X-Git-Url: https://git.cyclocoop.org/%27.WWW_URL.%27admin/?a=blobdiff_plain;f=includes%2FWebResponse.php;h=f5fb47fc5bbca1bcd34fb7866a61c8ae1a2976bc;hb=c78d1c842f7d4306cc20ffe4123e50fcf341fe76;hp=90b76e33276a6bca71fdee34e9050c59a354b7b3;hpb=7dd1914e734ccd7c2842bb2e18bf4866a4ecbf63;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/WebResponse.php b/includes/WebResponse.php
index 90b76e3327..f5fb47fc5b 100644
--- a/includes/WebResponse.php
+++ b/includes/WebResponse.php
@@ -39,7 +39,14 @@ class WebResponse {
 	 * @param null|int $http_response_code Forces the HTTP response code to the specified value.
 	 */
 	public function header( $string, $replace = true, $http_response_code = null ) {
-		header( $string, $replace, $http_response_code );
+		if ( headers_sent() ) {
+			MWDebug::warning( 'Headers already sent, should send headers earlier than ' . wfGetCaller() );
+		}
+		if ( $http_response_code ) {
+			header( $string, $replace, $http_response_code );
+		} else {
+			header( $string, $replace );
+		}
 	}
 
 	/**