$message = self::getMessage( $code );
if ( $message === null ) {
trigger_error( "Unknown HTTP status code $code", E_USER_WARNING );
- return false;
+ return;
}
+ MediaWiki\HeaderCallback::warnIfHeadersSent();
if ( $version === null ) {
$version = isset( $_SERVER['SERVER_PROTOCOL'] ) &&
$_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.0' ?