Trustpilot AFS product tracking in order confirmation mail for WooCommerce

functions-trustpilot.php

add_action( 'woocommerce_email_after_order_table', 'add_trustpilot_afs_tracking', 20, 2 ); 
function add_trustpilot_afs_tracking( $order, $sent_to_admin ) {  
	if ( ! $sent_to_admin ) {
    ?>
      	<script type="application/json+trustpilot">
	  	{ 
		"recipientEmail": "<?php echo $order->billing_email; ?>", 
		"recipientName": "<?php echo $order->billing_first_name.' '. $order->billing_last_name; ?>", 
		"referenceId": "<?php echo $order->get_order_number(); ?>",
			"products": [<?php 
			// This is how to grab line items from the order 
			$line_items = $order->get_items();		
			// This loops over line items
			foreach ( $line_items as $item ) {
				
				$product_name = $item['name'];
				$product_id = $item['product_id'];
				$product_qty = $item['qty'];
				
				$product = $order->get_product_from_item( $item );				
				// Get SKU
				$product_sku = $product->get_sku();	
				
				//Get Product Object
				$product_obj = new WC_Product( $item["product_id"] );
				$product_url = $product_obj->get_permalink();
				//$product_image = $product_obj->get_image();
				
			?>{
				"productUrl": "<?php echo $product_url; ?>",				
				"name": "<?php echo $product_name; ?>",
				"sku": "<?php echo $product_sku; ?>"
			},		
			<?php 
			} ?>	]
		}
		</script>
    <?php
	}
}