Fixes #12713: Fixed `yii\caching\FileDependency` to clear stat cache before reading filemtime

framework/CHANGELOG.md

@@ -131,6 +131,7 @@ Yii Framework 2 Change Log
 - Bug #12605: Make 'safe' validator work on write-only properties (arthibald, CeBe)
 - Bug #12629: Fixed `yii\widgets\ActiveField::widget()` to call `adjustLabelFor()` for `InputWidget` descendants (coderlex)
 - Bug #12649: Fixed consistency of `indexBy` handling for `yii\db\Query::column()` (silverfire)
+- Bug #12713: Fixed `yii\caching\FileDependency` to clear stat cache before reading filemtime (SG5)
 - Enh #384: Added ability to run migration from several locations via `yii\console\controllers\BaseMigrateController::$migrationNamespaces` (klimov-paul)
 - Enh #6996: Added `yii\web\MultipartFormDataParser`, which allows proper processing of 'multipart/form-data' encoded non POST requests (klimov-paul)
 - Enh #8719: Add support for HTML5 attributes on submitbutton (formaction/formmethod...) for ActiveForm (VirtualRJ)

framework/caching/FileDependency.php

@@ -43,6 +43,8 @@ class FileDependency extends Dependency
             throw new InvalidConfigException('FileDependency::fileName must be set');
         }
 
-        return @filemtime(Yii::getAlias($this->fileName));
+        $fileName = Yii::getAlias($this->fileName);
+        clearstatcache(false, $fileName);
+        return @filemtime($fileName);
     }
 }