From 5b8836b5bef1a2e1187c6d1c707d629f1c3a5bec Mon Sep 17 00:00:00 2001
From: Paal Joergensen <pal.jorgensen@gmail.com>
Date: Mon, 29 Aug 2016 15:54:48 +0200
Subject: [PATCH 1/2] Making select beeing able to be optional

---
 h5p.classes.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/h5p.classes.php b/h5p.classes.php
index 64c2ab5..a367184 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -2852,6 +2852,7 @@ class H5PContentValidator {
    * @param $semantics
    */
   public function validateSelect(&$select, $semantics) {
+    $optional = isset($semantics->optional) && $semantics->optional;
     $strict = FALSE;
     if (isset($semantics->options) && !empty($semantics->options)) {
       // We have a strict set of options to choose from.
@@ -2871,7 +2872,7 @@ class H5PContentValidator {
       }
 
       foreach ($select as $key => &$value) {
-        if ($strict && !isset($options[$value])) {
+        if ($strict && !$optional && !isset($options[$value])) {
           $this->h5pF->setErrorMessage($this->h5pF->t('Invalid selected option in multi-select.'));
           unset($select[$key]);
         }
@@ -2887,7 +2888,7 @@ class H5PContentValidator {
         $select = $select[0];
       }
 
-      if ($strict && !isset($options[$select])) {
+      if ($strict && !$optional && !isset($options[$select])) {
         $this->h5pF->setErrorMessage($this->h5pF->t('Invalid selected option in select.'));
         $select = $semantics->options[0]->value;
       }

From 5f38e2b7f81039eeede9758691bce80111b96571 Mon Sep 17 00:00:00 2001
From: Paal Joergensen <pal.jorgensen@gmail.com>
Date: Wed, 21 Sep 2016 13:22:35 +0200
Subject: [PATCH 2/2] Bumped core because of bugfix for optional selects
 [HFJ-2183]

---
 h5p.classes.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/h5p.classes.php b/h5p.classes.php
index a367184..0b2d7f8 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -1665,7 +1665,7 @@ class H5PCore {
 
   public static $coreApi = array(
     'majorVersion' => 1,
-    'minorVersion' => 8
+    'minorVersion' => 9
   );
   public static $styles = array(
     'styles/h5p.css',