Fixes #10309: Extracted `yii\web\UrlManager` rule cache key into `$cacheKey` protected property

framework/CHANGELOG.md

@@ -211,6 +211,7 @@ Yii Framework 2 Change Log
 - Enh #10255: Added Yii warning to session initialization if session was already started (AnatolyRugalev)
 - Enh #10264: Generation of HTML tags in Yii's JavaScript now uses jQuery style (silverfire)
 - Enh #10267: `yii.js` - added original event passing to `pjaxOptions` for links with `data-method` and `data-pjax` (servocoder, silverfire)
+- Enh #10309: Extracted `yii\web\UrlManager` rule cache key into `$cacheKey` protected property (lordthorzonus)
 - Enh #10319: `yii\helpers\VarDumper::dump()` now respects PHP magic method `__debugInfo()` (klimov-paul)
 - Enh #10359: Support wildcard category name in `yii/console/controllers/MessageController` (rmrevin)
 - Enh #10390: Added ability to disable outer tag for `\yii\helpers\BaseHtml::radiolist()`, `::checkboxList()` (TianJinRong, githubjeka, silverfire)

framework/web/UrlManager.php

@@ -126,6 +126,12 @@ class UrlManager extends Component
      */
     public $ruleConfig = ['class' => 'yii\web\UrlRule'];
 
+    /**
+     * @var string the cache key for cached rules
+     * @since 2.0.8
+     */
+    protected $cacheKey = __CLASS__;
+
     private $_baseUrl;
     private $_scriptUrl;
     private $_hostInfo;
@@ -146,7 +152,7 @@ class UrlManager extends Component
             $this->cache = Yii::$app->get($this->cache, false);
         }
         if ($this->cache instanceof Cache) {
-            $cacheKey = __CLASS__;
+            $cacheKey = $this->cacheKey;
             $hash = md5(json_encode($this->rules));
             if (($data = $this->cache->get($cacheKey)) !== false && isset($data[1]) && $data[1] === $hash) {
                 $this->rules = $data[0];