From c6a8e42bdbbb814124b84d45d95cd793129aac6b Mon Sep 17 00:00:00 2001
From: Christoph Michael Becker <cmb@php.net>
Date: Thu, 13 Aug 2020 10:08:41 +0000
Subject: [PATCH] Fix #54639: output_add_rewrite_var can only be used once

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@350300 c90b9560-bf6c-de11-be94-00142212c4b1
---
 reference/outcontrol/functions/output-add-rewrite-var.xml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/reference/outcontrol/functions/output-add-rewrite-var.xml b/reference/outcontrol/functions/output-add-rewrite-var.xml
index 59d0594b76..63bb40d3a7 100644
--- a/reference/outcontrol/functions/output-add-rewrite-var.xml
+++ b/reference/outcontrol/functions/output-add-rewrite-var.xml
@@ -26,6 +26,9 @@
     <link linkend="ini.url-rewriter.hosts">url_rewriter.hosts</link> &php.ini;
    parameters.
   </para>
+  <para>
+   Note that this function can be successfully called at most once per request.
+  </para>
   <note>
    <simpara>
     Calling this function will implicitly start output buffering if it is