From 67585d6fe1561dcee979fc9315d03b2ec9bd7384 Mon Sep 17 00:00:00 2001
From: mark_story <mark@mark-story.com>
Date: Sun, 9 Aug 2015 16:00:44 -0400
Subject: [PATCH] Data must be serialized before being written

Data is unserialized by redis engine on read, so we have to serialized
on write.
---
 lib/Cake/Cache/Engine/RedisEngine.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Cake/Cache/Engine/RedisEngine.php b/lib/Cake/Cache/Engine/RedisEngine.php
index bf735d26a..b8bdd4c0d 100644
--- a/lib/Cake/Cache/Engine/RedisEngine.php
+++ b/lib/Cake/Cache/Engine/RedisEngine.php
@@ -239,6 +239,10 @@ class RedisEngine extends CacheEngine {
  * @link https://github.com/phpredis/phpredis#setnx
  */
 	public function add($key, $value, $duration) {
+		if (!is_int($value)) {
+			$value = serialize($value);
+		}
+
 		$result = $this->_Redis->setnx($key, $value);
 		// setnx() doesn't have an expiry option, so overwrite the key with one
 		if ($result) {