Fixes dynamic property creation deprecation warnings with PHP8.2 (#2606)

class-wc-facebookcommerce.php

@@ -106,6 +106,12 @@ class WC_Facebookcommerce extends WooCommerce\Facebook\Framework\Plugin {
 	/** @var WooCommerce\Facebook\ExternalVersionUpdate */
 	private $external_version_update;
 
+	/** @var WooCommerce\Facebook\Feed\FeedConfigurationDetection instance. */
+	private $configuration_detection;
+
+	/** @var WooCommerce\Facebook\Products\FBCategories instance. */
+	private $fb_categories;
+
 	/**
 	 * The Debug tools instance.
 	 *

facebook-commerce-messenger-chat.php

@@ -22,6 +22,12 @@
 	 */
 	class WC_Facebookcommerce_MessengerChat {
 
+		/** @var string Facebook Page ID. */
+		private $page_id;
+
+		/** @var string|null JS SDK Version. */
+		private $jssdk_version;
+
 		/**
 		 * Class constructor.
 		 *

facebook-commerce.php

@@ -181,6 +181,15 @@ class WC_Facebookcommerce_Integration extends WC_Integration {
 	/** @var WC_Facebookcommerce */
 	private $facebook_for_woocommerce;
 
+	/** @var WC_Facebookcommerce_EventsTracker instance. */
+	private $events_tracker;
+
+	/** @var WC_Facebookcommerce_MessengerChat instance. */
+	private $messenger_chat;
+
+	/** @var WC_Facebookcommerce_Background_Process instance. */
+	private $background_processor;
+
 	/**
 	 * Init and hook in the integration.
 	 *

includes/Admin.php

@@ -39,6 +39,8 @@ class Admin {
 	/** @var array screens ids where to include scripts */
 	protected $screen_ids = [];
 
+	/** @var Product_Sets the product set admin handler. */
+	protected $product_sets;
 
 	/**
 	 * Admin constructor.

includes/Admin/Enhanced_Catalog_Attribute_Fields.php

@@ -27,6 +27,26 @@ class Enhanced_Catalog_Attribute_Fields {
 	const PAGE_TYPE_ADD_CATEGORY  = 'add_category';
 	const PAGE_TYPE_EDIT_PRODUCT  = 'edit_product';
 
+	/**
+	 * @var string Facebook page type.
+	 */
+	private $page_type;
+
+	/**
+	 * @var \WP_Term
+	 */
+	private $term;
+
+	/**
+	 * @var \WC_Product
+	 */
+	private $product;
+
+	/**
+	 * @var \WooCommerce\Facebook\Products\FBCategories
+	 */
+	private $category_handler;
+
 	public function __construct( $page_type, \WP_Term $term = null, \WC_Product $product = null ) {
 		$this->page_type        = $page_type;
 		$this->term             = $term;

includes/ProductSync/ProductValidator.php

@@ -77,6 +77,13 @@ class ProductValidator {
 	 */
 	protected $fb_product_parent;
 
+	/**
+	 * The product object to validate.
+	 *
+	 * @var WC_Facebook_Product
+	 */
+	protected $facebook_product;
+
 	/**
 	 * ProductValidator constructor.
 	 *

includes/fbbackground.php

@@ -18,6 +18,11 @@
 
 class WC_Facebookcommerce_Background_Process extends WP_Background_Process {
 
+		/**
+		 * @var WC_Facebookcommerce_Integration instance.
+		 */
+		private $commerce;
+
 		public function __construct( $commerce ) {
 			$this->commerce = $commerce; // Full WC_Facebookcommerce_Integration obj
 		}

includes/fbproduct.php

@@ -48,6 +48,46 @@ class WC_Facebook_Product {
 		'variation' => 1,
 	);
 
+	/**
+	 * @var int WC_Product ID.
+	 */
+	private $id;
+
+	/**
+	 * @var WC_Product
+	 */
+	public $woo_product;
+
+	/**
+	 * @var string Facebook Product Description.
+	 */
+	private $fb_description;
+
+	/**
+	 * @var array Gallery URLs.
+	 */
+	private $gallery_urls;
+
+	/**
+	 * @var bool Use parent image for variable products.
+	 */
+	private $fb_use_parent_image;
+
+	/**
+	 * @var string Product Description.
+	 */
+	private $main_description;
+
+	/**
+	 * @var bool  Sync short description.
+	 */
+	private $sync_short_description;
+
+	/**
+	 * @var bool Product visibility on Facebook.
+	 */
+	public $fb_visibility;
+
 	public function __construct( $wpid, $parent_product = null ) {
 
 		if ( $wpid instanceof WC_Product ) {

tests/Unit/WCFacebookCommerceIntegrationTest.php

@@ -218,7 +218,12 @@ function ( $use_pii ) {
 	public function test_load_background_sync_process() {
 		$this->integration->load_background_sync_process();
 
-		$this->assertInstanceOf( WC_Facebookcommerce_Background_Process::class, $this->integration->background_processor );
+        $ref = new \ReflectionClass( $this->integration );
+        $background_processor_prop = $ref->getProperty( 'background_processor' );
+        $background_processor_prop->setAccessible( true );
+        $background_processor = $background_processor_prop->getValue( $this->integration );
+
+        $this->assertInstanceOf(WC_Facebookcommerce_Background_Process::class, $background_processor);
 		$this->assertEquals(
 			10,
 			has_action(