From da605080713c34122c0f765aaafcbffdaf451bc4 Mon Sep 17 00:00:00 2001
From: Paul Holden <paulh@moodle.com>
Date: Tue, 24 May 2022 21:17:17 +0100
Subject: [PATCH] MDL-74790 mod_resource: better detection of empty module
 intro.

---
 mod/resource/locallib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mod/resource/locallib.php b/mod/resource/locallib.php
index f90bcceca28..77c60d3d322 100644
--- a/mod/resource/locallib.php
+++ b/mod/resource/locallib.php
@@ -431,7 +431,7 @@ function resource_print_intro($resource, $cm, $course, $ignoresettings=false) {
     }
 
     if ($ignoresettings || !empty($options['printintro']) || $extraintro) {
-        $gotintro = trim(strip_tags($resource->intro));
+        $gotintro = !html_is_blank($resource->intro);
         if ($gotintro || $extraintro) {
             echo $OUTPUT->box_start('mod_introbox', 'resourceintro');
             if ($gotintro) {