Merge branch 'hotfix/zendframework/zendframework#7065-cas-apc-support…

…-for-integers-in-cache' into develop

Close zendframework/zendframework#7065
Forward port zendframework/zendframework#7065

src/Storage/Adapter/Apc.php

@@ -745,6 +745,10 @@ 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);
     }
 }