Only show user image if is not anonymous.

main/inc/lib/userportal.lib.php

@@ -166,8 +166,10 @@ class IndexManager
         echo self::return_notice();
     }
 
-    function return_teacher_link() {
+    function return_teacher_link()
+    {
         $html = '';
+        $show_menu = false;
         if (!empty($this->user_id)) {
             // tabs that are deactivated are added here
 
@@ -803,16 +805,37 @@ class IndexManager
         return $html;
     }
 
-    function return_user_image_block() {
-        $img_array = UserManager::get_user_picture_path_by_id(api_get_user_id(), 'web', true, true);
-        $img_array = UserManager::get_picture_user(api_get_user_id(), $img_array['file'], 50, USER_IMAGE_SIZE_MEDIUM, ' width="90" height="90" ');
-        $profile_content = null;
-        if (api_get_setting('allow_social_tool') == 'true') {
-            $profile_content .='<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/social/home.php"><img src="'.$img_array['file'].'"  '.$img_array['style'].' ></a>';
-        } else {
-            $profile_content .='<a style="text-align:center"  href="'.api_get_path(WEB_PATH).'main/auth/profile.php"><img title="'.get_lang('EditProfile').'" src="'.$img_array['file'].'" '.$img_array['style'].'></a>';
+    /**
+     * @return null|string
+     */
+    public function return_user_image_block()
+    {
+        $html = null;
+        if (!api_is_anonymous()) {
+            $img_array = UserManager::get_user_picture_path_by_id(
+                api_get_user_id(),
+                'web', true, true
+            );
+            $img_array = UserManager::get_picture_user(
+                api_get_user_id(),
+                $img_array['file'],
+                50,
+                USER_IMAGE_SIZE_MEDIUM,
+                ' width="90" height="90" '
+            );
+            $profile_content = null;
+            if (api_get_setting('allow_social_tool') == 'true') {
+                $profile_content .= '<a style="text-align:center" href="' . api_get_path(WEB_PATH) . 'main/social/home.php"><img src="' . $img_array['file'] . '"  ' . $img_array['style'] . ' ></a>';
+            } else {
+                $profile_content .= '<a style="text-align:center"  href="' . api_get_path(WEB_PATH) . 'main/auth/profile.php"><img title="' . get_lang('EditProfile') . '" src="' . $img_array['file'] . '" ' . $img_array['style'] . '></a>';
+            }
+            $html = self::show_right_block(
+                null,
+                $profile_content,
+                'user_image_block',
+                array('style' => 'text-align:center;')
+            );
         }
-        $html = self::show_right_block(null, $profile_content, 'user_image_block', array('style' => 'text-align:center;'));
         return $html;
     }