API bug 10046: incorrect action produces invalid response format

[lhc/web/wiklou.git] / includes / Metadata.php

diff --git a/includes/Metadata.php b/includes/Metadata.php
index 24522cf..b995b22 100644 (file)
--- a/includes/Metadata.php
+++ b/includes/Metadata.php
@@ -73,9 +73,9 @@ function wfCreativeCommonsRdf($article) {
 function rdfSetup() {
        global $wgOut, $_SERVER;
 
-       $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : '';
+       $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : null;
 
-       $rdftype = wfNegotiateType(wfAcceptToPrefs($_SERVER['HTTP_ACCEPT']), wfAcceptToPrefs(RDF_TYPE_PREFS));
+       $rdftype = wfNegotiateType(wfAcceptToPrefs($httpaccept), wfAcceptToPrefs(RDF_TYPE_PREFS));
 
        if (!$rdftype) {
                wfHttpError(406, "Not Acceptable", wfMsg("notacceptable"));