Fix php warnings, add docs

main/survey/ch_comment.php

@@ -6,6 +6,11 @@
  */
 class ch_comment extends survey_question
 {
+    /**
+     * @param FormValidator $form
+     * @param array $questionData
+     * @param string $answers
+     */
     public function render(FormValidator $form, $questionData = array(), $answers = '')
     {
         if (is_array($answers)) {

main/survey/ch_open.php

@@ -6,6 +6,11 @@
  */
 class ch_open extends survey_question
 {
+    /**
+     * @param FormValidator $form
+     * @param array $questionData
+     * @param string $answers
+     */
     public function render(FormValidator $form, $questionData = array(), $answers = '')
     {
         if (is_array($answers)) {
@@ -16,6 +21,6 @@ class ch_open extends survey_question
 
         $name = 'question'.$questionData['question_id'];
         $form->addTextarea($name, null);
-        $form->setDefaults([$name => $answers]);
+        $form->setDefaults([$name => $content]);
     }
 }

main/survey/ch_personality.php

@@ -6,7 +6,6 @@
  */
 class ch_personality extends survey_question
 {
-
     /**
      * This function creates the form elements for the multiple response questions
      *

main/survey/preview.php

@@ -7,7 +7,6 @@
  * 	@author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts of the code
  *	@author Julio Montoya Armas <gugli100@gmail.com>, Chamilo: Personality Test modifications
  * 	@version $Id: survey_list.php 10680 2007-01-11 21:26:23Z pcool $
- *
  */
 
 require_once '../inc/global.inc.php';

main/survey/survey.php

@@ -50,7 +50,10 @@ $course_id = api_get_course_int_id();
 $action = isset($_GET['action']) ? $_GET['action'] : null;
 
 // Breadcrumbs
-$interbreadcrumb[] = array ('url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php', 'name' => get_lang('SurveyList'));
+$interbreadcrumb[] = array(
+		'url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php',
+		'name' => get_lang('SurveyList'),
+);
 
 // Getting the survey information
 if (!empty($_GET['survey_id'])) {

main/user/subscribe_user.php

@@ -255,10 +255,6 @@ $form = new FormValidator('search_user', 'get', '', '', null, FormValidator::LAY
 $form->addText('keyword', '', false);
 $form->addElement('hidden', 'type', $type);
 $form->addButtonSearch(get_lang('Search'));
-$form->addElement('static', 'additionalactions', null, $actions);
-
-
-
 echo Display::toolbarAction('toolbar-subscriber', array(0 => $actionsLeft, 1 => $form->returnForm()));
 
 $option = $type == COURSEMANAGER ? 2 : 1;