Ensure value passed to CMB2_Utils::filter_empty is always an array. Fixes CMB2#1026

jtsternberg · jtsternberg · commit bcec44eedf1d · 2019-01-18T14:18:29.000-05:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -16,6 +16,7 @@ All notable changes to this project will be documented in this file.
 * Fix `rest_value_cb` registering of filter. Props [@lipemat](https://github.com/lipemat) ([#1212](https://github.com/CMB2/CMB2/pull/1212)).
 * Do not trigger tinyMCE editor save for the activeEditor. Prevents cursor jump in Gutenberg. Fixes [#1202](https://github.com/CMB2/CMB2/issues/1202)
 * Fix issue where making a field repeatable would generate a Javascript error because of missing sortable library. Props [@slaFFik](https://github.com/slaFFik) ([#1216](https://github.com/CMB2/CMB2/pull/1216)).
+* Ensure value passed to `CMB2_Utils::filter_empty` from `CMB2::save_group_field` is always an array.  ([#1026](https://github.com/CMB2/CMB2/issues/1026))
 
 ## [2.5.1 - 2018-12-10](https://github.com/CMB2/CMB2/releases/tag/v2.5.1)
 
diff --git a/includes/CMB2.php b/includes/CMB2.php
@@ -928,6 +928,7 @@ public function save_group_field( $field_group ) {
 
 			$field  = $this->get_new_field( $field_args, $field_group );
 			$sub_id = $field->id( true );
+			$saved[ $field_group->index ] = array();
 
 			foreach ( (array) $group_vals as $field_group->index => $post_vals ) {
 
