WooCommerce - Automatically delete attached images after product deletion

functions.php

<?php
/**
 * Delete attached images after product deletion.
 *
 * @since 1.0.0
 *
 * @see wp_delete_post()
 *
 * @param int $post_id Post ID.
 */
function woocommerce_delete_product_images( $post_id ) {
	// Check if empty trash is invalid.
	if ( isset( $_GET['action'], $_GET['delete_all'] ) && -1 !== (int) $_GET['action'] ) {
		return;
	}

	// Check if product delete action is invalid.
	if ( isset( $_GET['action'], $_GET['post'] ) && 'delete' !== $_GET['action'] && $post_id === (int) $_GET['post'] ) {
		return;
	}

	if ( class_exists( 'WooCommerce' ) ) {
		$product = wc_get_product( $post_id );

		if ( $product ) {
			$featured_image_id = $product->get_image_id();
			$gallery_image_ids = $product->get_gallery_image_ids();

			if ( ! empty( $featured_image_id ) ) {
				if ( defined( 'WP_DEBUG' ) ) {
					wc_get_logger()->info( sprintf( 'Featured image ID %d for product ID %d deleted successfully.', $featured_image_id, $product->get_id() ), ['source' => 'auto-delete-product-images'] );
				}
				wp_delete_attachment( $featured_image_id, true );
			}

			if ( ! empty( $gallery_image_ids ) ) {
				if ( defined( 'WP_DEBUG' ) ) {
					wc_get_logger()->info( sprintf( 'Gallery image IDs %s for product ID %d deleted successfully.', wc_print_r( $gallery_image_ids, true ), $product->get_id() ), ['source' => 'auto-delete-product-images'] );
				}
				foreach( $gallery_image_ids as $gallery_image_id ) {
					wp_delete_attachment( $gallery_image_id, true );
				}
			}
		}
	}
}
add_action( 'before_delete_post', 'woocommerce_delete_product_images' );