From 11a30e92b9b4b46df4a36d141bdffe17abc00832 Mon Sep 17 00:00:00 2001
From: Kevin Pliester <5339107+pixelbart@users.noreply.github.com>
Date: Fri, 22 Jul 2022 11:23:30 +0200
Subject: [PATCH] 4.5.23

---
 core/modules/class-core.php | 11 ++++++++++-
 helpful.php                 |  2 +-
 readme.txt                  |  2 +-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/core/modules/class-core.php b/core/modules/class-core.php
index f4b9257..e2e1746 100644
--- a/core/modules/class-core.php
+++ b/core/modules/class-core.php
@@ -4,7 +4,7 @@
  *
  * @package Helpful
  * @subpackage Core\Modules
- * @version 4.5.20
+ * @version 4.5.23
  * @since 4.3.0
  */
 
@@ -312,6 +312,15 @@ public function setup_tables_and_settings() {
 	 * @param array       $hook_extra Type of Upgrade.
 	 */
 	public function on_plugin_update( $upgrader, $hook_extra ) {
+		if (
+			!is_array($hook_extra) || 
+			!array_key_exists('action', $hook_extra) || 
+			!array_key_exists('type', $hook_extra) ||
+			!array_key_exists('plugins', $hook_extra)
+		) {
+			return;
+		}
+
 		if ( 'update' === $hook_extra['action'] && 'plugin' === $hook_extra['type'] ) {
 			foreach ( $hook_extra['plugins'] as $plugin_name ) {
 				if ( HELPFUL_BASENAME === $plugin_name ) {
diff --git a/helpful.php b/helpful.php
index 11682d6..b9d277d 100644
--- a/helpful.php
+++ b/helpful.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Helpful
  * Description: Add a fancy feedback form under your posts or post-types and ask your visitors a question. Give them the abbility to vote with yes or no.
- * Version: 4.5.22
+ * Version: 4.5.23
  * Author: Pixelbart
  * Author URI: https://pixelbart.de
  * Text Domain: helpful
diff --git a/readme.txt b/readme.txt
index b35a84f..5350022 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,7 +5,7 @@ Tags: helpful, poll, feedback, reviews, vote, review, voting
 Requires at least: 4.6
 Tested up to: 6.0
 Requires PHP: 5.6.20
-Stable tag: 4.5.22
+Stable tag: 4.5.23
 License: MIT License
 License URI: https://opensource.org/licenses/MIT