diff --git a/main/course_info/infocours.php b/main/course_info/infocours.php
index 6daa391339..d8ce83fc9a 100755
--- a/main/course_info/infocours.php
+++ b/main/course_info/infocours.php
@@ -51,30 +51,32 @@ $form = new FormValidator(
     api_get_self().'?'.api_get_cidreq()
 );
 
-
 // COURSE SETTINGS
 
-function card_settings_open($id, $title, $open = false, $icon, $parent){
+function card_settings_open($id, $title, $open = false, $icon, $parent)
+{
     $html = '<div class="card">';
     $html .= '<div class="card-header" id="card_'.$id.'">';
     $html .= '<h5 class="card-title">';
-    $html .= '<a role="button" class="'.(($open) ? 'collapse':' ').'"  data-toggle="collapse" data-target="#collapse_'.$id.'" aria-expanded="true" aria-controls="collapse_'.$id.'">';
-    if($icon){
-        $html .= Display::return_icon($icon,null,null,ICON_SIZE_SMALL);
+    $html .= '<a role="button" class="'.(($open) ? 'collapse' : ' ').'"  data-toggle="collapse" data-target="#collapse_'.$id.'" aria-expanded="true" aria-controls="collapse_'.$id.'">';
+    if ($icon) {
+        $html .= Display::return_icon($icon, null, null, ICON_SIZE_SMALL);
     }
     $html .= $title;
     $html .= '</a></h5></div>';
     $html .= '<div id="collapse_'.$id.'" class="collapse show" aria-labelledby="heading_'.$id.'" data-parent="#'.$parent.'">';
     $html .= '<div class="card-body">';
+
     return $html;
 }
 
-function card_settings_close(){
+function card_settings_close()
+{
     $html = '</div></div></div>';
+
     return $html;
 }
 
-
 $form->addHtml(card_settings_open('course_settings', get_lang('CourseSettings'), true, 'settings.png', 'accordionSettings'));
 
 $image = '';
@@ -638,8 +640,7 @@ if (api_get_setting('allow_course_theme') == 'true') {
         0
     );
 
-    $globalGroup[get_lang("AllowLearningPathTheme")]= $group;
-
+    $globalGroup[get_lang("AllowLearningPathTheme")] = $group;
 }
 
 $allowLPReturnLink = api_get_setting('allow_lp_return_link');
@@ -707,7 +708,6 @@ if ($isEditable) {
     $form->freeze();
 }
 
-
 $form->addPanelOption(
     'config_lp',
     get_lang('ConfigLearnpath'),
@@ -1052,13 +1052,10 @@ if ($show_delete_watermark_text_message) {
 //Template Course Info
 $tpl = new Template($nameTools);
 
-
 Display::display_header($nameTools, 'Settings');
 
-
 //$form->display();
 
-
 $tpl->assign('course_settings', $form->returnForm());
 $courseInfoLayout = $tpl->get_template("course_info/index.html.twig");
 $content = $tpl->fetch($courseInfoLayout);
diff --git a/main/inc/lib/course_category.lib.php b/main/inc/lib/course_category.lib.php
index d813d2d31a..dae542678f 100755
--- a/main/inc/lib/course_category.lib.php
+++ b/main/inc/lib/course_category.lib.php
@@ -50,8 +50,10 @@ class CourseCategory
                 $category['access_url_id'] = $result['access_url_id'];
             }
             $category['course_count'] = self::countCoursesInCategory($categoryCode);
+
             return $category;
         }
+
         return [];
     }
 
diff --git a/main/inc/lib/formvalidator/FormValidator.class.php b/main/inc/lib/formvalidator/FormValidator.class.php
index a2910aa1eb..9d1619a36a 100755
--- a/main/inc/lib/formvalidator/FormValidator.class.php
+++ b/main/inc/lib/formvalidator/FormValidator.class.php
@@ -947,17 +947,16 @@ EOT;
      */
     public function addPanelOption($name, $title, $groupList, $icon, $open = false, $parent)
     {
-
         $html = '<div class="card">';
         $html .= '<div class="card-header" id="card_'.$name.'">';
         $html .= '<h5 class="card-title">';
-        $html .= '<a role="button" class="'.(($open) ? 'collapse':' ').'"  data-toggle="collapse" data-target="#collapse_'.$name.'" aria-expanded="true" aria-controls="collapse_'.$name.'">';
-        if($icon){
-            $html .= Display::return_icon($icon,null,null,ICON_SIZE_SMALL);
+        $html .= '<a role="button" class="'.(($open) ? 'collapse' : ' ').'"  data-toggle="collapse" data-target="#collapse_'.$name.'" aria-expanded="true" aria-controls="collapse_'.$name.'">';
+        if ($icon) {
+            $html .= Display::return_icon($icon, null, null, ICON_SIZE_SMALL);
         }
         $html .= $title;
         $html .= '</a></h5></div>';
-        $html .= '<div id="collapse_'.$name.'" class="collapse '.(($open) ? 'show':' ').'" aria-labelledby="heading_'.$name.'" data-parent="#'.$parent.'">';
+        $html .= '<div id="collapse_'.$name.'" class="collapse '.(($open) ? 'show' : ' ').'" aria-labelledby="heading_'.$name.'" data-parent="#'.$parent.'">';
         $html .= '<div class="card-body">';
 
         $this->addHtml($html);
diff --git a/main/install/install.lib.php b/main/install/install.lib.php
index 03c5d0e69c..be28991cef 100755
--- a/main/install/install.lib.php
+++ b/main/install/install.lib.php
@@ -856,7 +856,6 @@ function display_requirements(
         </table>';
     echo '</div>';
 
-
     // RECOMMENDED SETTINGS
     // Note: these are the settings for Joomla, does this also apply for Chamilo?
     // Note: also add upload_max_filesize here so that large uploads are possible
diff --git a/user_portal.php b/user_portal.php
index 9b6bccfd87..da95c2ddbe 100755
--- a/user_portal.php
+++ b/user_portal.php
@@ -235,7 +235,7 @@ if (api_get_setting('go_to_course_after_login') === 'true') {
     }
 }
 
-$showWelcomeCourse =  false;
+$showWelcomeCourse = false;
 // Show the chamilo mascot
 if (empty($courseAndSessions['html']) && !isset($_GET['history'])) {
     $controller->setWelComeCourse();