Created method "Create Folder" in ModuleInstaller

Author: lijkbezorger

src/components/ModuleInstaller.php

@@ -10,6 +10,7 @@
 use yii\db\Connection;
 use yii\db\Schema;
 use yii\di\Instance;
+use yii\helpers\FileHelper;
 
 /**
  * @property string $moduleId
@@ -259,6 +260,11 @@ protected function createFile($alias, $override = true)
         touch($path);
     }
 
+    protected function createFolder($alias, $mode = 0775)
+    {
+        FileHelper::createDirectory(Yii::getAlias($alias), $mode);
+    }
+
     protected function deleteFile($alias)
     {
         $path = \Yii::getAlias($alias);