From 4835d3d6027525476fab0e4145214a99f32f9a74 Mon Sep 17 00:00:00 2001
From: Marc Bennewitz <marc@mabe.berlin>
Date: Mon, 22 Dec 2014 09:06:32 +0100
Subject: [PATCH] Cache: fixed CAS-Feature broken for APC adapter since 2.3.0

---
 src/Storage/Adapter/Apc.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Storage/Adapter/Apc.php b/src/Storage/Adapter/Apc.php
index c2336e9..6d69174 100644
--- a/src/Storage/Adapter/Apc.php
+++ b/src/Storage/Adapter/Apc.php
@@ -746,6 +746,10 @@ protected function normalizeMetadata(array & $metadata)
      */
     protected function internalCheckAndSetItem(& $token, & $normalizedKey, & $value)
     {
-        return apc_cas($normalizedKey, $token, $value);
+        if (is_int($token) && is_int($value)) {
+            return apc_cas($normalizedKey, $token, $value);
+        }
+
+        return parent::internalCheckAndSetItem($token, $normalizedKey, $value);
     }
 }