Fix PHP warnings and notices

main/admin/statistics/index.php

@@ -1,6 +1,6 @@
 <?php
-
 /* For licensing terms, see /license.txt */
+
 /**
  * This tool show global Statistics on general platform events
  * @package chamilo.Statistics
@@ -91,10 +91,11 @@ switch ($_REQUEST['report']) {
             )
         );
         $teachers = $students = array();
+        $countInvisible = isset($_GET['count_invisible_courses']) ? $_GET['count_invisible_courses'] : null;
         foreach ($course_categories as $code => $name) {
             $name = str_replace(get_lang('Department'), "", $name);
-            $teachers[$name] = Statistics::count_users(1, $code, $_GET['count_invisible_courses']);
-            $students[$name] = Statistics::count_users(5, $code, $_GET['count_invisible_courses']);
+            $teachers[$name] = Statistics::count_users(1, $code, $countInvisible);
+            $students[$name] = Statistics::count_users(5, $code, $countInvisible);
         }
         // docents for each course category
         Statistics::print_stats(get_lang('Teachers'), $teachers);

main/inc/lib/api.lib.php

@@ -503,6 +503,15 @@ define('SOCIAL_CENTER_PLUGIN', 2);
 define('SOCIAL_RIGHT_PLUGIN', 3);
 define('CUT_GROUP_NAME', 50);
 
+/**
+ * FormValidator Filter
+ */
+define('NO_HTML', 1);
+define('STUDENT_HTML', 2);
+define('TEACHER_HTML', 3);
+define('STUDENT_HTML_FULLPAGE', 4);
+define('TEACHER_HTML_FULLPAGE', 5);
+
 /**
  * Inclusion of internationalization libraries
  */

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

@@ -1,15 +1,6 @@
 <?php
 /* For licensing terms, see /license.txt */
 
-/**
- * Filter
- */
-define('NO_HTML', 1);
-define('STUDENT_HTML', 2);
-define('TEACHER_HTML', 3);
-define('STUDENT_HTML_FULLPAGE', 4);
-define('TEACHER_HTML_FULLPAGE', 5);
-
 /**
  * Objects of this class can be used to create/manipulate/validate user input.
  */
@@ -59,7 +50,7 @@ class FormValidator extends HTML_QuickForm
         $form_target = isset($form_data['target']) ? $form_data['target'] : '';
         $form_attributes = isset($form_data['attributes']) ? $form_data['attributes'] : null;
         $form_track_submit = isset($form_data['track_submit']) ? $form_data['track_submit'] : true;
-
+        $reset = null;
         $result = new FormValidator($form_name, $form_method, $form_action, $form_target, $form_attributes, $form_track_submit);
 
         $defaults = array();

main/inc/lib/statistics.lib.php

@@ -141,12 +141,11 @@ class Statistics
     static function get_number_of_activities()
     {
         // Database table definitions
-        global $_configuration;
         $track_e_default  = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
         $table_user = Database::get_main_table(TABLE_MAIN_USER);
         $access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $current_url_id = api_get_current_access_url_id();
-        if ($_configuration['multiple_access_urls']) {
+        if (api_is_multiple_url_enabled()) {
             $sql = "SELECT count(default_id) AS total_number_of_items FROM $track_e_default, $table_user user, $access_url_rel_user_table url WHERE default_user_id = user.user_id AND user.user_id=url.user_id AND access_url_id='".$current_url_id."'";
         } else {
             $sql = "SELECT count(default_id) AS total_number_of_items FROM $track_e_default, $table_user user WHERE default_user_id = user.user_id ";
@@ -537,6 +536,9 @@ class Statistics
         $user_table = Database :: get_main_table(TABLE_MAIN_USER);
         $access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $current_url_id = api_get_current_access_url_id();
+        $url_condition = null;
+        $url_condition2 = null;
+        $table = null;
         if (api_is_multiple_url_enabled()) {
             $url_condition =  ", $access_url_rel_user_table as url WHERE url.user_id=u.user_id AND access_url_id='".$current_url_id."'";
             $url_condition2 = " AND url.user_id=u.user_id AND access_url_id='".$current_url_id."'";

main/inc/lib/zombie/zombie_manager.class.php

@@ -1,4 +1,5 @@
 <?php
+/* For licensing terms, see /license.txt */
 
 /**
  * ZombieQuery
@@ -9,7 +10,6 @@
  */
 class ZombieManager
 {
-
     static function last_year()
     {
         $today = time();
@@ -47,8 +47,7 @@ class ZombieManager
                     access.login_date';
 
         global $_configuration;
-        if ($_configuration['multiple_access_urls']) {
-
+        if (api_is_multiple_url_enabled()) {
             $access_url_rel_user_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
             $current_url_id = api_get_current_access_url_id();