From 8a4171ac457c048e1b05b2d9fc9b74f4816272a0 Mon Sep 17 00:00:00 2001
From: Nikita Popov <nikita.ppv@gmail.com>
Date: Thu, 8 Aug 2019 10:12:16 +0200
Subject: [PATCH] Add UPGRADING note about stream_set_option() and includes

[ci skip]
---
 UPGRADING | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/UPGRADING b/UPGRADING
index 9048c4cd17..46d92f8115 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -38,6 +38,10 @@ PHP 7.4 UPGRADE NOTES
     interpreted as an opening PHP tag. Previously it was interpreted either as
     `<? php` and resulted in a syntax error (with short_open_tag=1) or was
     interpreted as a literal `<?php` string (with short_open_tag=0).
+  . When using include/require on a stream, stream_set_option() will be invoked
+    with the STREAM_OPTION_READ_BUFFER option. Custom stream wrapper
+    implementations may need to implement the stream_set_option() method to
+    avoid a warning (always returning false is a sufficient implementation).
 
 - BCMath:
   . BCMath functions will now warn if a non well-formed number is passed, such
-- 
2.40.0