Merge branch 'final' into final

Author: Geolim4

src/phpFastCache/Drivers/Files/Driver.php

@@ -138,6 +138,10 @@ protected function driverDelete(CacheItemInterface $item)
         if ($item instanceof Item) {
             $file_path = $this->getFilePath($item->getKey(), true);
             if (file_exists($file_path) && @unlink($file_path)) {
+                $dir = dirname($file_path);
+                if (!(new \FilesystemIterator($dir))->valid()) {
+                    rmdir($dir);
+                }
                 return true;
             } else {
                 return false;
@@ -236,4 +240,4 @@ public function getStats()
 
         return $stat;
     }
-}
+}

src/phpFastCache/Drivers/Mongodb/Driver.php

@@ -30,14 +30,10 @@
 /**
  * Class Driver
  * @package phpFastCache\Drivers
+ * @property MongodbClient $instance Instance of driver service
  */
 class Driver extends DriverAbstract
 {
-    /**
-     * @var MongodbClient
-     */
-    public $instance;
-
     /**
      * Driver constructor.
      * @param array $config
@@ -59,12 +55,7 @@ public function __construct(array $config = [])
      */
     public function driverCheck()
     {
-        if(class_exists('MongoDB\Driver\Manager')){
-            trigger_error('PhpFastCache currently only support the pecl Mongo extension.<br />
-            The Support for the MongoDB extension will be added coming soon.', E_USER_ERROR);
-        }
-
-        return extension_loaded('Mongodb') && class_exists('MongoClient');
+        return class_exists('MongoClient');
     }
 
     /**
@@ -220,4 +211,4 @@ public function getStats()
 
         return $stats;
     }
-}
+}