From 06bfada99bcff9bd2e3a5e959effa2237c07939b Mon Sep 17 00:00:00 2001
From: "Christoph M. Becker" <cmbecker69@gmx.de>
Date: Fri, 19 Mar 2021 14:47:49 +0100
Subject: Fix #80889: Cannot set save handler when save_handler is invalid

There is no need to require a (valid) save_handler to be set, when a
user handler is supposed to be set.  We just have to make sure, that
no user handler is already set in this case.

Closes GH-6788.
---
 ext/session/tests/bug80889.phpt | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 ext/session/tests/bug80889.phpt

(limited to 'ext/session/tests')

diff --git a/ext/session/tests/bug80889.phpt b/ext/session/tests/bug80889.phpt
new file mode 100644
index 0000000000..78e1a6ab64
--- /dev/null
+++ b/ext/session/tests/bug80889.phpt
@@ -0,0 +1,37 @@
+--TEST--
+Bug #80889 (Cannot set save handler when save_handler is invalid)
+--SKIPIF--
+<?php include('skipif.inc'); ?>
+--INI--
+session.save_handler=whatever
+--FILE--
+<?php
+class DummyHandler implements SessionHandlerInterface {
+    public function open($savePath, $sessionName) {
+        return true;
+    }
+    public function close() {
+        return true;
+    }
+    public function read($id) {
+        return '';
+    }
+    public function write($id, $data) {
+        return true;
+    }
+    public function destroy($id) {
+        return true;
+    }
+    public function gc($maxlifetime) {
+        return true;
+    }
+}
+
+$initHandler = ini_get('session.save_handler');
+session_set_save_handler(new DummyHandler());
+$setHandler = ini_get('session.save_handler');
+var_dump($initHandler, $setHandler);
+?>
+--EXPECT--
+string(8) "whatever"
+string(4) "user"
-- 
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