From: Platonides <platonides@users.mediawiki.org>
Date: Tue, 15 Mar 2011 22:22:57 +0000 (+0000)
Subject: (Bug 28069) MediaWiki fails streaming files when mod_deflate and ob_gzhandler are... 
X-Git-Tag: 1.31.0-rc.0~31379
X-Git-Url: http://git.cyclocoop.org/%28%5B%5E/404?a=commitdiff_plain;h=36781c5b4ca7059457fd7f536f655cbb07df5139;p=lhc%2Fweb%2Fwiklou.git

(Bug 28069) MediaWiki fails streaming files when mod_deflate and ob_gzhandler are also set
gzipped content with header: "Content-Encoding: , gzip"
---

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index bdb18b8496..e07b5e14ba 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -1599,7 +1599,13 @@ function wfResetOutputBuffers( $resetGzipEncoding = true ) {
 			if( $status['name'] == 'ob_gzhandler' ) {
 				// Reset the 'Content-Encoding' field set by this handler
 				// so we can start fresh.
-				header( 'Content-Encoding:' );
+				if ( function_exists( 'header_remove' ) ) {
+					// Available since PHP 5.3.0
+					header_remove( 'Content-Encoding' );
+				} else {
+					// We need to provide a valid content-coding. See bug 28069
+					header( 'Content-Encoding: identity' );
+				}
 				break;
 			}
 		}