From 47d3e4217b09c6ab9f5ef6a1d52e2802982af0f5 Mon Sep 17 00:00:00 2001
From: Marina Glancy <marina@moodle.com>
Date: Wed, 16 Nov 2022 16:50:47 +0100
Subject: [PATCH] MDL-76333 libraries: patch Bennu library for PHP 8.1
 compatibility

---
 lib/bennu/bennu.class.php   | 4 ++--
 lib/bennu/readme_moodle.txt | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/bennu/bennu.class.php b/lib/bennu/bennu.class.php
index d5c7f414b54..64d59544e8f 100644
--- a/lib/bennu/bennu.class.php
+++ b/lib/bennu/bennu.class.php
@@ -17,14 +17,14 @@ class Bennu {
         if($t === NULL) {
             $t = time();
         }
-        return gmstrftime('%Y%m%dT%H%M%SZ', $t);
+        return gmdate("Ymd\\THis\\Z", $t);
     }
 
     static function timestamp_to_date($t = NULL) {
         if ($t === NULL) {
             $t = time();
         }
-        return gmstrftime('%Y%m%d', $t);
+        return gmdate('Ymd', $t);
     }
 
     static function generate_guid() {
diff --git a/lib/bennu/readme_moodle.txt b/lib/bennu/readme_moodle.txt
index 6c8cd0598bf..bd935b85b8e 100644
--- a/lib/bennu/readme_moodle.txt
+++ b/lib/bennu/readme_moodle.txt
@@ -29,3 +29,4 @@ Changelog
 10/ MDL-62914: added handling for TZURL property (13 July 2018)
 11/ MDL-67029: replace curly by square brackets for string offsets. PHP 7.4 compatibility (25 Oct 2019)
 12/ MDL-74866: fixed parameter parsing if the value is wrapped by DQUOTE character (28 Jul 2022)
+13/ MDL-76333: replaced strftime() with date() for PHP 8.1 compatibility (16 Nov 2022)