Use ChamiloSession

main/exercise/TestCategory.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Class TestCategory
  * @author hubert.borderiou
@@ -615,12 +617,12 @@ class TestCategory
     {
         $is_student = !(api_is_allowed_to_edit(null,true) || api_is_session_admin());
         // @todo fix $_SESSION['objExercise']
-        $objExercise = isset($_SESSION['objExercise']) ? $_SESSION['objExercise'] : null;
+        $objExercise = Session::read('objExercise');
         if (!empty($objExercise)) {
             $in_display_category_name = $objExercise->display_category_name;
         }
         $content = null;
-		if (TestCategory::getCategoryNameForQuestion($questionId) != "" && ($in_display_category_name == 1 || !$is_student)) {
+		if (TestCategory::getCategoryNameForQuestion($questionId) != '' && ($in_display_category_name == 1 || !$is_student)) {
             $content .= '<div class="page-header">';
             $content .= '<h4>'.get_lang('Category').": ".TestCategory::getCategoryNameForQuestion($questionId).'</h4>';
             $content .= "</div>";

main/exercise/UniqueAnswerImage.php

@@ -1,7 +1,8 @@
 <?php
-
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * UniqueAnswerImage
  *
@@ -22,9 +23,13 @@ class UniqueAnswerImage extends UniqueAnswer
         $this->isContent = $this->getIsContent();
     }
 
+    /**
+     * @param FormValidator $form
+     * @throws Exception
+     */
     public function createAnswersForm($form)
     {
-        $objExercise = $_SESSION['objExercise'];
+        $objExercise = Session::read('objExercise');
 
         $editorConfig = array(
             'ToolbarSet' => 'TestFreeAnswer',

main/exercise/admin.php

@@ -1,5 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
+
+use ChamiloSession as Session;
+
 /**
  *	Exercise administration
  * 	This script allows to manage (create, modify) an exercise and its questions
@@ -44,8 +47,6 @@
  * Modified by Hubert Borderiou 21-10-2011 Question by category
  */
 
-use ChamiloSession as Session;
-
 require_once '../inc/global.inc.php';
 $current_course_tool  = TOOL_QUIZ;
 $this_section = SECTION_COURSES;
@@ -94,7 +95,7 @@ if (empty($deleteQuestion)) {
 }
 $clone_question = isset($_REQUEST['clone_question']) ? $_REQUEST['clone_question'] : 0;
 if (empty($questionId)) {
-    $questionId = isset($_SESSION['questionId']) ? $_SESSION['questionId'] : 0;
+    $questionId = Session::read('questionId');
 }
 if (empty($modifyExercise)) {
     $modifyExercise = isset($_GET['modifyExercise']) ? $_GET['modifyExercise'] : null;
@@ -117,13 +118,14 @@ Event::delete_all_incomplete_attempts(
 );
 
 // get from session
-$objExercise = isset($_SESSION['objExercise']) ? $_SESSION['objExercise'] : null;
-$objQuestion = isset($_SESSION['objQuestion']) ? $_SESSION['objQuestion'] : null;
+$objExercise = Session::read('objExercise');
+$objQuestion = Session::read('objQuestion');
+
 if (isset($_REQUEST['convertAnswer'])) {
     $objQuestion = $objQuestion->swapSimpleAnswerTypes();
-    $_SESSION['objQuestion'] = $objQuestion;
+    Session::write('objQuestion', $objQuestion);
 }
-$objAnswer   = isset($_SESSION['objAnswer']) ? $_SESSION['objAnswer'] : null;
+$objAnswer = Session::read('objAnswer');
 
 // document path
 $documentPath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';

main/exercise/exercise.php

@@ -66,21 +66,12 @@ $exercisePath = substr($exercisePath, 0, strpos($exercisePath, $exfile));
 $exercisePath = $exercisePath."exercise.php";
 
 // Clear the exercise session
-if (isset($_SESSION['objExercise'])) {
-    Session::erase('objExercise');
-}
-if (isset($_SESSION['objQuestion'])) {
-    Session::erase('objQuestion');
-}
-if (isset($_SESSION['objAnswer'])) {
-    Session::erase('objAnswer');
-}
-if (isset($_SESSION['questionList'])) {
-    Session::erase('questionList');
-}
-if (isset($_SESSION['exerciseResult'])) {
-    Session::erase('exerciseResult');
-}
+
+Session::erase('objExercise');
+Session::erase('objQuestion');
+Session::erase('objAnswer');
+Session::erase('questionList');
+Session::erase('exerciseResult');
 
 //General POST/GET/SESSION/COOKIES parameters recovery
 $origin = isset($_REQUEST['origin']) ? Security::remove_XSS($_REQUEST['origin']) : null;
@@ -172,11 +163,10 @@ if (!empty($errorXmlExport)) {
 HotPotGCt($documentPath, 1, $userId);
 
 // Only for administrator
-
 if ($is_allowedToEdit) {
     if (!empty($choice)) {
         // All test choice, clean all test's results
-        if ($choice == 'clean_all_test') {
+        if ($choice === 'clean_all_test') {
             $check = Security::check_token('get');
             if ($check) {
                 // list of exercises in a course/session

main/exercise/exercise_show.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  *  Shows the exercise results
  *
@@ -12,8 +14,6 @@
  *
  */
 
-use ChamiloSession as Session;
-
 require_once '../inc/global.inc.php';
 $debug = false;
 if (empty($origin)) {
@@ -41,7 +41,7 @@ if (empty($formSent)) {
     $formSent = isset($_REQUEST['formSent']) ? $_REQUEST['formSent'] : null;
 }
 if (empty($exerciseResult)) {
-    $exerciseResult = isset($_SESSION['exerciseResult']) ? $_SESSION['exerciseResult'] : null;
+    $exerciseResult = Session::read('exerciseResult');
 }
 if (empty($questionId)) {
     $questionId = isset($_REQUEST['questionId']) ? $_REQUEST['questionId'] : null;
@@ -56,10 +56,10 @@ if (empty($nbrQuestions)) {
     $nbrQuestions = isset($_REQUEST['nbrQuestions']) ? $_REQUEST['nbrQuestions'] : null;
 }
 if (empty($questionList)) {
-    $questionList = isset($_SESSION['questionList']) ? $_SESSION['questionList'] : null;
+    $questionList = Session::read('questionList');
 }
 if (empty($objExercise)) {
-    $objExercise = isset($_SESSION['objExercise']) ? $_SESSION['objExercise'] : null;
+    $objExercise = Session::read('objExercise');
 }
 if (empty($exeId)) {
     $exeId = isset($_REQUEST['id']) ? $_REQUEST['id'] : null;

main/exercise/exercise_submit_modal.php

@@ -28,11 +28,7 @@ $threadhold1 = null;
 $threadhold2 = null;
 $threadhold3 = null;
 
-$exerciseResult = [];
-
-if (isset($_SESSION['exerciseResult'])) {
-    $exerciseResult = $_SESSION['exerciseResult'];
-}
+$exerciseResult = Session::read('exerciseResult');
 
 $exerciseResultCoordinates = isset($_REQUEST['exerciseResultCoordinates']) ? $_REQUEST['exerciseResultCoordinates'] : null;
 

main/exercise/global_multiple_answer.class.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Class GlobalMultipleAnswer
  */
@@ -28,7 +30,7 @@ class GlobalMultipleAnswer extends Question
         $nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 4;
         $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
 
-        $obj_ex = $_SESSION['objExercise'];
+        $obj_ex = Session::read('objExercise');
 
         /* Mise en variable de Affichage "Reponses" et son icone, "N<EFBFBD>", "Vrai", "Reponse" */
         $html = '<table class="data_table">
@@ -130,7 +132,6 @@ class GlobalMultipleAnswer extends Question
         //only 1 answer the all deal ...
         $form->addElement('text', 'weighting[1]', get_lang('Score'));
 
-        global $pts;
         //--------- Creation coche pour ne pas prendre en compte les n<EFBFBD>gatifs
         $form->addElement('checkbox', 'pts', '', get_lang('NoNegativeScore'));
         $form->addElement('html', '<br />');

main/exercise/hotspot_savescore.inc.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
 *	This file saves every click in the hotspot tool into track_e_hotspots
 *	@package chamilo.exercise
@@ -8,22 +10,21 @@
 * 	@version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $
 */
 require_once '../inc/global.inc.php';
-$courseCode   = $_GET['coursecode'];
-$questionId   = $_GET['questionId'];
-$coordinates  = $_GET['coord'];
-$objExcercise = $_SESSION['objExercise'];
-$exerciseId   = $objExcercise->selectId();
+$courseCode = $_GET['coursecode'];
+$questionId = $_GET['questionId'];
+$coordinates = $_GET['coord'];
+$objExercise = Session::read('objExercise');
+$exerciseId = $objExercise->selectId();
 // Save clicking order
 $answerOrderId = count($_SESSION['exerciseResult'][$questionId]['ids'])+1;
-if ($_GET['answerId'] == "0") // click is NOT on a hotspot
-{
-	$hit = 0;
-	$answerId = NULL;
-}
-else // user clicked ON a hotspot
-{
-	$hit = 1;
-	$answerId = api_substr($_GET['answerId'],22,2);
+if ($_GET['answerId'] == "0") {
+    // click is NOT on a hotspot
+    $hit = 0;
+    $answerId = null;
+} else {
+    // user clicked ON a hotspot
+    $hit = 1;
+    $answerId = api_substr($_GET['answerId'],22,2);
 	// Save into session
 	$_SESSION['exerciseResult'][$questionId][$answerId] = $hit;
 }

main/exercise/hotspot_updatescore.inc.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
 *	This file saves every click in the hotspot tool into track_e_hotspots
 *	@package chamilo.exercise
@@ -10,32 +12,24 @@
 
 require_once '../inc/global.inc.php';
 
-$courseCode   = $_GET['coursecode'];
-$questionId   = $_GET['questionId'];
-$coordinates  = $_GET['coord'];
-$objExcercise = $_SESSION['objExercise'];
-$hotspotId	  = $_GET['hotspotId'];
-$exerciseId   = $objExcercise->selectId();
+$courseCode = $_GET['coursecode'];
+$questionId = $_GET['questionId'];
+$coordinates = $_GET['coord'];
+$objExercise = Session::read('objExercise');
+$hotspotId = $_GET['hotspotId'];
+$exerciseId = $objExercise->selectId();
 if ($_GET['answerId'] == "0") { // click is NOT on a hotspot
-	$hit = 0;
+    $hit = 0;
 	$answerId = $hotspotId;
 
 	// remove from session
 	unset($_SESSION['exerciseResult'][$questionId][$answerId]);
-
-	// Save clicking order
-	//$answerOrderId = count($_SESSION['exerciseResult'][$questionId]['order'])+1;
-	//$_SESSION['exerciseResult'][$questionId]['order'][$answerOrderId] = $answerId;
 } else { // user clicked ON a hotspot
 	$hit = 1;
 	$answerId = $hotspotId;
 
 	// Save into session
 	$_SESSION['exerciseResult'][$questionId][$answerId] = $hit;
-
-	// Save clicking order
-	//$answerOrderId = count($_SESSION['exerciseResult'][$questionId]['order'])+1;
-	//$_SESSION['exerciseResult'][$questionId]['order'][$answerOrderId] = $answerId;
 }
 
 //round-up the coordinates
@@ -47,9 +41,12 @@ foreach ($coords as $coord) {
 }
 $coordinates = substr($coordinates,0,-1);
 
-$TBL_TRACK_E_HOTSPOT   = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
+$TBL_TRACK_E_HOTSPOT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
 
 // update db
 $update_id = $_SESSION['exerciseResult'][$questionId]['ids'][$answerId];
-$sql = "UPDATE $TBL_TRACK_E_HOTSPOT SET coordinate = '".Database::escape_string($coordinates)."' WHERE id = ".intval($update_id)." LIMIT 1 ;;";
+$sql = "UPDATE $TBL_TRACK_E_HOTSPOT 
+        SET coordinate = '".Database::escape_string($coordinates)."'
+        WHERE id = ".intval($update_id)." 
+        LIMIT 1";
 $result = Database::query($sql);

main/exercise/multiple_answer.class.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  *	Class MultipleAnswer
  *
@@ -41,7 +43,7 @@ class MultipleAnswer extends Question
         $nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 4;  // The previous default value was 2. See task #1759.
         $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
 
-        $obj_ex = $_SESSION['objExercise'];
+        $obj_ex = Session::read('objExercise');
 
         $form->addHeader(get_lang('Answers'));
 

main/exercise/multiple_answer_combination.class.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Class MultipleAnswerCombination
  *
@@ -34,7 +36,7 @@ class MultipleAnswerCombination extends Question
     {
         $nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 2;
         $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
-        $obj_ex = $_SESSION['objExercise'];
+        $obj_ex = Session::read('objExercise');
 
         $html = '<table class="table table-striped table-hover">';
         $html .= '<thead>';

main/exercise/multiple_answer_true_false.class.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Class MultipleAnswerTrueFalse
  * This class allows to instantiate an object of type MULTIPLE_ANSWER
@@ -37,7 +39,7 @@ class MultipleAnswerTrueFalse extends Question
         $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
 
         $course_id = api_get_course_int_id();
-        $obj_ex = $_SESSION['objExercise'];
+        $obj_ex = Session::read('objExercise');
         $renderer = & $form->defaultRenderer();
         $defaults = array();
 

main/exercise/overview.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use \ChamiloSession as Session;
+
 /**
 * Exercise preview
 *
@@ -8,16 +10,12 @@
 * @author Julio Montoya <gugli100@gmail.com>
 */
 
-use \ChamiloSession as Session;
-
 require_once '../inc/global.inc.php';
 
 $current_course_tool  = TOOL_QUIZ;
 
 // Clear the exercise session just in case
-if (isset($_SESSION['objExercise'])) {
-    Session::erase('objExercise');
-}
+Session::erase('objExercise');
 
 $this_section = SECTION_COURSES;
 

main/exercise/question_list_admin.inc.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  *	Code library for HotPotatoes integration.
  *	@package chamilo.exercise
@@ -133,7 +135,7 @@ echo '<div style="clear:both;"></div>';
 echo '<div id="message"></div>';
 $token = Security::get_token();
 //deletes a session when using don't know question type (ugly fix)
-unset($_SESSION['less_answer']);
+Session::erase('less_answer');
 
 // If we are in a test
 $inATest = isset($exerciseId) && $exerciseId > 0;

main/exercise/unique_answer.class.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Class UniqueAnswer
  *
@@ -34,7 +36,7 @@ class UniqueAnswer extends Question
     public function createAnswersForm($form)
     {
         // Getting the exercise list
-        $obj_ex = $_SESSION['objExercise'];
+        $obj_ex = Session::read('objExercise');
 
         $editor_config = array(
             'ToolbarSet' => 'TestProposedAnswer',

main/exercise/unique_answer_no_option.class.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Class UniqueAnswerNoOption
  * Allows to instantiate an object of type UNIQUE_ANSWER (MULTIPLE CHOICE, UNIQUE ANSWER),
@@ -30,13 +32,12 @@ class UniqueAnswerNoOption extends Question
      * @param the formvalidator instance
      * @param the answers number to display
      */
-    function createAnswersForm($form)
+    public function createAnswersForm($form)
     {
         // getting the exercise list
-        $obj_ex = $_SESSION['objExercise'];
+        $obj_ex = Session::read('objExercise');
 
         $editor_config = array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '125');
-
         //this line define how many question by default appear when creating a choice question
         $nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 3;  // The previous default value was 2. See task #1759.
         $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));

main/inc/ajax/lp.ajax.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * Responses to AJAX calls
  */
@@ -126,7 +128,7 @@ switch ($action) {
             exit;
         }
         /** @var Learnpath $lp */
-        $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
+        $lp = Session::read('oLP');
         $course_info = api_get_course_info();
 
         $lpPathInfo = $lp->generate_lp_folder($course_info);
@@ -259,7 +261,7 @@ switch ($action) {
         ]);
         break;
     case 'update_gamification':
-        $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
+        $lp = Session::read('oLP');
 
         $jsonGamification = [
             'stars' => 0,
@@ -276,10 +278,10 @@ switch ($action) {
         echo json_encode($jsonGamification);
         break;
     case 'check_item_position':
-        $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
+        $lp = Session::read('oLP');
         $lpItemId = isset($_GET['lp_item']) ? intval($_GET['lp_item']) : 0;
         if ($lp) {
-            $position = $_SESSION['oLP']->isFirstOrLastItem($lpItemId);
+            $position = $lp->isFirstOrLastItem($lpItemId);
         }
 
         echo json_encode($position);

main/inc/ajax/record_audio_rtc.ajax.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 require_once '../global.inc.php';
 
 // Add security from Chamilo
@@ -54,9 +56,8 @@ if (!empty($result) && is_array($result)) {
     $courseId = $result['c_id'];
 
     /** @var learnpath $lp */
-    $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
+    $lp = Session::read('oLP');
     $lpItemId = isset($_REQUEST['lp_item_id']) && !empty($_REQUEST['lp_item_id']) ? $_REQUEST['lp_item_id'] : null;
-
     if (!empty($lp) && empty($lpItemId)) {
         $lp->set_modified_on();
 

main/inc/ajax/record_audio_wami.ajax.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 require_once '../global.inc.php';
 
 // Add security from Chamilo
@@ -121,7 +123,7 @@ if (!empty($documentData)) {
     if (isset($_REQUEST['lp_item_id']) && !empty($_REQUEST['lp_item_id'])) {
         $lpItemId = $_REQUEST['lp_item_id'];
         /** @var learnpath $lp */
-        $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
+        $lp = Session::read('oLP');
 
         if (!empty($lp)) {
             $lp->set_modified_on();

main/inc/lib/nanogong/upload_nanogong_file.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  *    This file allows creating new svg and png documents with an online editor.
  *
@@ -52,7 +54,7 @@ if (!empty($documentData)) {
     if (isset($_REQUEST['lp_item_id']) && !empty($_REQUEST['lp_item_id'])) {
         $lpItemId = $_REQUEST['lp_item_id'];
         /** @var learnpath $lp */
-        $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
+        $lp = Session::read('oLP');
 
         if (!empty($lp)) {
             $lp->set_modified_on();

main/lp/aicc_api.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  *	API event handler functions for AICC / CMIv4 in API communication mode
  *
@@ -31,7 +33,7 @@ require_once '../inc/global.inc.php';
 
 // Is this needed? This is probabaly done in the header file.
 $file = $_SESSION['file'];
-$oLP = unserialize($_SESSION['lpobject']);
+$oLP = unserialize(Session::read('lpobject'));
 $oItem = $oLP->items[$oLP->current];
 if (!is_object($oItem)) {
     error_log('New LP - scorm_api - Could not load oItem item', 0);

main/lp/aicc_hacp.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  *	API event handler functions for AICC / CMIv4 in HACP communication mode
  *
@@ -53,8 +55,8 @@ if ($debug > 2) { error_log('New LP - '.__FILE__.','.__LINE__.' - Current sessio
 
 // Is this needed? This is probabaly done in the header file.
 //$_user							= $_SESSION['_user'];
-$file = $_SESSION['file'];
-$oLP = unserialize($_SESSION['lpobject']);
+$file = Session::read('file');
+$oLP = unserialize(Session::read('lpobject'));
 $oItem =& $oLP->items[$oLP->current];
 if (!is_object($oItem)) {
     error_log('New LP - aicc_hacp - Could not load oItem item', 0);
@@ -258,7 +260,8 @@ if (!empty($_REQUEST['command'])) {
             $result = $s_ec.$error_code.$crlf.$s_et.$error_text.$crlf;
     }
 }
-$_SESSION['lpobject'] = serialize($oLP);
+
+Session::write('lpobject', serialize($oLP));
 session_write_close();
 // Content type must be text/plain.
 header('Content-type: text/plain');

main/lp/lp_add_item.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * This is a learning path creation and player tool in Chamilo - previously
  * learnpath_handler.php
@@ -21,7 +23,7 @@ require_once 'learnpath_functions.inc.php';
 require_once 'resourcelinker.inc.php';
 
 /** @var learnpath $learnPath */
-$learnPath = $_SESSION['oLP'];
+$learnPath = Session::read('oLP');
 
 $htmlHeadXtra[] = '<script>'.
 $learnPath->get_js_dropdown_array()."

main/lp/lp_ajax_switch_item.php

@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use ChamiloSession as Session;
+
 /**
  * This script contains the server part of the xajax interaction process. The client part is located
  * in lp_api.php or other api's.
@@ -222,8 +224,9 @@ function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_it
         error_log('Prereq_match() returned '.htmlentities($mylp->error), 0);
     }
     // Save the new item ID for the exercise tool to use.
-    $_SESSION['scorm_item_id'] = $new_item_id;
-    $_SESSION['lpobject'] = serialize($mylp);
+    Session::write('scorm_item_id', $new_item_id);
+    Session::write('lpobject', serialize($mylp));
+
     return $return;
 }
 

main/lp/lp_ajax_switch_item_toc.php

@@ -1,5 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
+
+use ChamiloSession as Session;
+
 /**
  * This script contains the server part of the ajax interaction process. The client part is located
  * in lp_api.php or other api's.
@@ -152,8 +155,9 @@ function switch_item_toc($lpId, $userId, $viewId, $currentItem, $nextItem)
     if ($debug > 1) {
         error_log('prerequisites_match() returned '.htmlentities($myLP->error), 0);
     }
-    $_SESSION['scorm_item_id'] = $newItemId; // Save the new item ID for the exercise tool to use.
-    $_SESSION['lpobject'] = serialize($myLP);
+    Session::write('scorm_item_id', $newItemId);
+    Session::write('lpobject', serialize($myLP));
+
     return $return;
 }
 

main/lp/openoffice_presentation.class.php

@@ -226,9 +226,26 @@ class OpenofficePresentation extends OpenofficeDocument
             $slide_name = str_replace('’', '\'', $slide_name);
             $slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
             $slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
-            $did = add_document($_course, $this->created_dir.'/'.urlencode($file_name), 'file', filesize($this->base_work_dir.$this->created_dir.'/'.$file_name), $slide_name);
+            $did = add_document(
+                $_course,
+                $this->created_dir.'/'.urlencode($file_name),
+                'file',
+                filesize($this->base_work_dir.$this->created_dir.'/'.$file_name),
+                $slide_name
+            );
             if ($did) {
-                api_item_property_update($_course, TOOL_DOCUMENT, $did, 'DocumentAdded', $_SESSION['_uid'], 0, null, null, null, api_get_session_id());
+                api_item_property_update(
+                    $_course,
+                    TOOL_DOCUMENT,
+                    $did,
+                    'DocumentAdded',
+                    api_get_user_id(),
+                    0,
+                    null,
+                    null,
+                    null,
+                    api_get_session_id()
+                );
             }
         }
     }

main/lp/openoffice_text_document.class.php

@@ -141,12 +141,29 @@ class OpenOfficeTextDocument extends OpenofficeDocument {
             fwrite($handle, $page_content);
             fclose($handle);
 
-            $document_id = add_document($_course, $this->created_dir.'/'.$html_file, 'file', filesize($this->base_work_dir.$this->created_dir.'/'.$html_file), $html_file);
+            $document_id = add_document(
+                $_course,
+                $this->created_dir.'/'.$html_file,
+                'file',
+                filesize($this->base_work_dir.$this->created_dir.'/'.$html_file),
+                $html_file
+            );
 
             if ($document_id) {
 
                 // Put the document in item_property update.
-                api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', $_SESSION['_uid'], 0, 0, null, null, api_get_session_id());
+                api_item_property_update(
+                    $_course,
+                    TOOL_DOCUMENT,
+                    $document_id,
+                    'DocumentAdded',
+                    api_get_user_id(),
+                    0,
+                    0,
+                    null,
+                    null,
+                    api_get_session_id()
+                );
 
                 $infos = pathinfo($this->filepath);
                 $slide_name = strip_tags(nl2br($item_title));
@@ -185,14 +202,29 @@ class OpenOfficeTextDocument extends OpenofficeDocument {
             fwrite($handle, $page_content);
             fclose($handle);
 
-            $document_id = add_document($_course, $this->created_dir.$html_file, 'file', filesize($this->base_work_dir.$this->created_dir.$html_file), $html_file);
+            $document_id = add_document(
+                $_course,
+                $this->created_dir.$html_file,
+                'file',
+                filesize($this->base_work_dir.$this->created_dir.$html_file),
+                $html_file
+            );
 
             $slide_name = '';
-
             if ($document_id) {
-
                 // Put the document in item_property update.
-                api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', $_SESSION['_uid'], 0, 0, null, null, api_get_session_id());
+                api_item_property_update(
+                    $_course,
+                    TOOL_DOCUMENT,
+                    $document_id,
+                    'DocumentAdded',
+                    api_get_user_id(),
+                    0,
+                    0,
+                    null,
+                    null,
+                    api_get_session_id()
+                );
 
                 $infos = pathinfo($this->filepath);
                 $slide_name = 'Page '.str_repeat('0', 2 - strlen($key)).$key;

main/session/index.php

@@ -1,15 +1,15 @@
 <?php
 /* For licensing terms, see /license.txt */
+
+use ChamiloSession as Session;
+
 /**
 *   Session view
 *   @package chamilo.session
 *   @author Julio Montoya <gugli100@gmail.com>  Beeznest
 */
 
-use ChamiloSession as Session;
-
 $cidReset = true;
-
 require_once '../inc/global.inc.php';
 
 if (empty($_GET['session_id'])) {
@@ -17,10 +17,8 @@ if (empty($_GET['session_id'])) {
 }
 
 $session_id = isset($_GET['session_id']) ? intval($_GET['session_id']): null;
-
 $sessionField = new ExtraFieldValue('session');
 $valueAllowVisitors = $sessionField->get_values_by_handler_and_field_variable($session_id, 'allow_visitors');
-
 $allowVisitors = $valueAllowVisitors != false;
 
 if (!$allowVisitors) {
@@ -30,15 +28,11 @@ if (!$allowVisitors) {
 
 $this_section = SECTION_COURSES;
 $htmlHeadXtra[] = api_get_jqgrid_js();
-
 $course_id  = isset($_GET['course_id'])  ? intval($_GET['course_id']) : null;
-
-$_SESSION['id_session'] = $session_id;
+Session::write('id_session', $session_id);
 
 // Clear the exercise session just in case
-if (isset($_SESSION['objExercise'])) {
-    Session::erase('objExercise');
-}
+Session::erase('objExercise');
 
 $userId = api_get_user_id();
 $session_info = SessionManager::fetch($session_id);
@@ -303,7 +297,7 @@ foreach ($final_array as $session_data) {
                     if (!empty($best_score_data)) {
                         $best_score = ExerciseLib::show_score($best_score_data['exe_result'], $best_score_data['exe_weighting']);
                     }
-                    
+
                     // Exercise results
                     $counter = 1;
                     foreach ($exercise_data as $exercise_item) {

main/tracking/userlogCSV.php

@@ -7,11 +7,6 @@
  * @package chamilo.tracking
  * @todo clean code - structure is unclear and difficult to modify
  */
-/**
- * Code
- */
-
-/* INIT SECTION */
 
 $uInfo = $_REQUEST['uInfo'];
 $view = $_REQUEST['view'];
@@ -71,7 +66,7 @@ $sql = "SELECT 1
             AND ((access_start_date <= '$now'
             AND access_end_date >= '$now')
             OR (access_start_date='0000-00-00' AND access_end_date='0000-00-00'))
-        WHERE session_id='" . $_SESSION['id_session'] . "' AND c_id = $courseId";
+        WHERE session_id='" . api_get_session_id() . "' AND c_id = $courseId";
 //echo $sql;
 $result = Database::query($sql);
 if (!Database::num_rows($result)) {