Fix adding labels from plugins

1 files changed, 5 insertions, 2 deletions

diff --git a/program/include/rcube_json_output.php b/program/include/rcube_json_output.php
index a14f4ae14..7c79157fd 100644
--- a/program/include/rcube_json_output.php
+++ b/program/include/rcube_json_output.php
@@ -130,8 +130,11 @@ class rcube_json_output
      */
     public function add_label()
     {
-        $arg_list = func_get_args();
-        foreach ($arg_list as $i => $name) {
+        $args = func_get_args();
+        if (count($args) == 1 && is_array($args[0]))
+            $args = $args[0];
+        
+        foreach ($args as $name) {
             $this->texts[$name] = rcube_label($name);
         }
     }