Do not try to parse empty argument in getErrorsOrWarnings in OOUI

Bug: T167644
Change-Id: I0dcb9bd51ad0cecbdab868fed056b4077d1c9fa8

diff --git a/includes/htmlform/OOUIHTMLForm.php b/includes/htmlform/OOUIHTMLForm.php
index 6650321..ed99802 100644 (file)
--- a/includes/htmlform/OOUIHTMLForm.php
+++ b/includes/htmlform/OOUIHTMLForm.php
@@ -191,6 +191,10 @@ class OOUIHTMLForm extends HTMLForm {
         * @return string
         */
        public function getErrorsOrWarnings( $elements, $elementsType ) {
+               if ( $elements === '' ) {
+                       return '';
+               }
+
                if ( !in_array( $elementsType, [ 'error', 'warning' ], true ) ) {
                        throw new DomainException( $elementsType . ' is not a valid type.' );
                }