diff --git a/main/attendance/index.php b/main/attendance/index.php
index 05b4ddf3ea..51fa4f04f9 100755
--- a/main/attendance/index.php
+++ b/main/attendance/index.php
@@ -299,6 +299,6 @@ switch ($action) {
             $attendanceController->getAttendanceBaseInLogin(false, true);
         }
         break;
-    default :
+    default:
         $attendanceController->attendance_list();
 }
diff --git a/plugin/buycourses/src/buycourses.ajax.php b/plugin/buycourses/src/buycourses.ajax.php
index be6aa449e1..8e4d9c9ba3 100644
--- a/plugin/buycourses/src/buycourses.ajax.php
+++ b/plugin/buycourses/src/buycourses.ajax.php
@@ -1,6 +1,5 @@
 <?php
-
-/* For licensing terms, see /chamilo_license.txt */
+/* For licensing terms, see /license.txt */
 /**
  * Responses to AJAX calls
  * @package chamilo.plugin.buycourses
diff --git a/plugin/buycourses/src/configuration.php b/plugin/buycourses/src/configuration.php
index a6e699cb48..8522289059 100644
--- a/plugin/buycourses/src/configuration.php
+++ b/plugin/buycourses/src/configuration.php
@@ -4,9 +4,7 @@
  * Configuration script for the Buy Courses plugin
  * @package chamilo.plugin.buycourses
  */
-/**
- * Initialization
- */
+
 $cidReset = true;
 
 require_once __DIR__.'/../../../main/inc/global.inc.php';
@@ -17,7 +15,12 @@ $includeServices = $plugin->get('include_services') === 'true';
 
 api_protect_admin_script(true);
 
-Display::addFlash(Display::return_message(get_lang('Info').' - '.$plugin->get_lang('CoursesInSessionsDoesntDisplayHere'), 'info'));
+Display::addFlash(
+    Display::return_message(
+        get_lang('Info').' - '.$plugin->get_lang('CoursesInSessionsDoesntDisplayHere'),
+        'info'
+    )
+);
 
 $courses = $plugin->getCoursesForConfiguration();
 
@@ -39,13 +42,11 @@ $tpl->assign('services_are_included', $includeServices);
 
 if ($includeSession) {
     $sessions = $plugin->getSessionsForConfiguration();
-
     $tpl->assign('sessions', $sessions);
 }
 
 if ($includeServices) {
     $services = $plugin->getServices();
-
     $tpl->assign('services', $services);
 }
 
diff --git a/plugin/buycourses/src/configure_course.php b/plugin/buycourses/src/configure_course.php
index bdbb09ed3d..04a6c25b15 100644
--- a/plugin/buycourses/src/configure_course.php
+++ b/plugin/buycourses/src/configure_course.php
@@ -21,12 +21,10 @@ $plugin = BuyCoursesPlugin::create();
 
 $commissionsEnable = $plugin->get('commissions_enable');
 
-if ($commissionsEnable == "true") {
-    
+if ($commissionsEnable == 'true') {
     $htmlHeadXtra[] = '<script type="text/javascript" src="' . api_get_path(WEB_PLUGIN_PATH) . 'buycourses/resources/js/commissions.js"></script>';
     $defaultCommissions = [];
-    $commissions = "";
-    
+    $commissions = '';
 }
 
 $includeSession = $plugin->get('include_sessions') === 'true';
@@ -58,7 +56,6 @@ if ($editingCourse) {
 
     foreach ($teachers as $courseTeacher) {
         $teacher = $courseTeacher->getUser();
-
         $teachersOptions[] = [
             'text' => $teacher->getCompleteName(),
             'value' => $teacher->getId()
@@ -71,10 +68,10 @@ if ($editingCourse) {
 
     if (!empty($currentBeneficiaries)) {
         $defaultBeneficiaries = array_column($currentBeneficiaries, 'user_id');
-        
+
         if ($commissionsEnable === 'true') {
             $defaultCommissions = array_column($currentBeneficiaries, 'commissions');
-        
+
             foreach ($defaultCommissions as $defaultCommission) {
                 $commissions .= $defaultCommission.',';
             }
@@ -137,10 +134,10 @@ if ($editingCourse) {
 
     if (!empty($currentBeneficiaries)) {
         $defaultBeneficiaries = array_column($currentBeneficiaries, 'user_id');
-        
+
         if ($commissionsEnable == "true") {
             $defaultCommissions = array_column($currentBeneficiaries, 'commissions');
-        
+
             foreach ($defaultCommissions as $defaultCommission) {
                 $commissions .= $defaultCommission.',';
             }
@@ -165,7 +162,6 @@ if ($editingCourse) {
 }
 
 if ($commissionsEnable === 'true') {
-
     $htmlHeadXtra[] = ''
     . '<script>'
         . '$(function(){'
@@ -189,7 +185,6 @@ if ($commissionsEnable === 'true') {
             . '});'
         . '});'
     . '</script>';
-
 }
 
 $form = new FormValidator('beneficiaries');
@@ -223,9 +218,7 @@ if ($editingCourse) {
 }
 
 if ($commissionsEnable === 'true') {
-    
     $platformCommission = $plugin->getPlatformCommission();
-    
     $form->addHtml( ''
             . '<div class="form-group">'
                 . '<label for="sliders" class="col-sm-2 control-label">'
@@ -241,9 +234,8 @@ if ($commissionsEnable === 'true') {
                 . '</div>'
             . '</div>'
     );
-    
+
     $form->addHidden('commissions', '');
-    
 }
 
 $form->addHidden('t', null);
@@ -285,7 +277,7 @@ if ($form->validate()) {
                 $commissions = array_fill(0, count($usersId), 0);
                 $beneficiaries = array_combine($usersId, $commissions);
             }
-            
+
             $plugin->registerItemBeneficiaries($productItem['id'], $beneficiaries);
         }
     } else {
@@ -298,7 +290,7 @@ if ($form->validate()) {
 
 $form->setDefaults($formDefaults);
 
-//View
+// View
 $templateName = $plugin->get_lang('AvailableCourse');
 
 $interbreadcrumb[] = [
diff --git a/plugin/buycourses/src/course_catalog.php b/plugin/buycourses/src/course_catalog.php
index cf40634b0e..67a7149c51 100644
--- a/plugin/buycourses/src/course_catalog.php
+++ b/plugin/buycourses/src/course_catalog.php
@@ -3,9 +3,7 @@
  * List of courses
  * @package chamilo.plugin.buycourses
  */
-/**
- * Initialization
- */
+
 $cidReset = true;
 
 require_once __DIR__.'/../../../main/inc/global.inc.php';
@@ -18,7 +16,14 @@ $nameFilter = null;
 $minFilter = 0;
 $maxFilter = 0;
 
-$form = new FormValidator('search_filter_form', 'get', null, null, [], FormValidator::LAYOUT_INLINE);
+$form = new FormValidator(
+    'search_filter_form',
+    'get',
+    null,
+    null,
+    [],
+    FormValidator::LAYOUT_INLINE
+);
 
 if ($form->validate()) {
     $formValues = $form->getSubmitValues();
diff --git a/plugin/buycourses/src/course_panel.php b/plugin/buycourses/src/course_panel.php
index 03171dab7e..4695646364 100644
--- a/plugin/buycourses/src/course_panel.php
+++ b/plugin/buycourses/src/course_panel.php
@@ -3,9 +3,6 @@
  * User Panel
  * @package chamilo.plugin.buycourses
  */
-/**
- * Initialization
- */
 
 $cidReset = true;
 
diff --git a/plugin/buycourses/src/index.buycourses.php b/plugin/buycourses/src/index.buycourses.php
index d1b6735630..743b467132 100644
--- a/plugin/buycourses/src/index.buycourses.php
+++ b/plugin/buycourses/src/index.buycourses.php
@@ -1,12 +1,11 @@
 <?php
 /* For license terms, see /license.txt */
+
 /**
  * Index of the Buy Courses plugin courses list
  * @package chamilo.plugin.buycourses
  */
-/**
- *
- */
+
 $plugin = BuyCoursesPlugin::create();
 $guess_enable = $plugin->get('unregistered_users_enable');
 
@@ -18,10 +17,7 @@ if ($guess_enable == "true" || isset($_SESSION['_user'])) {
     }
 
     $tpl = new Template();
-
     $content = $tpl->fetch('buycourses/view/index.tpl');
-
     $tpl->assign('content', $content);
-
     $tpl->display_one_col_template();
 }
diff --git a/plugin/buycourses/src/panel.ajax.php b/plugin/buycourses/src/panel.ajax.php
index ebfbbbe997..015d901ca7 100644
--- a/plugin/buycourses/src/panel.ajax.php
+++ b/plugin/buycourses/src/panel.ajax.php
@@ -1,6 +1,6 @@
 <?php
+/* For licensing terms, see /license.txt */
 
-/* For licensing terms, see /chamilo_license.txt */
 /**
  * Responses to AJAX calls
  * @package chamilo.plugin.buycourses
@@ -21,7 +21,6 @@ $action = isset($_GET['a']) ? $_GET['a'] : null;
 
 switch ($action) {
     case 'saleInfo':
-
         //$saleId is only used in getSale() and is always filtered there
         $saleId = isset($_POST['id']) ? $_POST['id'] : '';
         $sale = $plugin->getSale($saleId);
@@ -53,13 +52,9 @@ switch ($action) {
         $html .= '<img class="thumbnail" src="'. $productImage .'" >';
         $html .= '</div>';
         $html .= '</div>';
-
         echo $html;
-
         break;
-
     case 'stats':
-
         $stats = [];
         $stats['completed_count'] = 0;
         $stats['completed_total_amount'] = 0;
@@ -91,7 +86,6 @@ switch ($action) {
             $stats['canceled_total_amount'] = number_format($stats['canceled_total_amount'], 2);
         }
 
-
         $html = '<div class="row">'
         . '<p>'
             . '<ul>'
@@ -102,9 +96,7 @@ switch ($action) {
         . '</p>';
         $html .= '</div>';
         echo $html;
-
         break;
-
     case 'processPayout':
         if (api_is_anonymous()) {
             break;
@@ -114,11 +106,9 @@ switch ($action) {
         $allPays = [];
         $totalAccounts = 0;
         $totalPayout = 0;
-
         $payouts = isset($_POST['payouts']) ? $_POST['payouts'] : '';
 
         if (!$payouts) {
-
             echo Display::return_message(get_plugin_lang("SelectOptionToProceed", "BuyCoursesPlugin"), 'error', false);
 
             break;
@@ -158,14 +148,11 @@ switch ($action) {
         }
 
         $paypalParams = $plugin->getPaypalParams();
-
         $pruebas = $paypalParams['sandbox'] == 1;
         $paypalUsername = $paypalParams['username'];
         $paypalPassword = $paypalParams['password'];
         $paypalSignature = $paypalParams['signature'];
-
         require_once("paypalfunctions.php");
-
         $allPayouts = [];
         $totalAccounts = 0;
         $totalPayout = 0;
@@ -173,7 +160,6 @@ switch ($action) {
         $payouts = isset($_POST['payouts']) ? $_POST['payouts'] : '';
 
         if (!$payouts) {
-
             echo Display::return_message(get_plugin_lang("SelectOptionToProceed", "BuyCoursesPlugin"), 'error', false);
 
             break;
@@ -194,28 +180,20 @@ switch ($action) {
             foreach ($allPayouts as $payout) {
                 $plugin->setStatusPayouts($payout['id'], BuyCoursesPlugin::PAYOUT_STATUS_COMPLETED);
             }
-
             echo Display::return_message(get_plugin_lang("PayoutSuccess", "BuyCoursesPlugin"), 'success', false);
-
         } else {
-
             echo Display::return_message('<b>'.$result['L_SEVERITYCODE0'].' '.$result['L_ERRORCODE0'].'</b> - '.$result['L_SHORTMESSAGE0'].'<br /><ul><li>'. $result['L_LONGMESSAGE0'].'</li></ul>', 'error', false);
-
         }
-
         break;
 
-        case 'cancelPayout':
+    case 'cancelPayout':
         if (api_is_anonymous()) {
             break;
         }
 
         $payoutId = isset($_POST['id']) ? $_POST['id'] : '';
-
         $plugin->setStatusPayouts($payoutId, BuyCoursesPlugin::PAYOUT_STATUS_CANCELED);
-
         echo '';
-
         break;
 }
 exit;
diff --git a/plugin/buycourses/src/paymentsetup.php b/plugin/buycourses/src/paymentsetup.php
index c58c82df5e..3ddf00b4dc 100644
--- a/plugin/buycourses/src/paymentsetup.php
+++ b/plugin/buycourses/src/paymentsetup.php
@@ -1,12 +1,10 @@
 <?php
 /* For license terms, see /license.txt */
+
 /**
  * Configuration page for payment methods for the Buy Courses plugin
  * @package chamilo.plugin.buycourses
  */
-/**
- * Initialization
- */
 $cidReset = true;
 
 require_once __DIR__.'/../../../main/inc/global.inc.php';
diff --git a/plugin/buycourses/src/paypal_payout.php b/plugin/buycourses/src/paypal_payout.php
index 45b5c5988e..dc9aa240a0 100644
--- a/plugin/buycourses/src/paypal_payout.php
+++ b/plugin/buycourses/src/paypal_payout.php
@@ -1,6 +1,6 @@
 <?php
-
 /* For license terms, see /license.txt */
+
 /**
  * List page for Paypal Payout for the Buy Courses plugin
  * @package chamilo.plugin.buycourses
diff --git a/plugin/buycourses/src/sales_report.php b/plugin/buycourses/src/sales_report.php
index a40dd14f22..de27e42f4a 100644
--- a/plugin/buycourses/src/sales_report.php
+++ b/plugin/buycourses/src/sales_report.php
@@ -1,6 +1,6 @@
 <?php
-
 /* For license terms, see /license.txt */
+
 /**
  * List of pending payments of the Buy Courses plugin
  * @package chamilo.plugin.buycourses
@@ -150,9 +150,9 @@ if ($paypalEnable == "true" && $commissionsEnable == "true") {
         'primary',
         ['title' => $plugin->get_lang('PaypalPayoutCommissions')]
     );
-    
+
     $template->assign('actions', $toolbar);
-    
+
 }
 
 if ($commissionsEnable == "true") {
@@ -164,9 +164,9 @@ if ($commissionsEnable == "true") {
         'info',
         ['title' => $plugin->get_lang('PayoutReport')]
     );
-    
+
     $template->assign('actions', $toolbar);
-    
+
 }
 $template->assign('form', $form->returnForm());
 $template->assign('selected_sale', $selectedSale);
diff --git a/plugin/buycourses/src/service_information.php b/plugin/buycourses/src/service_information.php
index d595658a2b..9d9d3eedab 100644
--- a/plugin/buycourses/src/service_information.php
+++ b/plugin/buycourses/src/service_information.php
@@ -1,6 +1,6 @@
 <?php
-
 /* For licensing terms, see /license.txt */
+
 /**
  * Service information page
  * Show information about a service (for custom purposes)
diff --git a/plugin/buycourses/src/service_sales_report.php b/plugin/buycourses/src/service_sales_report.php
index 153f02a56b..f78a417ad8 100644
--- a/plugin/buycourses/src/service_sales_report.php
+++ b/plugin/buycourses/src/service_sales_report.php
@@ -1,6 +1,6 @@
 <?php
-
 /* For license terms, see /license.txt */
+
 /**
  * List of pending payments of the Buy Courses plugin
  * @package chamilo.plugin.buycourses
@@ -62,9 +62,9 @@ if ($paypalEnable == 'true' && $commissionsEnable == 'true') {
         'primary',
         ['title' => $plugin->get_lang('PaypalPayoutCommissions')]
     );
-    
+
     $template->assign('actions', $toolbar);
-    
+
 }
 
 if ($commissionsEnable == 'true') {
@@ -76,9 +76,9 @@ if ($commissionsEnable == 'true') {
         'info',
         ['title' => $plugin->get_lang('PayoutReport')]
     );
-    
+
     $template->assign('actions', $toolbar);
-    
+
 }
 $template->assign('form', $form->returnForm());
 $template->assign('showing_services', true);
diff --git a/plugin/buycourses/src/success.php b/plugin/buycourses/src/success.php
index 198999cda3..93993083c3 100644
--- a/plugin/buycourses/src/success.php
+++ b/plugin/buycourses/src/success.php
@@ -4,9 +4,7 @@
  * Success page for the purchase of a course in the Buy Courses plugin
  * @package chamilo.plugin.buycourses
  */
-/**
- * Init
- */
+
 require_once '../config.php';
 
 $plugin = BuyCoursesPlugin::create();
diff --git a/plugin/vchamilo/lib/Virtual.php b/plugin/vchamilo/lib/Virtual.php
index 3e0c860319..9a93b0f702 100644
--- a/plugin/vchamilo/lib/Virtual.php
+++ b/plugin/vchamilo/lib/Virtual.php
@@ -24,7 +24,6 @@ class Virtual
             return;
         }
 
-
         // provides an effective value for the virtual root_web based on domain analysis
         self::getHostName($_configuration);