Merge "Introduce InterwikiLookupAdapter on top of SiteLookup"

[lhc/web/wiklou.git] / includes / htmlform / HTMLFormField.php

diff --git a/includes/htmlform/HTMLFormField.php b/includes/htmlform/HTMLFormField.php
index 25b4cca..4afdea7 100644 (file)
--- a/includes/htmlform/HTMLFormField.php
+++ b/includes/htmlform/HTMLFormField.php
@@ -602,7 +602,7 @@ abstract class HTMLFormField {
                }
 
                $fieldType = get_class( $this );
-               $helpText = $this->getHelpText();
+               $help = $this->getHelpText();
                $errors = $this->getErrorsRaw( $value );
                foreach ( $errors as &$error ) {
                        $error = new OOUI\HtmlSnippet( $error );
@@ -616,7 +616,7 @@ abstract class HTMLFormField {
                $config = [
                        'classes' => [ "mw-htmlform-field-$fieldType", $this->mClass ],
                        'align' => $this->getLabelAlignOOUI(),
-                       'help' => $helpText !== null ? new OOUI\HtmlSnippet( $helpText ) : null,
+                       'help' => ( $help !== null && $help !== '' ) ? new OOUI\HtmlSnippet( $help ) : null,
                        'errors' => $errors,
                        'notices' => $notices,
                        'infusable' => $infusable,
@@ -821,7 +821,7 @@ abstract class HTMLFormField {
        /**
         * Determine the help text to display
         * @since 1.20
-        * @return string HTML
+        * @return string|null HTML
         */
        public function getHelpText() {
                $helptext = null;