Privacy: Add "no data" entry where needs be

main/social/personal_data.php

@@ -251,8 +251,12 @@ foreach ($properties as $key => $value) {
         switch ($key) {
             case 'extraFields':
                 $personalDataContent .= '<li>'.$key.': </li><ul>';
-                foreach ($value as $subValue) {
-                    $personalDataContent .= '<li>'.$subValue->variable.': '.$subValue->value.'</li>';
+                if (empty($value)) {
+                    $personalDataContent .= '<li>'.get_lang('NoData').'</li>';
+                } else {
+                    foreach ($value as $subValue) {
+                        $personalDataContent .= '<li>'.$subValue->variable.': '.$subValue->value.'</li>';
+                    }
                 }
                 $personalDataContent .= '</ul>';
                 break;
@@ -261,15 +265,19 @@ foreach ($properties as $key => $value) {
                     $personalDataContent .= '<li class="advanced_options" id="personal-data-list-'.$category.'">';
                     $personalDataContent .= '<u>'.get_lang($category).'</u> &gt;</li>';
                     $personalDataContent .= '<ul id="personal-data-list-'.$category.'_options" style="display:none;">';
-                    foreach ($subValue as $subSubValue) {
-                        if ($category === 'DocumentsAdded') {
-                            $documentLink = Display::url(
-                                $subSubValue->code_path,
-                                $webCoursePath.$subSubValue->directory.'/document'.$subSubValue->path
-                            );
-                            $personalDataContent .= '<li>'.$documentLink.'</li>';
-                        } else {
-                            $personalDataContent .= '<li>'.$subSubValue.'</li>';
+                    if (empty($subValue)) {
+                        $personalDataContent .= '<li>'.get_lang('NoData').'</li>';
+                    } else {
+                        foreach ($subValue as $subSubValue) {
+                            if ($category === 'DocumentsAdded') {
+                                $documentLink = Display::url(
+                                    $subSubValue->code_path,
+                                    $webCoursePath.$subSubValue->directory.'/document'.$subSubValue->path
+                                );
+                                $personalDataContent .= '<li>'.$documentLink.'</li>';
+                            } else {
+                                $personalDataContent .= '<li>'.$subSubValue.'</li>';
+                            }
                         }
                     }
                     $personalDataContent .= '</ul>';
@@ -285,8 +293,12 @@ foreach ($properties as $key => $value) {
             case 'groupNames':
             case 'groups':
                 $personalDataContent .= '<li>'.$key.': </li><ul>';
-                foreach ($value as $subValue) {
-                    $personalDataContent .= '<li>'.$subValue.'</li>';
+                if (empty($subValue)) {
+                    $personalDataContent .= '<li>'.get_lang('NoData').'</li>';
+                } else {
+                    foreach ($value as $subValue) {
+                        $personalDataContent .= '<li>'.$subValue.'</li>';
+                    }
                 }
                 $personalDataContent .= '</ul>';
                 break;
@@ -294,8 +306,12 @@ foreach ($properties as $key => $value) {
                 $personalDataContent .= '<li>'.$key.': </li><ul>';
                 foreach ($value as $session => $courseList) {
                     $personalDataContent .= '<li>'.$session.'<ul>';
-                    foreach ($courseList as $course) {
-                        $personalDataContent .= '<li>'.$course.'</li>';
+                    if (empty($courseList)) {
+                        $personalDataContent .= '<li>'.get_lang('NoData').'</li>';
+                    } else {
+                        foreach ($courseList as $course) {
+                            $personalDataContent .= '<li>'.$course.'</li>';
+                        }
                     }
                     $personalDataContent .= '</ul>';
                 }