From d55ed208941d1ad92790f96fd455d357bb313d9f Mon Sep 17 00:00:00 2001
From: JiveDig <jivetheuniversal@gmail.com>
Date: Wed, 10 Jan 2024 12:20:33 -0500
Subject: [PATCH] 1.6.1 fix PHP warning when during sanitization when
 label/hide/show text fields are empty.

---
 CHANGES.md                          | 3 +++
 classes/class-table-of-contents.php | 6 +++---
 mai-table-of-contents.php           | 4 ++--
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index 939528a..318d10a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.6.1 (1/10/24)
+* Fixed: PHP warning when during sanitization when label/hide/show text fields are empty.
+
 ## 1.6.0 (1/4/24)
 * Added: New settings for TOC label and hide/show text.
 * Fixed: Wrong font-weight name for the TOC toggle (now using normal instead of regular).
diff --git a/classes/class-table-of-contents.php b/classes/class-table-of-contents.php
index d8d72b8..327dc29 100644
--- a/classes/class-table-of-contents.php
+++ b/classes/class-table-of-contents.php
@@ -41,9 +41,9 @@ function __construct( $args, $post_id = 0, $content = null ) {
 			'open'     => rest_sanitize_boolean( $args['open'] ),
 			'headings' => absint( $args['headings'] ),
 			'style'    => sanitize_html_class( $args['style'] ),
-			'label'    => wp_kses_post( $args['label'] ),
-			'hide'     => wp_kses_post( $args['hide'] ),
-			'show'     => wp_kses_post( $args['show'] ),
+			'label'    => wp_kses_post( (string) $args['label'] ), // Can't pass null.
+			'hide'     => wp_kses_post( (string) $args['hide'] ), // Can't pass null.
+			'show'     => wp_kses_post( (string) $args['show'] ), // Can't pass null.
 			'class'    => esc_attr( $args['class'] ),
 			'align'    => esc_attr( $args['align'] ),
 		];
diff --git a/mai-table-of-contents.php b/mai-table-of-contents.php
index 453e342..978f063 100644
--- a/mai-table-of-contents.php
+++ b/mai-table-of-contents.php
@@ -4,7 +4,7 @@
  * Plugin Name:     Mai Table of Contents
  * Plugin URI:      https://bizbudding.com/mai-design-pack/
  * Description:     Automatically create a table of contents from headings in your posts.
- * Version:         1.6.0
+ * Version:         1.6.1
  *
  * Author:          BizBudding
  * Author URI:      https://bizbudding.com
@@ -92,7 +92,7 @@ public function __wakeup() {
 	private function setup_constants() {
 		// Plugin version.
 		if ( ! defined( 'MAI_TABLE_OF_CONTENTS_VERSION' ) ) {
-			define( 'MAI_TABLE_OF_CONTENTS_VERSION', '1.6.0' );
+			define( 'MAI_TABLE_OF_CONTENTS_VERSION', '1.6.1' );
 		}
 
 		// Plugin Folder Path.