Trigger garbage collection in FileCache

close #8569

framework/CHANGELOG.md

@@ -14,6 +14,7 @@ Yii Framework 2 Change Log
 - Bug #8544: Fixed `yii\db\ActiveRecord` does not updates attribute specified at `optimisticLock()` after save (klimov-paul)
 - Bug: Fixed string comparison in `BaseActiveRecord::unlink()` which may result in wrong comparison result for hash valued primary keys starting with `0e` (cebe)
 - Bug: Pass correct action name to `yii\console\Controller::options()` when default action was requested (cebe)
+- Bug: Automatic garbage collection in `yii\caching\FileCache` was not triggered (kidol)
 - Enh #6043: Specification for 'class' and 'style' in array format added to `yii\helpers\Html` (klimov-paul)
 - Enh #7169: `yii\widgets\ActiveField` now uses corresponding methods for default parts rendering (klimov-paul)
 - Enh #8070: `yii\console\controllers\MessageController` now sorts created messages, even if there is no new one, while saving to PHP file (klimov-paul)

framework/caching/FileCache.php

@@ -125,6 +125,7 @@ class FileCache extends Cache
      */
     protected function setValue($key, $value, $duration)
     {
+        $this->gc();
         $cacheFile = $this->getCacheFile($key);
         if ($this->directoryLevel > 0) {
             @FileHelper::createDirectory(dirname($cacheFile), $this->dirMode, true);