(CORE) - progression of un-seralization 2

include/class_session.inc

@@ -57,7 +57,7 @@ class session
   public static function set ($name, $value)
   {
     if ($name === 'config') {
-      $value = json_encode($value);
+      $value = pack('C',$value);
     }
     $_SESSION[$name] = $value;
   }
@@ -78,7 +78,9 @@ class session
   public static function get ($name)
   {
     if ($name === 'config') {
-      return json_decode($_SESSION[$name]);
+      if (isset($_SESSION['config'])) {
+        return unpack('C', $_SESSION[$name]);
+      }
     }
     else if (isset($_SESSION[$name])) {
       return $_SESSION[$name];