For the Facebook for WooCommerce extension. By default, the link that is shared with Facebook is an “Add to Cart” URL for your product to speed up the checkout process. You may want this to be the product URL for a number of reasons. If so, you can use this code snippet to send the product URL to Facebook instead - https://docs.woocommerce.com/d…

change-checkout-urls-to-product-urls.php

<?php // only copy this line if needed

/**
 * Change checkout URLs to product URLs for Facebook products
 */
 
function sv_fbw_checkout_url_to_product( $product_data, $id ){
  
	$product_data['checkout_url'] = $product_data['url'];

	return $product_data;

}
add_filter( 'facebook_for_woocommerce_integration_prepare_product', 'sv_fbw_checkout_url_to_product', 100, 2 );