fix for multiple "Exception: Moodle exception: Exception - Call to a …

…member function export_for_template() on array" (related to Wunderbyte-GmbH@2ac9de1) (Wunderbyte-GmbH#807)

classes/booking_bookit.php

@@ -173,15 +173,15 @@ public static function render_bookit_template_data(
         if ($showprepagemodal) {
             // We render the button only from the highest relevant blocking condition.
 
-            $data = (array)new prepagemodal(
+            $data = new prepagemodal(
                 $settings, // We pass on the optionid.
                 count($prepages), // The total number of pre booking pages.
                 $buttoncondition,  // This is the button we need to render twice.
                 !$justmyalert ? $extrabuttoncondition : '', // There might be a second button to render.
                 $userid, // The userid for which all this will be rendered.
             );
 
-            $data['results'] = json_encode(array_keys($results));
+            $data->results = json_encode(array_keys($results));
 
             $datas[] = $data;
 

classes/output/prepagemodal.php

@@ -58,6 +58,8 @@ class prepagemodal implements renderable, templatable {
     /** @var string $inmodalbuttonhtml  */
     public $inmodalbuttonhtml = "";
 
+    /** @var string $results  */
+    public $results = "";
     /**
      * Constructor
      *