Do not return null from MemCache session handler.

- Improves PHP 7 compatibility.

Do not return null from MemCache session handler.
- Improves PHP 7 compatibility.
49c3febd · Cloud8 · Demian Katz · 0940e105 · 49c3febd
Commit 49c3febd authored 7 years ago by Cloud8 Committed by Demian Katz 7 years ago
--- a/module/VuFind/src/VuFind/Session/Memcache.php
+++ b/module/VuFind/src/VuFind/Session/Memcache.php
@@ -86,7 +86,8 @@ class Memcache extends AbstractBase
     */
    public function read($sess_id)
    {
-        return $this->getConnection()->get("vufind_sessions/{$sess_id}");
+        $value = $this->getConnection()->get("vufind_sessions/{$sess_id}");
+        return empty($value) ? '' : $value;
    }

    /**