Follow 308 Permanent Redirect responses.

Fixes bug #67430 (http:// wrapper doesn't follow 308 redirects).

NEWS

@@ -10,6 +10,9 @@ PHP                                                                        NEWS
   . Implemented FR #67429 (CLI server is missing some new HTTP response codes).
     (Adam)
 
+- Streams:
+  . Fixed bug #67430 (http:// wrapper doesn't follow 308 redirects). (Adam)
+
 ?? ??? 2014, PHP 5.4.30
 
 - Core:

ext/standard/http_fopen_wrapper.c

@@ -736,10 +736,11 @@ finish:
 					SEPARATE_ZVAL(tmpzval);
 					convert_to_long_ex(tmpzval);
 					follow_location = Z_LVAL_PP(tmpzval);
-				} else if (!(response_code >= 300 && response_code < 304 || 307 == response_code)) { 
+				} else if (!(response_code >= 300 && response_code < 304 || 307 == response_code || 308 == response_code)) {
 					/* we shouldn't redirect automatically
 					if follow_location isn't set and response_code not in (300, 301, 302, 303 and 307) 
-					see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1 */
+					see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1
+					RFC 7238 defines 308: http://tools.ietf.org/html/rfc7238 */
 					follow_location = 0;
 				}
 				strlcpy(location, http_header_line + 10, sizeof(location));

ext/standard/tests/http/bug67430.phpt

@@ -0,0 +1,49 @@
+--TEST--
+Bug #67430 (http:// wrapper doesn't follow 308 redirects)
+--INI--
+allow_url_fopen=1
+--SKIPIF--
+<?php require 'server.inc'; http_server_skipif('tcp://127.0.0.1:12342'); ?>
+--FILE--
+<?php
+require 'server.inc';
+
+function do_test($follow) {
+  $options = [
+    'http' => [
+      'method' => 'POST',
+      'follow_location' => $follow,
+    ],
+  ];
+
+  $ctx = stream_context_create($options);
+
+  $responses = [
+    "data://text/plain,HTTP/1.1 308\r\nLocation: /foo\r\n\r\n",
+    "data://text/plain,HTTP/1.1 200\r\nConnection: close\r\n\r\n",
+  ];
+  $pid = http_server('tcp://127.0.0.1:12342', $responses, $output);
+
+  $fd = fopen('http://127.0.0.1:12342/', 'rb', false, $ctx);
+  fseek($output, 0, SEEK_SET);
+  echo stream_get_contents($output);
+
+  http_server_kill($pid);
+}
+
+do_test(true);
+do_test(false);
+
+?>
+Done
+--EXPECT--
+POST / HTTP/1.0
+Host: 127.0.0.1:12342
+
+GET /foo HTTP/1.0
+Host: 127.0.0.1:12342
+
+POST / HTTP/1.0
+Host: 127.0.0.1:12342
+
+Done