[Finder] no PHP warning on empty directory iteration

ggottwald · fabpot · commit 695e3412587b · 2016-09-14T14:03:47.000-07:00
diff --git a/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php b/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
@@ -137,6 +137,10 @@ public function isRewindable()
             return $this->rewindable;
         }
 
+        if ('' === $this->getPath()) {
+            return $this->rewindable = false;
+        }
+
         if (false !== $stream = @opendir($this->getPath())) {
             $infos = stream_get_meta_data($stream);
             closedir($stream);
