diff --git a/main/admin/course_intro_pdf_import.php b/main/admin/course_intro_pdf_import.php
index a2df83d2bc..d42dce923a 100755
--- a/main/admin/course_intro_pdf_import.php
+++ b/main/admin/course_intro_pdf_import.php
@@ -28,7 +28,12 @@ if ($_POST['formSent']) {
         $ext_import_file = substr($_FILES['import_file']['name'], (strrpos($_FILES['import_file']['name'], '.') + 1));
 
         if (!in_array($ext_import_file, $allowed_file_mimetype)) {
-            Display::addFlash(Display::return_message(get_lang('YouMustImportAZipFile'), 'error'));
+            Display::addFlash(
+                Display::return_message(
+                    get_lang('YouMustImportAZipFile'),
+                    'error'
+                )
+            );
         } else {
             $errors = import_pdfs($subDir);
             if (count($errors) == 0) {
@@ -46,7 +51,13 @@ if (count($errors) != 0) {
     $error_message .= '</ul>';
     Display::addFlash(Display::return_message($error_message, 'normal', false));
 } elseif ($_POST['formSent']) {
-    Display::addFlash(Display::return_message('CourseIntroductionsAllImportesSuccessfully', 'confirmation', false));
+    Display::addFlash(
+        Display::return_message(
+            get_lang('CourseIntroductionsAllImportesSuccessfully'),
+            'confirmation',
+            false
+        )
+    );
 }
 
 Display::display_header($tool_name);
@@ -110,7 +121,13 @@ function import_pdfs($subDir = '/')
         if (count($course) > 0) {
             // Build file info because handle_uploaded_document() needs it (name, type, size, tmp_name)
             $fileSize = filesize($baseDir.$uploadPath.$file);
-            $docId = add_document($course, $subDir.'/'.$file, 'file', $fileSize, $parts[1].' '.substr($parts[2], 0, -4));
+            $docId = add_document(
+                $course,
+                $subDir.'/'.$file,
+                'file',
+                $fileSize,
+                $parts[1].' '.substr($parts[2], 0, -4)
+            );
             if ($docId > 0) {
                 if (!is_file($baseDir.$uploadPath.$file)) {
                     error_log($baseDir.$uploadPath.$file.' does not exists in '.__FILE__);
@@ -122,8 +139,17 @@ function import_pdfs($subDir = '/')
                     error_log('Destination '.api_get_path(SYS_COURSE_PATH).$course['path'].'/document'.$subDir.' is NOT writeable in '.__FILE__);
                 }
                 // Place each file in its folder in each course
-                rename($baseDir.$uploadPath.$file, api_get_path(SYS_COURSE_PATH).$course['path'].'/document'.$subDir.'/'.$file);
-                api_item_property_update($course, TOOL_DOCUMENT, $docId, 'DocumentAdded', api_get_user_id());
+                rename(
+                    $baseDir.$uploadPath.$file,
+                    api_get_path(SYS_COURSE_PATH).$course['path'].'/document'.$subDir.'/'.$file
+                );
+                api_item_property_update(
+                    $course,
+                    TOOL_DOCUMENT,
+                    $docId,
+                    'DocumentAdded',
+                    api_get_user_id()
+                );
                 // Redo visibility
                 api_set_default_visibility($docId, TOOL_DOCUMENT);
                 $errors[] = array('Line' => 0, 'Code' => $course['code'], 'Title' => $course['title']);
diff --git a/main/exercise/exercise_submit.php b/main/exercise/exercise_submit.php
index 863ebad9bb..70b48256e4 100755
--- a/main/exercise/exercise_submit.php
+++ b/main/exercise/exercise_submit.php
@@ -184,7 +184,11 @@ if ($objExercise->expired_time != 0) {
 }
 
 // Generating the time control key for the user
-$current_expired_time_key = ExerciseLib::get_time_control_key($objExercise->id, $learnpath_id, $learnpath_item_id);
+$current_expired_time_key = ExerciseLib::get_time_control_key(
+    $objExercise->id,
+    $learnpath_id,
+    $learnpath_item_id
+);
 
 $_SESSION['duration_time'][$current_expired_time_key] = $current_timestamp;
 
@@ -854,14 +858,28 @@ if ($limit_time_exists) {
     if (!$permission_to_start || $exercise_timeover) {
         if (!api_is_allowed_to_edit(null, true)) {
             $message_warning = $permission_to_start ? get_lang('ReachedTimeLimit') : get_lang('ExerciseNoStartedYet');
-            echo Display::return_message(sprintf($message_warning, $exercise_title, $objExercise->selectAttempts()), 'warning');
+            echo Display::return_message(
+                sprintf(
+                    $message_warning,
+                    $exercise_title,
+                    $objExercise->selectAttempts()
+                ),
+                'warning'
+            );
             if ($origin != 'learnpath') {
                 Display :: display_footer();
             }
             exit;
         } else {
             $message_warning = $permission_to_start ? get_lang('ReachedTimeLimitAdmin') : get_lang('ExerciseNoStartedAdmin');
-            echo Display::return_message(sprintf($message_warning, $exercise_title, $objExercise->selectAttempts()), 'warning');
+            echo Display::return_message(
+                sprintf(
+                    $message_warning,
+                    $exercise_title,
+                    $objExercise->selectAttempts()
+                ),
+                'warning'
+            );
         }
     }
 }
@@ -1220,14 +1238,14 @@ if (!empty($error)) {
     </script>';
 
     echo '<form id="exercise_form" method="post" action="'.api_get_self().'?'.api_get_cidreq().'&autocomplete=off&&exerciseId='.$exerciseId.'" name="frm_exercise" '.$onsubmit.'>
-         <input type="hidden" name="formSent"				value="1" />
-         <input type="hidden" name="exerciseId" 			value="'.$exerciseId.'" />
-         <input type="hidden" name="num" 					value="'.$current_question.'" id="num_current_id" />
-         <input type="hidden" name="num_answer"             value="'.$currentAnswer.'" id="num_current_answer_id" />
-         <input type="hidden" name="exe_id" 				value="'.$exe_id.'" />
-         <input type="hidden" name="origin" 				value="'.$origin.'" />
-         <input type="hidden" name="learnpath_id" 			value="'.$learnpath_id.'" />
-         <input type="hidden" name="learnpath_item_id" 		value="'.$learnpath_item_id.'" />
+         <input type="hidden" name="formSent" value="1" />
+         <input type="hidden" name="exerciseId" value="'.$exerciseId.'" />
+         <input type="hidden" name="num" value="'.$current_question.'" id="num_current_id" />
+         <input type="hidden" name="num_answer" value="'.$currentAnswer.'" id="num_current_answer_id" />
+         <input type="hidden" name="exe_id" value="'.$exe_id.'" />
+         <input type="hidden" name="origin" value="'.$origin.'" />
+         <input type="hidden" name="learnpath_id" value="'.$learnpath_id.'" />
+         <input type="hidden" name="learnpath_item_id" value="'.$learnpath_item_id.'" />
          <input type="hidden" name="learnpath_item_view_id" value="'.$learnpath_item_view_id.'" />';
 
     // Show list of questions
@@ -1238,7 +1256,9 @@ if (!empty($error)) {
     }
 
     $remind_list = [];
-    if (isset($exercise_stat_info['questions_to_check']) && !empty($exercise_stat_info['questions_to_check'])) {
+    if (isset($exercise_stat_info['questions_to_check']) &&
+        !empty($exercise_stat_info['questions_to_check'])
+    ) {
         $remind_list = explode(',', $exercise_stat_info['questions_to_check']);
     }
 
@@ -1271,7 +1291,10 @@ if (!empty($error)) {
         if (isset($attempt_list[$questionId])) {
             $user_choice = $attempt_list[$questionId];
         } elseif ($objExercise->saveCorrectAnswers) {
-            $correctAnswers = $objExercise->getCorrectAnswersInAllAttempts($learnpath_id, $learnpath_item_id);
+            $correctAnswers = $objExercise->getCorrectAnswersInAllAttempts(
+                $learnpath_id,
+                $learnpath_item_id
+            );
 
             if (isset($correctAnswers[$questionId])) {
                 $user_choice = $correctAnswers[$questionId];
@@ -1281,7 +1304,9 @@ if (!empty($error)) {
         $remind_highlight = '';
 
         //Hides questions when reviewing a ALL_ON_ONE_PAGE exercise see #4542 no_remind_highlight class hide with jquery
-        if ($objExercise->type == ALL_ON_ONE_PAGE && isset($_GET['reminder']) && $_GET['reminder'] == 2) {
+        if ($objExercise->type == ALL_ON_ONE_PAGE &&
+            isset($_GET['reminder']) && $_GET['reminder'] == 2
+        ) {
             $remind_highlight = 'no_remind_highlight';
         }
 
@@ -1329,7 +1354,10 @@ if (!empty($error)) {
         // Button save and continue
         switch ($objExercise->type) {
             case ONE_PER_PAGE:
-                $exercise_actions .= $objExercise->show_button($questionId, $current_question);
+                $exercise_actions .= $objExercise->show_button(
+                    $questionId,
+                    $current_question
+                );
                 break;
             case ALL_ON_ONE_PAGE :
                 $button = [
@@ -1362,7 +1390,10 @@ if (!empty($error)) {
                     'for' => 'remind_list['.$questionId.']'
                 )
             );
-            $exercise_actions .= Display::div($remind_question_div, array('class'=>'exercise_save_now_button'));
+            $exercise_actions .= Display::div(
+                $remind_question_div,
+                array('class' => 'exercise_save_now_button')
+            );
         }
         echo Display::div($exercise_actions, array('class'=>'form-actions'));
         echo '</div>';
diff --git a/main/inc/lib/userportal.lib.php b/main/inc/lib/userportal.lib.php
index 863f6dacdd..7f37101c3c 100755
--- a/main/inc/lib/userportal.lib.php
+++ b/main/inc/lib/userportal.lib.php
@@ -10,7 +10,8 @@ class IndexManager
     const VIEW_BY_SESSION = 1;
 
     // An instance of the template engine
-    //No need to initialize because IndexManager is not static, and the constructor immediately instantiates a Template
+    // No need to initialize because IndexManager is not static,
+    // and the constructor immediately instantiates a Template
     public $tpl;
     public $name = '';
     public $home = '';
@@ -314,7 +315,6 @@ class IndexManager
     public function return_notice()
     {
         $user_selected_language = api_get_interface_language();
-
         $html = '';
         // Notice
         $home_notice = @(string) file_get_contents($this->home.'home_notice_'.$user_selected_language.'.html');
@@ -1164,7 +1164,7 @@ class IndexManager
             // Load sessions in category
             $session_categories = UserManager::get_sessions_by_category($user_id, false);
         }
-        
+
         $sessionCount = 0;
         $courseCount = 0;
 
@@ -1366,7 +1366,7 @@ class IndexManager
                 $coursesWithoutCategoryTemplate = '/user_portal/grid_courses_without_category.tpl';
                 $coursesWithCategoryTemplate = '/user_portal/grid_courses_with_category.tpl';
             }
-            
+
             if ($specialCourses) {
                 if ($categoryCodeFilter) {
                     $specialCourses = self::filterByCategory(
diff --git a/plugin/kannelsms/lang/english.php b/plugin/kannelsms/lang/english.php
index acc1a041af..d030d99ebf 100644
--- a/plugin/kannelsms/lang/english.php
+++ b/plugin/kannelsms/lang/english.php
@@ -1,7 +1,7 @@
 <?php
 
-$strings['plugin_title']        = "Kannel SMS";
-$strings['plugin_comment']      = "When enabled and an email sent successfully, a text message is sent to the user.";
+$strings['plugin_title'] = "Kannel SMS";
+$strings['plugin_comment'] = "When enabled and an email sent successfully, a text message is sent to the user.";
 
 $strings['tool_enable'] = "Enable SMS sending";
 $strings['tool_enable_help'] = "Choose if you want to enable SMS sending tool.
@@ -16,90 +16,90 @@ $strings['from'] = "Sender mobile number";
 $strings['sms_types'] = "Send SMS when";
 $strings['mobile_phone_number'] = "Mobile";
 
-$strings['MessageWelcomeXLoginXPasswordX']                              = "A user is added to the platform";
-$strings['MessageXNewFileSharedCourseXByX']                             = "A file is added to dropbox";
-$strings['MessageXAccountApprovedConnectX']                             = "An account is approved";
-$strings['MessageXNewCourseXBeenCreatedX']                              = "A new course is created";
-$strings['MessageXNewUserXSubscribedCourseX']                           = "A user is subscribed to a course";
-$strings['MessageXNewCourseSuggestedTeacherX']                          = "A new course is suggested";
-$strings['MessageXCourseOpeningRequestCodeXRegistered']                 = "A new course opening request is registered";
-$strings['MessageXCourseOpeningRequestCourseCodeXApproved']             = "A new course opening request is approved";
-$strings['MessageXRequestOpenCourseCodeXReject']                        = "A new course opening request is rejected";
-$strings['MessageXCourseOpeningRequestCourseCodeX']                     = "Additional information is required for a new course opening request";
-$strings['MessageXBeenSubscribedCourseX']                               = "A user is added to the course but not registered to it yet";
-$strings['MessageXAssignmentBeenCreatedCourseX']                        = "Homework is created";
-$strings['MessageXAccountCreatedUpdatedLoginXPasswordX']                = "A user account is created or updated";
-$strings['MessageXPasswordUpdatedLoginXPasswordX']                      = "A user password is updated";
-$strings['MessageXRequestedPasswordChange']                             = "A user requests a password change";
-$strings['MessageXReceivedNewPersonalMessages']                         = "New personal messages are received in user's inbox or forum";
-$strings['MessageXNewUserXPendingApproval']                             = "A new user registration is pending for approval";
-$strings['MessageXXPostedForumXCourseX']                                = "A user posts in forum";
-$strings['MessageXXXCheckEmailConnectMoreInfo']                         = "An announcement is sent";
-$strings['MessageXXStudentXAnsweredTestX']                              = "A student solves an exercise";
-$strings['MessageXXStudentXAnsweredTestXOpenQuestion']                  = "A student solves an open question";
-$strings['MessageXXStudentXAnsweredTestXVoiceQuestion']                 = "A student solves a voice question";
-$strings['MessageXXAnswerOpenQuestionTestXReviewed']                    = "An open question answer is reviewed";
-$strings['MessageXXNewThreadXStartedForumX']                            = "A new thread is started in forum";
-$strings['MessageXXNewAnswerPostedXForumX']                             = "A new answer is posted in forum";
-$strings['MessageXXNewSystemAnnouncementAdded']                         = "A new system announcement is added and the user does not want to send a test email";
-$strings['MessageXTestXNewSystemAnnouncementAdded']                     = "A new system announcement is added and the user wants to send a test email";
-$strings['MessageXXSystemAnnouncementUpdate']                           = "A new system announcement is updated and the user does not want to send a test email";
-$strings['MessageXTestXSystemAnnouncementUpdate']                       = "A new system announcement is updated and the user wants to send a test email";
-$strings['MessageXUserXUploadedAssignmentXCourseXStudentSubmitsPaper']  = "An assignment is uploaded and there is no current session (this will be sent only to coaches)";
-$strings['MessageXUserXUploadedAssignmentXCheckXStudentSubmitsPaper']   = "An assignment is uploaded (this will be sent only to teachers)";
-$strings['MessageXUserXUploadedAssignmentXCourseX']                     = "... and there is no current session (this will be sent only to coaches)";
-$strings['MessageXUserXUploadedAssignmentXCheckX']                      = "... (this will be sent only to teachers)";
-$strings['MessageXSubscribedSessionX']                                  = "A session is created or updated and new users are subscribed";
-$strings['MessageXSubscribedSessionXCSV']                               = "New users are subscribed to a session importing a CSV file";
-$strings['MessageXUserXSuggestedBeFriends']                             = "A friendship invitation is received";
-$strings['MessageXUserXAnsweredInboxMessage']                           = "A message reply is received in inbox";
-$strings['MessageXBeenInvitedJoinGroupX']                               = "A group join invitation is received";
-$strings['MessageXMessagesSentEditedGroupXEdited']                      = "A group topic message is updated";
-$strings['MessageXMessagesSentEditedGroupXAdded']                       = "A group topic message is added";
-$strings['MessageXBeenInvitedCompleteSurveyXCourseX']                   = "A new survey is created";
-$strings['MessageXReminderAssignmentXCourseXDue']                       = "A reminder is sent to students who have not uploaded their assignment yet";
-$strings['MessageXUserDetailsModified']                                 = "User details have been updated";
+$strings['MessageWelcomeXLoginXPasswordX'] = "A user is added to the platform";
+$strings['MessageXNewFileSharedCourseXByX'] = "A file is added to dropbox";
+$strings['MessageXAccountApprovedConnectX'] = "An account is approved";
+$strings['MessageXNewCourseXBeenCreatedX'] = "A new course is created";
+$strings['MessageXNewUserXSubscribedCourseX'] = "A user is subscribed to a course";
+$strings['MessageXNewCourseSuggestedTeacherX'] = "A new course is suggested";
+$strings['MessageXCourseOpeningRequestCodeXRegistered'] = "A new course opening request is registered";
+$strings['MessageXCourseOpeningRequestCourseCodeXApproved'] = "A new course opening request is approved";
+$strings['MessageXRequestOpenCourseCodeXReject'] = "A new course opening request is rejected";
+$strings['MessageXCourseOpeningRequestCourseCodeX'] = "Additional information is required for a new course opening request";
+$strings['MessageXBeenSubscribedCourseX'] = "A user is added to the course but not registered to it yet";
+$strings['MessageXAssignmentBeenCreatedCourseX'] = "Homework is created";
+$strings['MessageXAccountCreatedUpdatedLoginXPasswordX'] = "A user account is created or updated";
+$strings['MessageXPasswordUpdatedLoginXPasswordX'] = "A user password is updated";
+$strings['MessageXRequestedPasswordChange'] = "A user requests a password change";
+$strings['MessageXReceivedNewPersonalMessages'] = "New personal messages are received in user's inbox or forum";
+$strings['MessageXNewUserXPendingApproval'] = "A new user registration is pending for approval";
+$strings['MessageXXPostedForumXCourseX'] = "A user posts in forum";
+$strings['MessageXXXCheckEmailConnectMoreInfo'] = "An announcement is sent";
+$strings['MessageXXStudentXAnsweredTestX'] = "A student solves an exercise";
+$strings['MessageXXStudentXAnsweredTestXOpenQuestion'] = "A student solves an open question";
+$strings['MessageXXStudentXAnsweredTestXVoiceQuestion'] = "A student solves a voice question";
+$strings['MessageXXAnswerOpenQuestionTestXReviewed'] = "An open question answer is reviewed";
+$strings['MessageXXNewThreadXStartedForumX'] = "A new thread is started in forum";
+$strings['MessageXXNewAnswerPostedXForumX'] = "A new answer is posted in forum";
+$strings['MessageXXNewSystemAnnouncementAdded'] = "A new system announcement is added and the user does not want to send a test email";
+$strings['MessageXTestXNewSystemAnnouncementAdded'] = "A new system announcement is added and the user wants to send a test email";
+$strings['MessageXXSystemAnnouncementUpdate'] = "A new system announcement is updated and the user does not want to send a test email";
+$strings['MessageXTestXSystemAnnouncementUpdate'] = "A new system announcement is updated and the user wants to send a test email";
+$strings['MessageXUserXUploadedAssignmentXCourseXStudentSubmitsPaper'] = "An assignment is uploaded and there is no current session (this will be sent only to coaches)";
+$strings['MessageXUserXUploadedAssignmentXCheckXStudentSubmitsPaper'] = "An assignment is uploaded (this will be sent only to teachers)";
+$strings['MessageXUserXUploadedAssignmentXCourseX'] = "... and there is no current session (this will be sent only to coaches)";
+$strings['MessageXUserXUploadedAssignmentXCheckX'] = "... (this will be sent only to teachers)";
+$strings['MessageXSubscribedSessionX'] = "A session is created or updated and new users are subscribed";
+$strings['MessageXSubscribedSessionXCSV'] = "New users are subscribed to a session importing a CSV file";
+$strings['MessageXUserXSuggestedBeFriends'] = "A friendship invitation is received";
+$strings['MessageXUserXAnsweredInboxMessage'] = "A message reply is received in inbox";
+$strings['MessageXBeenInvitedJoinGroupX'] = "A group join invitation is received";
+$strings['MessageXMessagesSentEditedGroupXEdited'] = "A group topic message is updated";
+$strings['MessageXMessagesSentEditedGroupXAdded'] = "A group topic message is added";
+$strings['MessageXBeenInvitedCompleteSurveyXCourseX'] = "A new survey is created";
+$strings['MessageXReminderAssignmentXCourseXDue'] = "A reminder is sent to students who have not uploaded their assignment yet";
+$strings['MessageXUserDetailsModified'] = "User details have been updated";
 
-$strings['WelcomeXLoginXPasswordX']                                     = "Welcome to %s. Here are your user account details: login: %s, password: %s";
-$strings['XNewFileSharedCourseXByX']                                    = "%s: A new file has been shared with you in course %s by %s";
-$strings['XAccountApprovedConnectX']                                    = "%s: Your account has been approved by an administrator. You can now connect to %s";
-$strings['XNewCourseXBeenCreatedX']                                     = "%s: A new course (%s) has been created by %s";
-$strings['XNewUserXSubscribedCourseX']                                  = "%s: A new user (%s) has just subscribed to your course (%s)";
-$strings['XNewCourseSuggestedTeacherX']                                 = "%s: A new course has been suggested by teacher (%s). Please connect to the admin page to review it";
-$strings['XCourseOpeningRequestCodeXRegistered']                        = "%s: Your course opening request (code %s) has been registered. You will be informed when it is approved";
-$strings['XCourseOpeningRequestCourseCodeXApproved']                    = "%s: Your course opening request for course code %s has been approved. Connect to your portal to use it";
-$strings['XRequestOpenCourseCodeXReject']                               = "%s: We are sorry to inform you that your request to open course code %s has been rejected";
-$strings['XCourseOpeningRequestCourseCodeX']                            = "%s: Your course opening request for course code %s requires more information. Check e-mail for more info";
-$strings['XBeenSubscribedCourseX']                                      = "%s: You have been subscribed to course %s";
-$strings['XAssignmentBeenCreatedCourseX']                               = "%s: A new assignment has been created in course %s. Please connect for more info";
-$strings['XAccountCreatedUpdatedLoginXPasswordX']                       = "%s: Your account has been created or updated. You can now login as %s, password: %s";
-$strings['XPasswordUpdatedLoginXPasswordX']                             = "%s: Your password has been updated. You can now login as %s, password: %s";
-$strings['XRequestedPasswordChange']                                    = "%s: You have requested a password change. Please check your e-mail for more information";
-$strings['XReceivedNewPersonalMessages']                                = "%s: You have received new personal messages in your inbox or in the forum. Please check your e-mail for more info";
-$strings['XNewUserXPendingApproval']                                    = "%s: A new user (%s) registration is pending your approval. Please connect to the admin panel to review";
-$strings['XXPostedForumXCourseX']                                       = "%s: %s just posted on forum %s in course %s";
-$strings['XXXCheckEmailConnectMoreInfo']                                = "%s: %s: %s. Check your e-mail or connect for more info";
-$strings['XXStudentXAnsweredTestX']                                     = "%s: %s: Student %s has just answered test %s";
-$strings['XXStudentXAnsweredTestXOpenQuestion']                         = "%s: %s: Student %s answered test %s's open question. Please connect to review";
-$strings['XXStudentXAnsweredTestXVoiceQuestion']                        = "%s: %s: Student %s answered test %s's voice question. Please connect to review";
-$strings['XXAnswerOpenQuestionTestXReviewed']                           = "%s: %s: Your answer to an open question in test %s has been reviewed";
-$strings['XXNewThreadXStartedForumX']                                   = "%s: %s: A new thread (%s) has been started in forum %s";
-$strings['XXNewAnswerPostedXForumX']                                    = "%s: %s: A new answer has been posted to (%s) in forum %s";
-$strings['XXNewSystemAnnouncementAdded']                                = "%s: %s";
-$strings['XTestXNewSystemAnnouncementAdded']                            = "%s (test): %s";
-$strings['XXSystemAnnouncementUpdate']                                  = "%s: %s (update)";
-$strings['XTestXSystemAnnouncementUpdate']                              = "%s (test): %s";
-$strings['XUserXUploadedAssignmentXCourseXStudentSubmitsPaper']         = "%s: User %s uploaded assignment %s in course %s";
-$strings['XUserXUploadedAssignmentXCheckXStudentSubmitsPaper']          = "%s: User %s uploaded assignment %s. Check %s";
-$strings['XUserXUploadedAssignmentXCourseX']                            = "%s: User %s uploaded assignment %s in course %s";
-$strings['XUserXUploadedAssignmentXCheckX']                             = "%s: User %s uploaded assignment %s. Check %s";
-$strings['XSubscribedSessionX']                                         = "%s: You have been subscribed to session %s";
-$strings['XSubscribedSessionXCSV']                                      = "%s: You have been subscribed to session %s";
-$strings['XUserXSuggestedBeFriends']                                    = "%s: User %s suggested you should be friends. Check your inbox or e-mail for details";
-$strings['XUserXAnsweredInboxMessage']                                  = "%s: User %s just answered your Inbox message";
-$strings['XBeenInvitedJoinGroupX']                                      = "%s: you have been invited to join group %s. Check your Inbox for details";
-$strings['XMessagesSentEditedGroupXEdited']                             = "%s: Messages sent or edited in group %s. Check your Inbox for details";
-$strings['XMessagesSentEditedGroupXAdded']                              = "%s: Messages sent or edited in group %s. Check your Inbox for details";
-$strings['XBeenInvitedCompleteSurveyXCourseX']                          = "%s: You have been invited to complete survey %s in course %s";
-$strings['XReminderAssignmentXCourseXDue']                              = "%s: This is a simple reminder that your assignment (%s) in course %s is still due";
-$strings['XUserDetailsModified']                                        = "%s: Your user details have been modified. Please check your e-mail for more information";
+$strings['WelcomeXLoginXPasswordX'] = "Welcome to %s. Here are your user account details: login: %s, password: %s";
+$strings['XNewFileSharedCourseXByX'] = "%s: A new file has been shared with you in course %s by %s";
+$strings['XAccountApprovedConnectX'] = "%s: Your account has been approved by an administrator. You can now connect to %s";
+$strings['XNewCourseXBeenCreatedX'] = "%s: A new course (%s) has been created by %s";
+$strings['XNewUserXSubscribedCourseX'] = "%s: A new user (%s) has just subscribed to your course (%s)";
+$strings['XNewCourseSuggestedTeacherX'] = "%s: A new course has been suggested by teacher (%s). Please connect to the admin page to review it";
+$strings['XCourseOpeningRequestCodeXRegistered'] = "%s: Your course opening request (code %s) has been registered. You will be informed when it is approved";
+$strings['XCourseOpeningRequestCourseCodeXApproved'] = "%s: Your course opening request for course code %s has been approved. Connect to your portal to use it";
+$strings['XRequestOpenCourseCodeXReject'] = "%s: We are sorry to inform you that your request to open course code %s has been rejected";
+$strings['XCourseOpeningRequestCourseCodeX'] = "%s: Your course opening request for course code %s requires more information. Check e-mail for more info";
+$strings['XBeenSubscribedCourseX'] = "%s: You have been subscribed to course %s";
+$strings['XAssignmentBeenCreatedCourseX'] = "%s: A new assignment has been created in course %s. Please connect for more info";
+$strings['XAccountCreatedUpdatedLoginXPasswordX'] = "%s: Your account has been created or updated. You can now login as %s, password: %s";
+$strings['XPasswordUpdatedLoginXPasswordX'] = "%s: Your password has been updated. You can now login as %s, password: %s";
+$strings['XRequestedPasswordChange'] = "%s: You have requested a password change. Please check your e-mail for more information";
+$strings['XReceivedNewPersonalMessages'] = "%s: You have received new personal messages in your inbox or in the forum. Please check your e-mail for more info";
+$strings['XNewUserXPendingApproval'] = "%s: A new user (%s) registration is pending your approval. Please connect to the admin panel to review";
+$strings['XXPostedForumXCourseX'] = "%s: %s just posted on forum %s in course %s";
+$strings['XXXCheckEmailConnectMoreInfo'] = "%s: %s: %s. Check your e-mail or connect for more info";
+$strings['XXStudentXAnsweredTestX'] = "%s: %s: Student %s has just answered test %s";
+$strings['XXStudentXAnsweredTestXOpenQuestion'] = "%s: %s: Student %s answered test %s's open question. Please connect to review";
+$strings['XXStudentXAnsweredTestXVoiceQuestion'] = "%s: %s: Student %s answered test %s's voice question. Please connect to review";
+$strings['XXAnswerOpenQuestionTestXReviewed'] = "%s: %s: Your answer to an open question in test %s has been reviewed";
+$strings['XXNewThreadXStartedForumX'] = "%s: %s: A new thread (%s) has been started in forum %s";
+$strings['XXNewAnswerPostedXForumX'] = "%s: %s: A new answer has been posted to (%s) in forum %s";
+$strings['XXNewSystemAnnouncementAdded'] = "%s: %s";
+$strings['XTestXNewSystemAnnouncementAdded'] = "%s (test): %s";
+$strings['XXSystemAnnouncementUpdate'] = "%s: %s (update)";
+$strings['XTestXSystemAnnouncementUpdate'] = "%s (test): %s";
+$strings['XUserXUploadedAssignmentXCourseXStudentSubmitsPaper'] = "%s: User %s uploaded assignment %s in course %s";
+$strings['XUserXUploadedAssignmentXCheckXStudentSubmitsPaper'] = "%s: User %s uploaded assignment %s. Check %s";
+$strings['XUserXUploadedAssignmentXCourseX'] = "%s: User %s uploaded assignment %s in course %s";
+$strings['XUserXUploadedAssignmentXCheckX'] = "%s: User %s uploaded assignment %s. Check %s";
+$strings['XSubscribedSessionX'] = "%s: You have been subscribed to session %s";
+$strings['XSubscribedSessionXCSV'] = "%s: You have been subscribed to session %s";
+$strings['XUserXSuggestedBeFriends'] = "%s: User %s suggested you should be friends. Check your inbox or e-mail for details";
+$strings['XUserXAnsweredInboxMessage'] = "%s: User %s just answered your Inbox message";
+$strings['XBeenInvitedJoinGroupX'] = "%s: you have been invited to join group %s. Check your Inbox for details";
+$strings['XMessagesSentEditedGroupXEdited'] = "%s: Messages sent or edited in group %s. Check your Inbox for details";
+$strings['XMessagesSentEditedGroupXAdded'] = "%s: Messages sent or edited in group %s. Check your Inbox for details";
+$strings['XBeenInvitedCompleteSurveyXCourseX'] = "%s: You have been invited to complete survey %s in course %s";
+$strings['XReminderAssignmentXCourseXDue'] = "%s: This is a simple reminder that your assignment (%s) in course %s is still due";
+$strings['XUserDetailsModified'] = "%s: Your user details have been modified. Please check your e-mail for more information";
diff --git a/plugin/kannelsms/lang/spanish.php b/plugin/kannelsms/lang/spanish.php
index e8d34c8c67..eefe9fbfa3 100644
--- a/plugin/kannelsms/lang/spanish.php
+++ b/plugin/kannelsms/lang/spanish.php
@@ -1,7 +1,7 @@
 <?php
 
-$strings['plugin_title']        = "Kannel SMS";
-$strings['plugin_comment']      = "Ofrece la posibilidad de enviar SMS a celulares cuando se envían e-mails de notificación.";
+$strings['plugin_title'] = "Kannel SMS";
+$strings['plugin_comment'] = "Ofrece la posibilidad de enviar SMS a celulares cuando se envían e-mails de notificación.";
 
 $strings['tool_enable'] = "Activar envío de SMS";
 $strings['tool_enable_help'] = "Escoja si desea activar la herramienta de envío de mensajes a celulares Kannel SMS.
@@ -16,90 +16,90 @@ $strings['from'] = "Número de móvil remitente";
 $strings['sms_types'] = "Enviar un SMS cuando";
 $strings['mobile_phone_number'] = "Móvil";
 
-$strings['MessageWelcomeXLoginXPasswordX']                              = "Se añada un usuario a la plataforma";
-$strings['MessageXNewFileSharedCourseXByX']                             = "Un archivo se añada a dropbox";
-$strings['MessageXAccountApprovedConnectX']                             = "Se apruebe una cuenta de usuario";
-$strings['MessageXNewCourseXBeenCreatedX']                              = "Se cree un curso nuevo";
-$strings['MessageXNewUserXSubscribedCourseX']                           = "Un usuario se suscriba a un curso";
-$strings['MessageXNewCourseSuggestedTeacherX']                          = "Un profesor sugiera un curso nuevo";
-$strings['MessageXCourseOpeningRequestCodeXRegistered']                 = "Se registre una solicitud de apertura de curso";
-$strings['MessageXCourseOpeningRequestCourseCodeXApproved']             = "Se apruebe una solicitud de apertura de curso";
-$strings['MessageXRequestOpenCourseCodeXReject']                        = "Se rechace una solicitud de apertura de curso";
-$strings['MessageXCourseOpeningRequestCourseCodeX']                     = "Se requiera más información de una solicitud de apertura de curso";
-$strings['MessageXBeenSubscribedCourseX']                               = "Se le suscriba a un curso a un usuario que aún no está registrado";
-$strings['MessageXAssignmentBeenCreatedCourseX']                        = "Se cree una nueva tarea en un curso";
-$strings['MessageXAccountCreatedUpdatedLoginXPasswordX']                = "Se cree o actualice una cuenta de usuario";
-$strings['MessageXPasswordUpdatedLoginXPasswordX']                      = "Se actualice la contraseña de un usuario";
-$strings['MessageXRequestedPasswordChange']                             = "Un usuario solicite un cambio de contraseña";
-$strings['MessageXReceivedNewPersonalMessages']                         = "Se reciban mensajes personales nuevos en la bandeja de entrada o en el foro";
-$strings['MessageXNewUserXPendingApproval']                             = "Una inscripción de un nuevo usuario esté pendiente de aprobación";
-$strings['MessageXXPostedForumXCourseX']                                = "Un usuario escriba en el foro";
-$strings['MessageXXXCheckEmailConnectMoreInfo']                         = "Se envíe una notificación";
-$strings['MessageXXStudentXAnsweredTestX']                              = "Un estudiante resuelva un ejercicio de un examen";
-$strings['MessageXXStudentXAnsweredTestXOpenQuestion']                  = "Un estudiante conteste a una pregunta abierta de un examen";
-$strings['MessageXXStudentXAnsweredTestXVoiceQuestion']                 = "Un estudiante conteste a una pregunta de voz de un examen";
-$strings['MessageXXAnswerOpenQuestionTestXReviewed']                    = "Se revise una pregunta abierta de un examen";
-$strings['MessageXXNewThreadXStartedForumX']                            = "Se cree un hilo nuevo en el foro";
-$strings['MessageXXNewAnswerPostedXForumX']                             = "Se escriba una respuesta nueva en el foro";
-$strings['MessageXXNewSystemAnnouncementAdded']                         = "Se añada una notificación y el usuario no desee enviar un examen por correo electrónico";
-$strings['MessageXTestXNewSystemAnnouncementAdded']                     = "Se añada una notificación y el usuario desee enviar un examen por correo electrónico";
-$strings['MessageXXSystemAnnouncementUpdate']                           = "Se actualice una notificación y el usuario no desee enviar un examen por correo electrónico";
-$strings['MessageXTestXSystemAnnouncementUpdate']                       = "Se actualice una notificación y el usuario desee enviar un examen por correo electrónico";
-$strings['MessageXUserXUploadedAssignmentXCourseXStudentSubmitsPaper']  = "Un estudiante suba su tarea y no exista una sesión (se enviará sólo a coordinadores)";
-$strings['MessageXUserXUploadedAssignmentXCheckXStudentSubmitsPaper']   = "Un estudiante suba su tarea (se enviará sólo a profesores)";
-$strings['MessageXUserXUploadedAssignmentXCourseX']                     = "... y no exista una sesión (se enviará sólo a coordinadores)";
-$strings['MessageXUserXUploadedAssignmentXCheckX']                      = "... (se enviará sólo a profesores)";
-$strings['MessageXSubscribedSessionX']                                  = "Se cree o edite una sesión nueva y se suscriban a usuarios nuevos";
-$strings['MessageXSubscribedSessionXCSV']                               = "Se suscriban a usuarios nuevos desde un archivo CSV";
-$strings['MessageXUserXSuggestedBeFriends']                             = "Se reciba una invitación de amistad";
-$strings['MessageXUserXAnsweredInboxMessage']                           = "Se reciba la contestación a un mensaje en la bandeja de entrada";
-$strings['MessageXBeenInvitedJoinGroupX']                               = "Se reciba una invitación para unirse a un grupo";
-$strings['MessageXMessagesSentEditedGroupXEdited']                      = "Se actualice un mensaje en un tema de grupo";
-$strings['MessageXMessagesSentEditedGroupXAdded']                       = "Se añada un mensaje en un tema de grupo";
-$strings['MessageXBeenInvitedCompleteSurveyXCourseX']                   = "Se cree una encuesta nueva";
-$strings['MessageXReminderAssignmentXCourseXDue']                       = "Se envíe un recordatorio a los estudiantes que no hayan enviado su tarea";
-$strings['MessageXUserDetailsModified']                                 = "Se actualice información de un usuario";
+$strings['MessageWelcomeXLoginXPasswordX'] = "Se añada un usuario a la plataforma";
+$strings['MessageXNewFileSharedCourseXByX'] = "Un archivo se añada a dropbox";
+$strings['MessageXAccountApprovedConnectX'] = "Se apruebe una cuenta de usuario";
+$strings['MessageXNewCourseXBeenCreatedX'] = "Se cree un curso nuevo";
+$strings['MessageXNewUserXSubscribedCourseX'] = "Un usuario se suscriba a un curso";
+$strings['MessageXNewCourseSuggestedTeacherX'] = "Un profesor sugiera un curso nuevo";
+$strings['MessageXCourseOpeningRequestCodeXRegistered'] = "Se registre una solicitud de apertura de curso";
+$strings['MessageXCourseOpeningRequestCourseCodeXApproved'] = "Se apruebe una solicitud de apertura de curso";
+$strings['MessageXRequestOpenCourseCodeXReject'] = "Se rechace una solicitud de apertura de curso";
+$strings['MessageXCourseOpeningRequestCourseCodeX'] = "Se requiera más información de una solicitud de apertura de curso";
+$strings['MessageXBeenSubscribedCourseX'] = "Se le suscriba a un curso a un usuario que aún no está registrado";
+$strings['MessageXAssignmentBeenCreatedCourseX'] = "Se cree una nueva tarea en un curso";
+$strings['MessageXAccountCreatedUpdatedLoginXPasswordX'] = "Se cree o actualice una cuenta de usuario";
+$strings['MessageXPasswordUpdatedLoginXPasswordX'] = "Se actualice la contraseña de un usuario";
+$strings['MessageXRequestedPasswordChange'] = "Un usuario solicite un cambio de contraseña";
+$strings['MessageXReceivedNewPersonalMessages'] = "Se reciban mensajes personales nuevos en la bandeja de entrada o en el foro";
+$strings['MessageXNewUserXPendingApproval'] = "Una inscripción de un nuevo usuario esté pendiente de aprobación";
+$strings['MessageXXPostedForumXCourseX'] = "Un usuario escriba en el foro";
+$strings['MessageXXXCheckEmailConnectMoreInfo'] = "Se envíe una notificación";
+$strings['MessageXXStudentXAnsweredTestX'] = "Un estudiante resuelva un ejercicio de un examen";
+$strings['MessageXXStudentXAnsweredTestXOpenQuestion'] = "Un estudiante conteste a una pregunta abierta de un examen";
+$strings['MessageXXStudentXAnsweredTestXVoiceQuestion'] = "Un estudiante conteste a una pregunta de voz de un examen";
+$strings['MessageXXAnswerOpenQuestionTestXReviewed'] = "Se revise una pregunta abierta de un examen";
+$strings['MessageXXNewThreadXStartedForumX'] = "Se cree un hilo nuevo en el foro";
+$strings['MessageXXNewAnswerPostedXForumX'] = "Se escriba una respuesta nueva en el foro";
+$strings['MessageXXNewSystemAnnouncementAdded'] = "Se añada una notificación y el usuario no desee enviar un examen por correo electrónico";
+$strings['MessageXTestXNewSystemAnnouncementAdded'] = "Se añada una notificación y el usuario desee enviar un examen por correo electrónico";
+$strings['MessageXXSystemAnnouncementUpdate'] = "Se actualice una notificación y el usuario no desee enviar un examen por correo electrónico";
+$strings['MessageXTestXSystemAnnouncementUpdate'] = "Se actualice una notificación y el usuario desee enviar un examen por correo electrónico";
+$strings['MessageXUserXUploadedAssignmentXCourseXStudentSubmitsPaper'] = "Un estudiante suba su tarea y no exista una sesión (se enviará sólo a coordinadores)";
+$strings['MessageXUserXUploadedAssignmentXCheckXStudentSubmitsPaper'] = "Un estudiante suba su tarea (se enviará sólo a profesores)";
+$strings['MessageXUserXUploadedAssignmentXCourseX'] = "... y no exista una sesión (se enviará sólo a coordinadores)";
+$strings['MessageXUserXUploadedAssignmentXCheckX'] = "... (se enviará sólo a profesores)";
+$strings['MessageXSubscribedSessionX'] = "Se cree o edite una sesión nueva y se suscriban a usuarios nuevos";
+$strings['MessageXSubscribedSessionXCSV'] = "Se suscriban a usuarios nuevos desde un archivo CSV";
+$strings['MessageXUserXSuggestedBeFriends'] = "Se reciba una invitación de amistad";
+$strings['MessageXUserXAnsweredInboxMessage'] = "Se reciba la contestación a un mensaje en la bandeja de entrada";
+$strings['MessageXBeenInvitedJoinGroupX'] = "Se reciba una invitación para unirse a un grupo";
+$strings['MessageXMessagesSentEditedGroupXEdited'] = "Se actualice un mensaje en un tema de grupo";
+$strings['MessageXMessagesSentEditedGroupXAdded'] = "Se añada un mensaje en un tema de grupo";
+$strings['MessageXBeenInvitedCompleteSurveyXCourseX'] = "Se cree una encuesta nueva";
+$strings['MessageXReminderAssignmentXCourseXDue'] = "Se envíe un recordatorio a los estudiantes que no hayan enviado su tarea";
+$strings['MessageXUserDetailsModified'] = "Se actualice información de un usuario";
 
-$strings['WelcomeXLoginXPasswordX']                                     = "Bienvenido a %s. Éstos son sus datos de acceso: usuario: %s, contraseña: %s";
-$strings['XNewFileSharedCourseXByX']                                    = "%s: Un nuevo archivo ha sido compartido contigo en el curso %s por %s";
-$strings['XAccountApprovedConnectX']                                    = "%s: Su cuenta ha sido aprobada por un administrador. Ya puede conectarse a %s";
-$strings['XNewCourseXBeenCreatedX']                                     = "%s: Un nuevo curso (%s) ha sido creado por %s";
-$strings['XNewUserXSubscribedCourseX']                                  = "%s: Un nuevo usuario (%s) se ha suscrito a su curso (%s)";
-$strings['XNewCourseSuggestedTeacherX']                                 = "%s: Un nuevo curso ha sido sugerido por el profesor (%s). Por favor, conéctese a la página de administración para revisarlo";
-$strings['XCourseOpeningRequestCodeXRegistered']                        = "%s: Su solicitud de apertura de curso (código %s) ha sido registrada. Será informado cuando ésta sea aprobada";
-$strings['XCourseOpeningRequestCourseCodeXApproved']                    = "%s: Su solicitud de apertura de curso para el código de curso %s ha sido aprobada. Conéctese a su portal para usarlo";
-$strings['XRequestOpenCourseCodeXReject']                               = "%s: Lamentamos informarle que su solicitud de apertura de curso para el código de curso %s ha sido rechazada";
-$strings['XCourseOpeningRequestCourseCodeX']                            = "%s: Su solicitud de apertura de curso para el código de curso %s requiere más información. Compruebe su e-mail para más información";
-$strings['XBeenSubscribedCourseX']                                      = "%s: Ha sido suscrito al curso %s";
-$strings['XAssignmentBeenCreatedCourseX']                               = "%s: Una nueva tarea ha sido creada en el curso %s. Por favor, conéctese para más información";
-$strings['XAccountCreatedUpdatedLoginXPasswordX']                       = "%s: Su cuenta ha sido creada o actualizada. Ya puede conectarse como %s, contraseña: %s";
-$strings['XPasswordUpdatedLoginXPasswordX']                             = "%s: Su contraseña ha sido actualizada. Ya puede conectarse como %s, contraseña: %s";
-$strings['XRequestedPasswordChange']                                    = "%s: Ha solicitado un cambio de contraseña. Por favor, compruebe su e-mail para más información";
-$strings['XReceivedNewPersonalMessages']                                = "%s: Ha recibido mensajes personales nuevos en su bandeja de entrada o en el foro. Por favor, compruebe su e-mail para más información";
-$strings['XNewUserXPendingApproval']                                    = "%s: Una inscripción de un nuevo usuario (%s) está pendiente de su aprobación. Por favor, conéctese al panel de administración para revisarla";
-$strings['XXPostedForumXCourseX']                                       = "%s: %s acaba de escribir en el foro %s del curso %s";
-$strings['XXXCheckEmailConnectMoreInfo']                                = "%s: %s: %s. Compruebe su e-mail o conéctese para más información";
-$strings['XXStudentXAnsweredTestX']                                     = "%s: %s: El estudiante %s acaba de contestar al test %s";
-$strings['XXStudentXAnsweredTestXOpenQuestion']                         = "%s: %s: El estudiante %s contestó a la pregunta abierta del test %s. Por favor, conéctese para revisarla";
-$strings['XXStudentXAnsweredTestXVoiceQuestion']                        = "%s: %s: El estudiante %s contestó a la pregunta de voz del test %s. Por favor, conéctese para revisarla";
-$strings['XXAnswerOpenQuestionTestXReviewed']                           = "%s: %s: Su respuesta a la pregunta abierta en el test %s ha sido revisada.";
-$strings['XXNewThreadXStartedForumX']                                   = "%s: %s: Se ha comenzado un nuevo hilo (%s) en el foro %s";
-$strings['XXNewAnswerPostedXForumX']                                    = "%s: %s: Se ha escrito una nueva respuesta a (%s) en el foro %s";
-$strings['XXNewSystemAnnouncementAdded']                                = "%s: %s";
-$strings['XTestXNewSystemAnnouncementAdded']                            = "%s (prueba): %s";
-$strings['XXSystemAnnouncementUpdate']                                  = "%s: %s (actualización)";
-$strings['XTestXSystemAnnouncementUpdate']                              = "%s (prueba): %s";
-$strings['XUserXUploadedAssignmentXCourseXStudentSubmitsPaper']         = "%s: El usuario %s subió la tarea %s al curso %s";
-$strings['XUserXUploadedAssignmentXCheckXStudentSubmitsPaper']          = "%s: El usuario %s subió la tarea %s. Compruébelo en %s";
-$strings['XUserXUploadedAssignmentXCourseX']                            = "%s: El usuario %s subió la tarea %s al curso %s";
-$strings['XUserXUploadedAssignmentXCheckX']                             = "%s: El usuario %s subió la tarea %s. Compruébelo en %s";
-$strings['XSubscribedSessionX']                                         = "%s: Ha sido suscrito a la sesión %s";
-$strings['XSubscribedSessionXCSV']                                      = "%s: Ha sido suscrito a la sesión %s";
-$strings['XUserXSuggestedBeFriends']                                    = "%s: El usuario %s le sugirió que podrían ser amigos. Compruebe su bandeja de entrada o su e-mail para más detalles";
-$strings['XUserXAnsweredInboxMessage']                                  = "%s: El usuario acaba de contestar a su mensaje de la bandeja de entrada";
-$strings['XBeenInvitedJoinGroupX']                                      = "%s: Ha sido invitado a unirse al grupo %s. Compruebe su bandeja de entrada para más detalles";
-$strings['XMessagesSentEditedGroupXEdited']                             = "%s: Hay mensajes enviados o editados en el grupo %s. Compruebe su bandeja de entrada para más detalles";
-$strings['XMessagesSentEditedGroupXAdded']                              = "%s: Hay mensajes enviados o editados en el grupo %s. Compruebe su bandeja de entrada para más detalles";
-$strings['XBeenInvitedCompleteSurveyXCourseX']                          = "%s: Ha sido invitado a completar la encuesta %s del curso %s";
-$strings['XReminderAssignmentXCourseXDue']                              = "%s: Se le recuerda que su tarea (%s) del curso %s aún está pendiente";
-$strings['XUserDetailsModified']                                        = "%s: Su información de usuario ha sido modificada. Compruebe su e-mail para más información";
+$strings['WelcomeXLoginXPasswordX'] = "Bienvenido a %s. Éstos son sus datos de acceso: usuario: %s, contraseña: %s";
+$strings['XNewFileSharedCourseXByX'] = "%s: Un nuevo archivo ha sido compartido contigo en el curso %s por %s";
+$strings['XAccountApprovedConnectX'] = "%s: Su cuenta ha sido aprobada por un administrador. Ya puede conectarse a %s";
+$strings['XNewCourseXBeenCreatedX'] = "%s: Un nuevo curso (%s) ha sido creado por %s";
+$strings['XNewUserXSubscribedCourseX'] = "%s: Un nuevo usuario (%s) se ha suscrito a su curso (%s)";
+$strings['XNewCourseSuggestedTeacherX'] = "%s: Un nuevo curso ha sido sugerido por el profesor (%s). Por favor, conéctese a la página de administración para revisarlo";
+$strings['XCourseOpeningRequestCodeXRegistered'] = "%s: Su solicitud de apertura de curso (código %s) ha sido registrada. Será informado cuando ésta sea aprobada";
+$strings['XCourseOpeningRequestCourseCodeXApproved'] = "%s: Su solicitud de apertura de curso para el código de curso %s ha sido aprobada. Conéctese a su portal para usarlo";
+$strings['XRequestOpenCourseCodeXReject'] = "%s: Lamentamos informarle que su solicitud de apertura de curso para el código de curso %s ha sido rechazada";
+$strings['XCourseOpeningRequestCourseCodeX'] = "%s: Su solicitud de apertura de curso para el código de curso %s requiere más información. Compruebe su e-mail para más información";
+$strings['XBeenSubscribedCourseX'] = "%s: Ha sido suscrito al curso %s";
+$strings['XAssignmentBeenCreatedCourseX'] = "%s: Una nueva tarea ha sido creada en el curso %s. Por favor, conéctese para más información";
+$strings['XAccountCreatedUpdatedLoginXPasswordX'] = "%s: Su cuenta ha sido creada o actualizada. Ya puede conectarse como %s, contraseña: %s";
+$strings['XPasswordUpdatedLoginXPasswordX'] = "%s: Su contraseña ha sido actualizada. Ya puede conectarse como %s, contraseña: %s";
+$strings['XRequestedPasswordChange'] = "%s: Ha solicitado un cambio de contraseña. Por favor, compruebe su e-mail para más información";
+$strings['XReceivedNewPersonalMessages'] = "%s: Ha recibido mensajes personales nuevos en su bandeja de entrada o en el foro. Por favor, compruebe su e-mail para más información";
+$strings['XNewUserXPendingApproval'] = "%s: Una inscripción de un nuevo usuario (%s) está pendiente de su aprobación. Por favor, conéctese al panel de administración para revisarla";
+$strings['XXPostedForumXCourseX'] = "%s: %s acaba de escribir en el foro %s del curso %s";
+$strings['XXXCheckEmailConnectMoreInfo'] = "%s: %s: %s. Compruebe su e-mail o conéctese para más información";
+$strings['XXStudentXAnsweredTestX'] = "%s: %s: El estudiante %s acaba de contestar al test %s";
+$strings['XXStudentXAnsweredTestXOpenQuestion'] = "%s: %s: El estudiante %s contestó a la pregunta abierta del test %s. Por favor, conéctese para revisarla";
+$strings['XXStudentXAnsweredTestXVoiceQuestion'] = "%s: %s: El estudiante %s contestó a la pregunta de voz del test %s. Por favor, conéctese para revisarla";
+$strings['XXAnswerOpenQuestionTestXReviewed'] = "%s: %s: Su respuesta a la pregunta abierta en el test %s ha sido revisada.";
+$strings['XXNewThreadXStartedForumX'] = "%s: %s: Se ha comenzado un nuevo hilo (%s) en el foro %s";
+$strings['XXNewAnswerPostedXForumX'] = "%s: %s: Se ha escrito una nueva respuesta a (%s) en el foro %s";
+$strings['XXNewSystemAnnouncementAdded'] = "%s: %s";
+$strings['XTestXNewSystemAnnouncementAdded'] = "%s (prueba): %s";
+$strings['XXSystemAnnouncementUpdate'] = "%s: %s (actualización)";
+$strings['XTestXSystemAnnouncementUpdate'] = "%s (prueba): %s";
+$strings['XUserXUploadedAssignmentXCourseXStudentSubmitsPaper'] = "%s: El usuario %s subió la tarea %s al curso %s";
+$strings['XUserXUploadedAssignmentXCheckXStudentSubmitsPaper'] = "%s: El usuario %s subió la tarea %s. Compruébelo en %s";
+$strings['XUserXUploadedAssignmentXCourseX'] = "%s: El usuario %s subió la tarea %s al curso %s";
+$strings['XUserXUploadedAssignmentXCheckX'] = "%s: El usuario %s subió la tarea %s. Compruébelo en %s";
+$strings['XSubscribedSessionX'] = "%s: Ha sido suscrito a la sesión %s";
+$strings['XSubscribedSessionXCSV'] = "%s: Ha sido suscrito a la sesión %s";
+$strings['XUserXSuggestedBeFriends'] = "%s: El usuario %s le sugirió que podrían ser amigos. Compruebe su bandeja de entrada o su e-mail para más detalles";
+$strings['XUserXAnsweredInboxMessage'] = "%s: El usuario acaba de contestar a su mensaje de la bandeja de entrada";
+$strings['XBeenInvitedJoinGroupX'] = "%s: Ha sido invitado a unirse al grupo %s. Compruebe su bandeja de entrada para más detalles";
+$strings['XMessagesSentEditedGroupXEdited'] = "%s: Hay mensajes enviados o editados en el grupo %s. Compruebe su bandeja de entrada para más detalles";
+$strings['XMessagesSentEditedGroupXAdded'] = "%s: Hay mensajes enviados o editados en el grupo %s. Compruebe su bandeja de entrada para más detalles";
+$strings['XBeenInvitedCompleteSurveyXCourseX'] = "%s: Ha sido invitado a completar la encuesta %s del curso %s";
+$strings['XReminderAssignmentXCourseXDue'] = "%s: Se le recuerda que su tarea (%s) del curso %s aún está pendiente";
+$strings['XUserDetailsModified'] = "%s: Su información de usuario ha sido modificada. Compruebe su e-mail para más información";
diff --git a/plugin/kannelsms/lib/kannelsms.lib.php b/plugin/kannelsms/lib/kannelsms.lib.php
index 047a8140c4..446c5571ae 100644
--- a/plugin/kannelsms/lib/kannelsms.lib.php
+++ b/plugin/kannelsms/lib/kannelsms.lib.php
@@ -22,7 +22,6 @@ class Kannelsms implements SmsPluginLibraryInterface
     /**
      * Constructor (generates a connection to the API)
      * @param   string  Kannelsms API key required to use the plugin
-     * @return  void
      */
     public function __construct($apiKey = null)
     {
@@ -47,7 +46,9 @@ class Kannelsms implements SmsPluginLibraryInterface
     public function getMobilePhoneNumberById($userId)
     {
         $mobilePhoneNumberExtraField = new ExtraField('user');
-        $mobilePhoneNumberExtraField = $mobilePhoneNumberExtraField->get_handler_field_info_by_field_variable('mobile_phone_number');
+        $mobilePhoneNumberExtraField = $mobilePhoneNumberExtraField->get_handler_field_info_by_field_variable(
+            'mobile_phone_number'
+        );
 
         $mobilePhoneNumberExtraFieldValue = new ExtraFieldValue('user');
         $mobilePhoneNumberExtraFieldValue = $mobilePhoneNumberExtraFieldValue->get_values_by_handler_and_field_id(
diff --git a/plugin/kannelsms/lib/kannelsms_plugin.class.php b/plugin/kannelsms/lib/kannelsms_plugin.class.php
index 2681075ced..631f5264b1 100644
--- a/plugin/kannelsms/lib/kannelsms_plugin.class.php
+++ b/plugin/kannelsms/lib/kannelsms_plugin.class.php
@@ -25,7 +25,7 @@ class KannelsmsPlugin extends SmsPlugin
     /**
      * Constructor
      */
-    protected function __construct()
+    public function __construct()
     {
         $fields = array(
             'tool_enable' => 'boolean',