Fix PHP warnings.

main/calendar/agenda_list.php

@@ -37,8 +37,8 @@ if (!empty($GLOBALS['_cid']) && $GLOBALS['_cid'] != -1) {
     // Agenda is out of the course tool (e.g personal agenda)
     $url = false;
     foreach ($events as &$event) {
-        $event['url'] = api_get_self() . '?cid=' . $event['course_id'] .
-        '&type=' . $event['type'];
+        $courseId = isset($event['course_id']) ? $event['course_id'] : '';
+        $event['url'] = api_get_self().'?cid='.$courseId.'&type='.$event['type'];
     }
 }
 

main/inc/lib/formvalidator/Element/DateRangePicker.php

@@ -9,7 +9,7 @@ class DateRangePicker extends HTML_QuickForm_text
     /**
     * Constructor
     */
-    public function DateRangePicker($elementName = null, $elementLabel = null, $attributes = null)
+    public function __construct($elementName = null, $elementLabel = null, $attributes = null)
     {
         if (!isset($attributes['id'])) {
             $attributes['id'] = $elementName;

main/inc/lib/formvalidator/FormValidator.class.php

@@ -185,7 +185,6 @@ EOT;
         $this->layout = $layout;
     }
 
-
     /**
      * Adds a text field to the form.
      * A trim-filter is attached to the field.

main/social/invitations.php

@@ -4,9 +4,7 @@
  * @package chamilo.social
  * @author Julio Montoya <gugli100@gmail.com>
  */
-/**
- * Initialization
- */
+
 $language_file = array('userInfo');
 $cidReset=true;
 require_once '../inc/global.inc.php';
@@ -93,8 +91,7 @@ if (is_array($_GET) && count($_GET)>0) {
 }
 //Block Avatar Social
 $userInfo    = UserManager::get_user_info_by_id($user_id);
-
-$social_avatar_block = SocialManager::getSocialUserBlock($user_id, invitations);
+$social_avatar_block = SocialManager::getSocialUserBlock($user_id, 'invitations');
 //Block Menu Social
 $social_menu_block = SocialManager::show_social_menu('invitations');
 //Block Invitations