Allows to save in the Woocommerce order a proof that the terms and conditions were accepted by the customer.

woocommerce-save-terms-conditions-user-acceptance-checkout.php

<?php
/**
 * @snippet       WooCommerce: Save “Terms & Conditions” Acceptance @ Checkout
 * @author        Diego González - diegomox
 * @compatible    WooCommerce 8
 * @source        This code is adapted from: https://www.businessbloomer.com/woocommerce-save-terms-conditions-user-acceptance-checkout
 */

use Automattic\WooCommerce\Utilities\OrderUtil;

// 1. Save Terms and Conditions as Order Meta
add_action('woocommerce_checkout_update_order_meta', 'dgm_save_terms_conditions_acceptance', 10, 2);
function dgm_save_terms_conditions_acceptance( $order_id, $data ) {
    
	$order = $order_id ? wc_get_order( $order_id ) : null;	
		
	if ( $order && isset( $data['terms'] ) ) {
		if ( class_exists( 'Automattic\WooCommerce\Utilities\OrderUtil' ) && OrderUtil::custom_orders_table_usage_is_enabled() ) {		
			$order->update_meta_data( '_terms_accepted', (int) $data['terms'] );
			$order->save();
		} else {
			update_post_meta( $order_id, '_terms_accepted', (int) $data['terms'] );
		}		
	} 
}

// 2. Display Terms and Conditions @ Single Order Page
add_action( 'woocommerce_admin_order_data_after_billing_address', 'dgm_display_terms_conditions_acceptance' );
function dgm_display_terms_conditions_acceptance( $order ) {
	
	if ( class_exists( 'Automattic\WooCommerce\Utilities\OrderUtil' ) && OrderUtil::custom_orders_table_usage_is_enabled() ) {			
		$acceptance = $order->get_meta( '_terms_accepted', true );		
	} else {
		$acceptance = get_post_meta( $order->get_id(), '_terms_accepted', true );			
	}
		
	echo '<p><strong>' . __( 'Terms & Conditions: ', 'your_text_domain' ) . '</strong>' . ( $acceptance? __( 'accepted', 'your_text_domain' ) : __( 'N/A', 'your_text_domain' ) );
		
}

How To Add PHP Code Snippets To WordPress

1. Directly to your theme – you can place the code snippet directly in a file called functions.php in a child theme

2. You can use a ready-made plugin of the several that exist and allow you to paste PHP snippets. One of the most popular plugins you can use is Code Snippets.

Hi there, is this compatible also with WooCommerce with the Subscription extension?

@justcalljarold Yes, it is compatible with WooCommerce, including the Subscription extension.

@justcalljarold Yes, it is compatible with WooCommerce, including the Subscription extension.

ey thanks for the confirmation!

I've also been looking to the site where you got this snippet. they mostly have everything in woocommerce but not specifically woocommerce with subscription extension added so I just wanted to make sure.