From 2bfff835f1d567016174ddddb4253856a9af6f0d Mon Sep 17 00:00:00 2001
From: Markus Staab <markus.staab@redaxo.de>
Date: Sun, 9 Feb 2014 14:11:49 +0100
Subject: [PATCH] Rely on ReadInterface contract for getSize().

The return type in the cache impl was fixed recently, therefore we can rely on the contract
---
 src/Filesystem.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Filesystem.php b/src/Filesystem.php
index 24863c66f..9f997d114 100644
--- a/src/Filesystem.php
+++ b/src/Filesystem.php
@@ -526,7 +526,7 @@ public function getSize($path)
         $path = Util::normalizePath($path);
         $cached = $this->cache->getSize($path);
 
-        if (is_int($cached)) {
+        if ($cached !== false) {
             return $cached;
         }