From 91acfa2b5026b107eac357f63c9b415f08fd39a9 Mon Sep 17 00:00:00 2001
From: Simey Lameze <simey@moodle.com>
Date: Tue, 31 May 2022 13:20:56 +0800
Subject: [PATCH] MDL-74886 core_admin: cast value and unit to integer

---
 lib/adminlib.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/adminlib.php b/lib/adminlib.php
index 65c04420d3d..0c0e2e96f9b 100644
--- a/lib/adminlib.php
+++ b/lib/adminlib.php
@@ -4010,7 +4010,9 @@ class admin_setting_configduration extends admin_setting {
             return '';
         }
 
-        $seconds = (int)($data['v']*$data['u']);
+        $unit = (int)$data['u'];
+        $value = (int)$data['v'];
+        $seconds = $value * $unit;
 
         // Validate the new setting.
         $error = $this->validate_setting($seconds);