chamilo / chamilo-lms

main/dashboard/dashboard.php

Spacing +6 added lines, -6 removed lines

@@ -13,7 +13,7 @@ 
 // menu actions for dashboard views
 $views = array('blocks', 'list');
 
-if(isset($_GET['view']) && in_array($_GET['view'], $views)){
+if (isset($_GET['view']) && in_array($_GET['view'], $views)) {
 	$dashboard_view = $_GET['view'];
 }
 
@@ -21,16 +21,16 @@ 
 
 if (isset($dashboard_view) && $dashboard_view == 'list') {
 	$link_blocks_view = '<a href="'.api_get_self().'?view=blocks">'.
-		Display::return_icon('blocks.png',get_lang('DashboardBlocks'),'',ICON_SIZE_MEDIUM).'</a>';
+		Display::return_icon('blocks.png', get_lang('DashboardBlocks'), '', ICON_SIZE_MEDIUM).'</a>';
 } else {
 	$link_list_view = '<a href="'.api_get_self().'?view=list">'.
-		Display::return_icon('edit.png',get_lang('EditBlocks'),'',ICON_SIZE_MEDIUM).'</a>';
+		Display::return_icon('edit.png', get_lang('EditBlocks'), '', ICON_SIZE_MEDIUM).'</a>';
 }
 
 $configuration_link = null;
 if (api_is_platform_admin()) {
 	$configuration_link = '<a href="'.api_get_path(WEB_CODE_PATH).'admin/settings.php?category=Plugins">'
-	.Display::return_icon('settings.png',get_lang('ConfigureDashboardPlugin'),'',ICON_SIZE_MEDIUM).'</a>';
+	.Display::return_icon('settings.png', get_lang('ConfigureDashboardPlugin'), '', ICON_SIZE_MEDIUM).'</a>';
 }
 
 echo '<div class="actions">';
@@ -56,7 +56,7 @@ 
         if (count($columns) > 0) {
             $columns_name = array_keys($columns);
             // blocks for column 1
-            if (in_array('column_1',$columns_name)) {
+            if (in_array('column_1', $columns_name)) {
                 echo '<div id="column1" class="col-md-6">';
                     foreach ($columns['column_1'] as $content) {
                         echo $content;
@@ -68,7 +68,7 @@ 
                 echo '</div>';
             }
             // blocks for column 2
-            if (in_array('column_2',$columns_name)) {
+            if (in_array('column_2', $columns_name)) {
                 // blocks for column 1
                 echo '<div id="column2" class="col-md-6">';
                     foreach ($columns['column_2'] as $content) {

main/timeline/index.php

Spacing +15 added lines, -15 removed lines

@@ -23,19 +23,19 @@ 
 
 switch ($action) {
     case 'add':
-        $interbreadcrumb[]=array('url' => 'index.php','name' => get_lang('Timeline'));
-        $interbreadcrumb[]=array('url' => '#','name' => get_lang('Add'));
+        $interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('Timeline'));
+        $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('Add'));
         break;
     case 'edit':
-        $interbreadcrumb[]=array('url' => 'index.php','name' => get_lang('Timeline'));
-        $interbreadcrumb[]=array('url' => '#','name' => get_lang('Edit'));
+        $interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('Timeline'));
+        $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('Edit'));
         break;
     case 'add_item':
-        $interbreadcrumb[]=array('url' => 'index.php','name' => get_lang('Timeline'));
-        $interbreadcrumb[]=array('url' => '#','name' => get_lang('TimelineItem'));
+        $interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('Timeline'));
+        $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('TimelineItem'));
         break;
     default:
-        $interbreadcrumb[]=array('url' => '#','name' => get_lang('Timeline'));
+        $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('Timeline'));
 }
 
 //jqgrid will use this URL to do the selects
@@ -46,8 +46,8 @@ 
 
 //Column config
 $column_model   = array(
-                        array('name'=>'name',           'index'=>'name',        'width'=>'120',   'align'=>'left'),
-                        array('name'=>'actions',        'index'=>'actions',     'width'=>'100',  'align'=>'left', 'sortable'=>'false')
+                        array('name'=>'name', 'index'=>'name', 'width'=>'120', 'align'=>'left'),
+                        array('name'=>'actions', 'index'=>'actions', 'width'=>'100', 'align'=>'left', 'sortable'=>'false')
                        );
 //Autowidth
 $extra_params['autowidth'] = 'true';
@@ -55,11 +55,11 @@ 
 $extra_params['height'] = 'auto';
 
 //With this function we can add actions to the jgrid (edit, delete, etc)
-$htmlHeadXtra[] ='
+$htmlHeadXtra[] = '
 <script>
 $(function() {
     // grid definition see the $timeline->display() function
-    '.Display::grid_js('timelines',  $url,$columns,$column_model,$extra_params, array(), null,true).'
+    '.Display::grid_js('timelines', $url, $columns, $column_model, $extra_params, array(), null, true).'
 });
 </script>';
 
@@ -80,12 +80,12 @@ 
                 $values = $form->exportValues();
                 $res    = $timeline->save($values);
                 if ($res) {
-                    $message = Display::return_message(get_lang('ItemAdded'),'success');
+                    $message = Display::return_message(get_lang('ItemAdded'), 'success');
                 }
             }
             $content = $timeline->listing();
         } else {
-            $actions .= '<a href="'.api_get_self().'">'.Display::return_icon('back.png',get_lang('Back'),'',ICON_SIZE_MEDIUM).'</a>';
+            $actions .= '<a href="'.api_get_self().'">'.Display::return_icon('back.png', get_lang('Back'), '', ICON_SIZE_MEDIUM).'</a>';
             $form->addElement('hidden', 'sec_token');
             $form->setConstants(array('sec_token' => $token));
             $content = $form->return_form();
@@ -106,7 +106,7 @@ 
             }
             $timeline->display();
         } else {
-            $actions = '<a href="'.api_get_self().'">'.Display::return_icon('back.png',get_lang('Back'),'',ICON_SIZE_MEDIUM).'</a>';
+            $actions = '<a href="'.api_get_self().'">'.Display::return_icon('back.png', get_lang('Back'), '', ICON_SIZE_MEDIUM).'</a>';
             $form->addElement('hidden', 'sec_token');
             $form->setConstants(array('sec_token' => $token));
             $content = $form->return_form();
@@ -128,7 +128,7 @@ 
             }
             $timeline->display();
         } else {
-            $actions = '<a href="'.api_get_self().'">'.Display::return_icon('back.png',get_lang('Back'),'',ICON_SIZE_MEDIUM).'</a>';
+            $actions = '<a href="'.api_get_self().'">'.Display::return_icon('back.png', get_lang('Back'), '', ICON_SIZE_MEDIUM).'</a>';
             $form->addElement('hidden', 'sec_token');
             $form->setConstants(array('sec_token' => $token));
             $content = $form->return_form();

main/timeline/view.php

Spacing +3 added lines, -3 removed lines

@@ -6,8 +6,8 @@ 
 */
 require_once '../inc/global.inc.php';
 
-$interbreadcrumb[]=array('url' => 'index.php','name' => get_lang('Timeline'));
-$interbreadcrumb[]=array('url' => 'index.php','name' => get_lang('Listing'));
+$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('Timeline'));
+$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('Listing'));
 
 $timeline = new Timeline();
 if (empty($_GET['id'])) {
@@ -15,7 +15,7 @@ 
 }
 $url = $timeline->get_url($_GET['id']);
 $item = $timeline->get($_GET['id']);
-$interbreadcrumb[]=array('url' => '#','name' => $item['headline']);
+$interbreadcrumb[] = array('url' => '#', 'name' => $item['headline']);
 
 $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/timeline/timeline.css');
 $htmlHeadXtra[] = api_get_js('timeline/timeline-min.js');

main/blog/download.php

Spacing +4 added lines, -4 removed lines

@@ -15,7 +15,7 @@ 
 session_cache_limiter('public');
 
 require_once '../inc/global.inc.php';
-$this_section=SECTION_COURSES;
+$this_section = SECTION_COURSES;
 
 // IMPORTANT to avoid caching of documents
 header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
@@ -32,7 +32,7 @@ 
 $doc_url = str_replace(' ', '+', $doc_url);
 $doc_url = str_replace('/..', '', $doc_url); //echo $doc_url;
 
-if (! isset($_course)) {
+if (!isset($_course)) {
 	api_not_allowed(true);
 }
 $full_file_name = api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/blog/'.$doc_url;
@@ -40,7 +40,7 @@ 
 //if the rewrite rule asks for a directory, we redirect to the course view
 if (is_dir($full_file_name)) {
 	//remove last slash if present
-	while ($doc_url{$dul = strlen($doc_url)-1}=='/') $doc_url = substr($doc_url,0,$dul);
+	while ($doc_url{$dul = strlen($doc_url) - 1} == '/') $doc_url = substr($doc_url, 0, $dul);
 	//create the path
 	$document_explorer = api_get_path(WEB_COURSE_PATH).api_get_course_path(); // home course path
 	//redirect
@@ -48,7 +48,7 @@ 
     exit;
 }
 
-$tbl_blogs_attachment 	= Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
+$tbl_blogs_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
 $course_id = api_get_course_int_id();
 
 // launch event

main/blog/blog.php

Spacing +25 added lines, -25 removed lines

@@ -13,15 +13,15 @@ 
     api_not_allowed(true);
 }
 
-$this_section   = SECTION_COURSES;
-$current_course_tool  = TOOL_BLOGS;
+$this_section = SECTION_COURSES;
+$current_course_tool = TOOL_BLOGS;
 
 /* 	ACCESS RIGHTS */
 // notice for unauthorized people.
 api_protect_course_script(true);
 
 $lib_path = api_get_path(LIBRARY_PATH);
-$blog_table_attachment 	= Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
+$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
 
 $nameTools  = get_lang('Blogs');
 $DaysShort  = api_get_week_days_short();
@@ -135,7 +135,7 @@ 
 		$safe_comment_title,
 		$safe_comment_text,
 		$blog_id,
-		(int)$_GET['post_id'],
+		(int) $_GET['post_id'],
 		$_POST['comment_parent_id'],
 		$_POST['task_id']
 	);
@@ -147,29 +147,29 @@ 
 if (!empty($_POST['register'])) {
 	if (is_array($_POST['user'])) {
 		foreach ($_POST['user'] as $index => $user_id) {
-			Blog :: set_user_subscribed((int)$_GET['blog_id'], $user_id);
+			Blog :: set_user_subscribed((int) $_GET['blog_id'], $user_id);
 		}
 	}
 }
 if (!empty($_POST['unregister'])) {
 	if (is_array($_POST['user'])) {
 		foreach ($_POST['user'] as $index => $user_id) {
-			Blog :: set_user_unsubscribed((int)$_GET['blog_id'], $user_id);
+			Blog :: set_user_unsubscribed((int) $_GET['blog_id'], $user_id);
 		}
 	}
 }
 if (!empty($_GET['register'])) {
-	Blog :: set_user_subscribed((int)$_GET['blog_id'], (int)$_GET['user_id']);
+	Blog :: set_user_subscribed((int) $_GET['blog_id'], (int) $_GET['user_id']);
 	$return_message = array('type' => 'confirmation', 'message' => get_lang('UserRegistered'));
 	$flag = 1;
 }
 if (!empty($_GET['unregister'])) {
-	Blog :: set_user_unsubscribed((int)$_GET['blog_id'], (int)$_GET['user_id']);
+	Blog :: set_user_unsubscribed((int) $_GET['blog_id'], (int) $_GET['user_id']);
 }
 
 if (isset($_GET['action']) && $_GET['action'] == 'manage_tasks') {
 	if (isset($_GET['do']) && $_GET['do'] == 'delete') {
-		Blog :: delete_task($blog_id, (int)$_GET['task_id']);
+		Blog :: delete_task($blog_id, (int) $_GET['task_id']);
 		$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskDeleted'));
 	}
 
@@ -182,9 +182,9 @@ 
 if (isset($_GET['action']) && $_GET['action'] == 'view_post') {
 	$task_id = (isset ($_GET['task_id']) && is_numeric($_GET['task_id'])) ? $_GET['task_id'] : 0;
 
-	if (isset($_GET['do']) && $_GET['do'] == 'delete_comment')	{
+	if (isset($_GET['do']) && $_GET['do'] == 'delete_comment') {
 		if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_delete', $task_id)) {
-			Blog :: delete_comment($blog_id, (int)$_GET['post_id'],(int)$_GET['comment_id']);
+			Blog :: delete_comment($blog_id, (int) $_GET['post_id'], (int) $_GET['comment_id']);
 			$return_message = array('type' => 'confirmation', 'message' => get_lang('CommentDeleted'));
 		} else {
 			$error = true;
@@ -192,9 +192,9 @@ 
 		}
 	}
 
-	if (isset($_GET['do']) && $_GET['do'] == 'delete_article')	{
+	if (isset($_GET['do']) && $_GET['do'] == 'delete_article') {
 		if (api_is_allowed('BLOG_'.$blog_id, 'article_delete', $task_id)) {
-			Blog :: delete_post($blog_id, (int)$_GET['article_id']);
+			Blog :: delete_post($blog_id, (int) $_GET['article_id']);
 			$action = ''; // Article is gone, go to blog home
 			$return_message = array('type' => 'confirmation', 'message' => get_lang('BlogDeleted'));
 		} else {
@@ -205,13 +205,13 @@ 
 	if (isset($_GET['do']) && $_GET['do'] == 'rate') {
 		if (isset($_GET['type']) && $_GET['type'] == 'post') {
 			if (api_is_allowed('BLOG_'.$blog_id, 'article_rate')) {
-				Blog :: add_rating('post', $blog_id, (int)$_GET['post_id'], (int)$_GET['rating']);
+				Blog :: add_rating('post', $blog_id, (int) $_GET['post_id'], (int) $_GET['rating']);
 				$return_message = array('type' => 'confirmation', 'message' => get_lang('RatingAdded'));
 			}
 		}
 		if (isset($_GET['type']) && $_GET['type'] == 'comment') {
 			if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_add')) {
-				Blog :: add_rating('comment', $blog_id, (int)$_GET['comment_id'], (int)$_GET['rating']);
+				Blog :: add_rating('comment', $blog_id, (int) $_GET['comment_id'], (int) $_GET['rating']);
 				$return_message = array('type' => 'confirmation', 'message' => get_lang('RatingAdded'));
 			}
 		}
@@ -290,16 +290,16 @@ 
 echo '<div class=actions>';
 ?>
 	<a href="<?php echo api_get_self(); ?>?blog_id=<?php echo $blog_id ?>&<?php echo api_get_cidreq(); ?>" title="<?php echo get_lang('Home') ?>">
-    <?php echo Display::return_icon('blog.png', get_lang('Home'),'',ICON_SIZE_MEDIUM); ?></a>
-	<?php if(api_is_allowed('BLOG_'.$blog_id, 'article_add')) { ?>
+    <?php echo Display::return_icon('blog.png', get_lang('Home'), '', ICON_SIZE_MEDIUM); ?></a>
+	<?php if (api_is_allowed('BLOG_'.$blog_id, 'article_add')) { ?>
     <a href="<?php echo api_get_self(); ?>?action=new_post&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('NewPost') ?>">
-    <?php echo Display::return_icon('new_article.png', get_lang('NewPost'),'',ICON_SIZE_MEDIUM); ?></a><?php } ?>
-	<?php if(api_is_allowed('BLOG_'.$blog_id, 'task_management')) { ?>
+    <?php echo Display::return_icon('new_article.png', get_lang('NewPost'), '', ICON_SIZE_MEDIUM); ?></a><?php } ?>
+	<?php if (api_is_allowed('BLOG_'.$blog_id, 'task_management')) { ?>
     <a href="<?php echo api_get_self(); ?>?action=manage_tasks&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageTasks') ?>">
-    <?php echo Display::return_icon('blog_tasks.png', get_lang('TaskManager'),'',ICON_SIZE_MEDIUM); ?></a><?php } ?>
-	<?php if(api_is_allowed('BLOG_'.$blog_id, 'member_management')) { ?>
+    <?php echo Display::return_icon('blog_tasks.png', get_lang('TaskManager'), '', ICON_SIZE_MEDIUM); ?></a><?php } ?>
+	<?php if (api_is_allowed('BLOG_'.$blog_id, 'member_management')) { ?>
     <a href="<?php echo api_get_self(); ?>?action=manage_members&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageMembers') ?>">
-    <?php echo Display::return_icon('blog_admin_users.png', get_lang('MemberManager'),'',ICON_SIZE_MEDIUM); ?></a><?php } ?>
+    <?php echo Display::return_icon('blog_admin_users.png', get_lang('MemberManager'), '', ICON_SIZE_MEDIUM); ?></a><?php } ?>
 <?php
 echo '</div>';
 
@@ -317,8 +317,8 @@ 
                 <div class="panel-heading"><?php echo get_lang('Calendar') ?></div>
                 <div class="panel-body">
                     <?php
-                        $month = isset($_GET['month']) ? (int)$_GET['month'] : (int) date('m');
-                        $year = isset($_GET['year']) ? (int)$_GET['year'] : date('Y');
+                        $month = isset($_GET['month']) ? (int) $_GET['month'] : (int) date('m');
+                        $year = isset($_GET['year']) ? (int) $_GET['year'] : date('Y');
                         Blog::display_minimonthcalendar($month, $year, $blog_id);
                     ?>
                 </div>
@@ -363,7 +363,7 @@ 
 $course_id = api_get_course_int_id();
 
 if (isset ($_GET['task_id']) && is_numeric($_GET['task_id'])) {
-	$task_id = (int)$_GET['task_id'];
+	$task_id = (int) $_GET['task_id'];
 } else {
 	$task_id = 0;
 	$tbl_blogs_tasks_rel_user = Database :: get_course_table(TABLE_BLOGS_TASKS_REL_USER);

main/exercice/oral_expression.class.php

Spacing +1 added lines, -1 removed lines

@@ -31,7 +31,7 @@
     function createAnswersForm($form)
     {
 
-        $form -> addElement('text','weighting', get_lang('Weighting'), array('class' => 'span1'));
+        $form -> addElement('text', 'weighting', get_lang('Weighting'), array('class' => 'span1'));
         global $text, $class;
         // setting the save button here and not in the question class.php
         $form->addButtonSave($text, 'submitQuestion');

main/exercice/hotspot.inc.php

Spacing +1 added lines, -1 removed lines

@@ -18,7 +18,7 @@
 $file = file(api_get_path(SYS_LANG_PATH).'english/hotspot.inc.php');
 
 foreach ($file as &$value) {
-	$variable = explode('=', $value , 2);
+	$variable = explode('=', $value, 2);
 	if (count($variable) > 1) {
 		$variable = substr(trim($variable[0]), 1);
 		$variable = '&'.$variable.'='.api_utf8_encode(get_lang($variable)).' ';

main/exercice/tests_category.php

Spacing +8 added lines, -8 removed lines

@@ -147,7 +147,7 @@ 
 function add_category_form($action) {
     $action = Security::remove_XSS($action);
     // initiate the object
-    $form = new FormValidator('note', 'post', api_get_self() . '?action=' . $action);
+    $form = new FormValidator('note', 'post', api_get_self().'?action='.$action);
     // Setting the form elements
     $form->addElement('header', get_lang('AddACategory'));
     $form->addElement('text', 'category_name', get_lang('CategoryName'), array('size' => '95'));
@@ -189,19 +189,19 @@ 
 
 function display_add_category() {
     echo '<div class="actions">';
-    echo '<a href="exercise.php?' . api_get_cidreq() . '">' .
-            Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM) . '</a>';
-    echo '<a href="' . api_get_self() . '?action=addcategory">' .
-        Display::return_icon('question_category.gif', get_lang('AddACategory')) . '</a>';
+    echo '<a href="exercise.php?'.api_get_cidreq().'">'.
+            Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM).'</a>';
+    echo '<a href="'.api_get_self().'?action=addcategory">'.
+        Display::return_icon('question_category.gif', get_lang('AddACategory')).'</a>';
     echo '</div>';
     echo "<br/>";
-    echo "<fieldset><legend>" . get_lang('QuestionCategory') . "</legend></fieldset>";
+    echo "<fieldset><legend>".get_lang('QuestionCategory')."</legend></fieldset>";
 }
 
 // display goback to category list page link
 function display_goback() {
     echo '<div class="actions">';
-    echo '<a href="' . api_get_self() . '">' .
-        Display::return_icon('back.png', get_lang('BackToCategoryList'), array(), 32) . '</a>';
+    echo '<a href="'.api_get_self().'">'.
+        Display::return_icon('back.png', get_lang('BackToCategoryList'), array(), 32).'</a>';
     echo '</div>';
 }

main/exercice/overview.php

Spacing +10 added lines, -10 removed lines

@@ -12,7 +12,7 @@ 
 
 require_once '../inc/global.inc.php';
 
-$current_course_tool  = TOOL_QUIZ;
+$current_course_tool = TOOL_QUIZ;
 
 // Clear the exercise session just in case
 if (isset($_SESSION['objExercise'])) {
@@ -49,7 +49,7 @@ 
 
 if ($time_control) {
     // Get time left for expiring time
-    $time_left = api_strtotime($clock_expired_time,'UTC') - time();
+    $time_left = api_strtotime($clock_expired_time, 'UTC') - time();
 
     $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/stylesheet/jquery.epiclock.css');
     $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/renderers/minute/epiclock.minute.css');
@@ -72,7 +72,7 @@ 
 
 $html = '';
 $message = '';
-$html.= '<div class="exercise">';
+$html .= '<div class="exercise">';
 $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
 $edit_link = '';
 if ($is_allowed_to_edit && $objExercise->sessionId == $sessionId) {
@@ -177,8 +177,8 @@ 
             $attempt_result['exe_result'],
             $attempt_result['exe_weighting']
         );
-        $attempt_url = api_get_path(WEB_CODE_PATH) . 'exercice/result.php?';
-        $attempt_url .= api_get_cidreq() . '&show_headers=1&';
+        $attempt_url = api_get_path(WEB_CODE_PATH).'exercice/result.php?';
+        $attempt_url .= api_get_cidreq().'&show_headers=1&';
         $attempt_url .= http_build_query([
             'id' => $attempt_result['exe_id']
         ]);
@@ -188,7 +188,7 @@ 
             get_lang('Show'),
             $attempt_url,
             [
-                'class' => $btn_class . 'btn btn-default',
+                'class' => $btn_class.'btn btn-default',
                 'data-title' => get_lang('Show'),
                 'data-size' => 'lg'
             ]
@@ -206,7 +206,7 @@ 
             ),
             'userIp' => $attempt_result['user_ip']
         );
-        $attempt_link .= "&nbsp;&nbsp;&nbsp;" . $teacher_revised;
+        $attempt_link .= "&nbsp;&nbsp;&nbsp;".$teacher_revised;
 
         if (in_array(
             $objExercise->results_disabled,
@@ -283,12 +283,12 @@ 
         $attempt_message = Display::return_message($attempt_message, 'info');
     }
     if ($visible_return['value'] == true) {
-        $message .=   $attempt_message;
+        $message .= $attempt_message;
     }
 }
 
 if ($time_control) {
-    $html.= $objExercise->return_time_left_div();
+    $html .= $objExercise->return_time_left_div();
 }
 
 $html .= $message;
@@ -308,7 +308,7 @@ 
     $table_content,
     ['class' => 'table-responsive']
 );
-$html.= '</div>';
+$html .= '</div>';
 echo $html;
 
 Display::display_footer();