From 3be4f01a25b9efdb9bd8954fd3acc3d2c5ca015b Mon Sep 17 00:00:00 2001
From: Alquen Sarmiento <sarmientoalquen@gmail.com>
Date: Wed, 29 Jul 2026 10:05:38 +0800
Subject: [PATCH 1/2] fix: preserve slashes for woocommerce product duplicate

---
 src/compatibility/woocommerce.php | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/compatibility/woocommerce.php b/src/compatibility/woocommerce.php
index 47dfe27f06..0f8b60ce90 100644
--- a/src/compatibility/woocommerce.php
+++ b/src/compatibility/woocommerce.php
@@ -58,3 +58,29 @@ function stackable_get_woocommerce_shop_page_id( $post_id ) {
 	add_filter( 'stackable/get_post_id_for_cached_css', 'stackable_get_woocommerce_shop_page_id' );
 
 }
+
+/**
+ * Preserve escaped block attributes when WooCommerce duplicates a product.
+ *
+ * WooCommerce passes a product description read from the database directly to
+ * wp_insert_post(), which expects slashed data. Without restoring that slash
+ * layer, escaped characters in block comment JSON (for example, \u003c in an
+ * SVG icon or \u002d in a preset CSS variable) lose their backslashes.
+ */
+if ( ! function_exists( 'stackable_preserve_woocommerce_duplicate_block_escaping' ) ) {
+
+	function stackable_preserve_woocommerce_duplicate_block_escaping( $duplicate, $product ) {
+		$description = $duplicate->get_description( 'edit' );
+
+		if ( strpos( $description, '<!-- wp:stackable/' ) !== false ) {
+			$duplicate->set_description( wp_slash( $description ) );
+		}
+	}
+
+	add_action(
+		'woocommerce_product_duplicate_before_save',
+		'stackable_preserve_woocommerce_duplicate_block_escaping',
+		999999,
+		2
+	);
+}

From f537e5b7f983a5c6e07a4eb4a86ea86b007b884d Mon Sep 17 00:00:00 2001
From: bfintal <bfintal@gmail.com>
Date: Wed, 29 Jul 2026 12:43:03 +0800
Subject: [PATCH 2/2] fix: guard non-string product descriptions before slash
 preserve

Avoid a PHP 8 TypeError from strpos() when WooCommerce returns a
non-string description during product duplication.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 src/compatibility/woocommerce.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/compatibility/woocommerce.php b/src/compatibility/woocommerce.php
index 0f8b60ce90..d474752743 100644
--- a/src/compatibility/woocommerce.php
+++ b/src/compatibility/woocommerce.php
@@ -72,6 +72,10 @@ function stackable_get_woocommerce_shop_page_id( $post_id ) {
 	function stackable_preserve_woocommerce_duplicate_block_escaping( $duplicate, $product ) {
 		$description = $duplicate->get_description( 'edit' );
 
+		if ( ! is_string( $description ) || $description === '' ) {
+			return;
+		}
+
 		if ( strpos( $description, '<!-- wp:stackable/' ) !== false ) {
 			$duplicate->set_description( wp_slash( $description ) );
 		}