Fixes #6150: `yii\bootstrap\Tabs` dropdown IDs were generated incorrectly

CHANGELOG.md

@@ -5,6 +5,7 @@ Yii Framework 2 bootstrap extension Change Log
 -----------------------
 
 - Bug #5570: `yii\bootstrap\Tabs` would throw an exception if `content` is not set for one of its `items` (RomeroMsk)
+- Bug #6150: `yii\bootstrap\Tabs` dropdown IDs were generated incorrectly (samdark)
 - Enh #4181: Added `yii\bootstrap\Modal::$headerOptions` and `yii\bootstrap\Modal::$footerOptions` (tuxoff, samdark)
 - Enh #4450: Added `yii\bootstrap\Nav::renderDropdown()` (qiangxue)
 - Enh #5735: Added `yii\bootstrap\Tabs::renderTabContent` to support manually rendering tab contents (RomeroMsk)

Tabs.php

@@ -154,7 +154,7 @@ class Tabs extends Widget
                 $label .= ' <b class="caret"></b>';
                 Html::addCssClass($headerOptions, 'dropdown');
 
-                if ($this->renderDropdown($item['items'], $panes)) {
+                if ($this->renderDropdown($n, $item['items'], $panes)) {
                     Html::addCssClass($headerOptions, 'active');
                 }
 
@@ -202,12 +202,13 @@ class Tabs extends Widget
     /**
      * Normalizes dropdown item options by removing tab specific keys `content` and `contentOptions`, and also
      * configure `panes` accordingly.
+     * @param string $itemNumber number of the item
      * @param array $items the dropdown items configuration.
      * @param array $panes the panes reference array.
      * @return boolean whether any of the dropdown items is `active` or not.
      * @throws InvalidConfigException
      */
-    protected function renderDropdown(&$items, &$panes)
+    protected function renderDropdown($itemNumber, &$items, &$panes)
     {
         $itemActive = false;
 
@@ -228,7 +229,7 @@ class Tabs extends Widget
                 $itemActive = true;
             }
 
-            $options['id'] = ArrayHelper::getValue($options, 'id', $this->options['id'] . '-dd-tab' . $n);
+            $options['id'] = ArrayHelper::getValue($options, 'id', $this->options['id'] . '-dd' . $itemNumber . '-tab' . $n);
             $item['url'] = '#' . $options['id'];
             $item['linkOptions']['data-toggle'] = 'tab';