Resolve "MemcachedCache übergibt Werte nicht serialisiert"

Closes #4768

Merge request !3554

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/classes/StudipMemcachedCache.php b/lib/classes/StudipMemcachedCache.php
index 0e44dd5..57ffa7b 100644
--- a/lib/classes/StudipMemcachedCache.php
+++ b/lib/classes/StudipMemcachedCache.php
@@ -95,7 +95,9 @@ class StudipMemcachedCache implements StudipCache
     public function read($arg)
     {
         $key = $this->getCacheKey($arg);
-        return $this->memcache->get($key);
+        $result = $this->memcache->get($key);
+
+        return ($result === null) ? null : unserialize($result);
     }
 
     /**
@@ -111,7 +113,7 @@ class StudipMemcachedCache implements StudipCache
     public function write($arg, $content, $expire = self::DEFAULT_EXPIRATION)
     {
         $key = $this->getCacheKey($arg);
-        return $this->memcache->set($key, $content, $expire);
+        return $this->memcache->set($key, serialize($content), $expire);
     }
 
     /**