '';
 
 if ($form->validate()) {
     if (isset($_FILES['import_file']['size']) && $_FILES['import_file']['size'] !== 0) {
+        
         $users  = Import::csv_to_array($_FILES['import_file']['tmp_name']);
+        
         $invalid_users  = array();
         $clean_users    = array();
         $users_in_file  = array();
         
         if (!empty($users)) {
+            var_dump($users);
             foreach ($users as $user) {
                 $user_info = api_get_user_info($user['id']);
+                if (!empty($user_info)) {
                     $clean_users[$user['id']] = $user_info;
                     $users_in_file[$user['id']] = $user;
-            }
+                } else {
-
-            foreach($users as $user) {                                
-                if (!UserManager::is_user_id_valid($user['id'])) {
                     $invalid_users[] = $user['id'];
                 }
             }
-            
+            //var_dump($clean_users);
             if (empty($invalid_users)) {
                 $type = 'confirmation';
                 $message = get_lang('ListOfUsersSubscribedToCourse');
@@ -75,12 +78,17 @@ if ($form->validate()) {
 }
 
 Display::display_header();
+
 if (!empty($message)) {
+    if (!empty($user_to_show)) {
         if ($type == 'confirmation') {
-        Display::display_confirmation_message($message.': '.implode(', ', $user_to_show));
+            Display::display_confirmation_message($message.': <br />'.implode(', ', $user_to_show), false);
         } else {
             Display::display_warning_message($message.': '.implode(', ', $user_to_show));
         }
+    } else {
+        Display::display_error_message(get_lang('ErrorsWhenImportingFile'));
+    }
 }
     
 $form->display();