Fixed bug

* Fixed error in case of call method getIdps() with unused tag

Author: vyskocilpavel

CHANGELOG.md

@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file.
 
  ## [Unreleased]
+ [Fixed]
+ - Fixed error in case of call method getIdps() with unused tag 
 
  ## [v3.0.1]
  [Fixed]

lib/DiscoTemplate.php

@@ -44,7 +44,11 @@ public function getPreferredIdp()
      */
     public function getIdps($tag = 'misc')
     {
-        return $this->data['idplist'][$tag];
+        if (isset($this->data['idplist'][$tag])) {
+            return $this->data['idplist'][$tag];
+        } else {
+            return array();
+        }
     }
 
     /**