Support a heading of '0' in Html::messageBox()

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

diff --git a/includes/Html.php b/includes/Html.php
index 32375c1..dba4c67 100644 (file)
--- a/includes/Html.php
+++ b/includes/Html.php
@@ -704,7 +704,7 @@ class Html {
         * @return string of HTML representing a box.
         */
        private static function messageBox( $html, $className, $heading = '' ) {
-               if ( $heading ) {
+               if ( $heading !== '' ) {
                        $html = self::element( 'h2', [], $heading ) . $html;
                }
                return self::rawElement( 'div', [ 'class' => $className ], $html );