From 8a6f7c0e384d6e4a27f2d6b0c7e5212af867b4f2 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Thu, 19 May 2016 15:02:30 +0200
Subject: [PATCH] ExtensibleSet: remove empty components

fixes #11360
---
 .../Director/Web/Form/Element/ExtensibleSet.php   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/library/Director/Web/Form/Element/ExtensibleSet.php b/library/Director/Web/Form/Element/ExtensibleSet.php
index 3b4ec311..d17d978b 100644
--- a/library/Director/Web/Form/Element/ExtensibleSet.php
+++ b/library/Director/Web/Form/Element/ExtensibleSet.php
@@ -15,6 +15,21 @@ class ExtensibleSet extends FormElement
 
    // private $multiOptions;
 
+    public function getValue()
+    {
+        $value = parent::getValue();
+        if (! is_array($value)) {
+            $value = array($value);
+        }
+        $value = array_filter($value, 'strlen');
+
+        if (empty($value)) {
+            return null;
+        }
+
+        return $value;
+    }
+
     public function isValid($value, $context = null)
     {
         if ($value === null) {