Minor - format code, use INNER JOIN

main/announcements/announcements.php

@@ -41,7 +41,6 @@ $allowToEdit = (
 
 $sessionId = api_get_session_id();
 $drhHasAccessToSessionContent = api_drh_can_access_all_session_content();
-
 if (!empty($sessionId) && $drhHasAccessToSessionContent) {
     $allowToEdit = $allowToEdit || api_is_drh();
 }
@@ -66,12 +65,12 @@ $isTutor = false;
 if (!empty($group_id)) {
     $groupProperties = GroupManager:: get_group_properties($group_id);
     $interbreadcrumb[] = [
-        "url" => api_get_path(WEB_CODE_PATH)."group/group.php?".api_get_cidreq(),
-        "name" => get_lang('Groups'),
+        'url' => api_get_path(WEB_CODE_PATH)."group/group.php?".api_get_cidreq(),
+        'name' => get_lang('Groups'),
     ];
     $interbreadcrumb[] = [
-        "url" => api_get_path(WEB_CODE_PATH)."group/group_space.php?".api_get_cidreq(),
-        "name" => get_lang('GroupSpace').' '.$groupProperties['name'],
+        'url' => api_get_path(WEB_CODE_PATH)."group/group_space.php?".api_get_cidreq(),
+        'name' => get_lang('GroupSpace').' '.$groupProperties['name'],
     ];
 
     if ($allowToEdit === false) {
@@ -86,7 +85,7 @@ if (!empty($group_id)) {
 /* Tracking */
 Event::event_access_tool(TOOL_ANNOUNCEMENT);
 
-$announcement_id = isset($_GET['id']) ? intval($_GET['id']) : null;
+$announcement_id = isset($_GET['id']) ? (int) $_GET['id'] : null;
 $action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : 'list';
 $announcement_number = AnnouncementManager::getNumberAnnouncements();
 
@@ -118,8 +117,9 @@ switch ($action) {
 
             $announcementInfo = AnnouncementManager::get_by_id($courseId, $thisAnnouncementId);
             $sql = "SELECT DISTINCT announcement.id, announcement.display_order
-                    FROM $tbl_announcement announcement,
-                    $tbl_item_property itemproperty
+                    FROM $tbl_announcement announcement 
+                    INNER JOIN $tbl_item_property itemproperty
+                    ON (announcement.c_id = itemproperty.c_id)
                     WHERE
                         announcement.c_id = $courseId AND
                         itemproperty.c_id = $courseId AND
@@ -555,7 +555,8 @@ switch ($action) {
                 if (!isset($parts[1]) || empty($parts[1])) {
                     continue;
                 }
-                $form->addHtml("
+                $form->addHtml(
+                    "
                     <script>
                         $(document).on('ready', function () {
                             $('#choose_recipients').click();