I’m curious to know how many had the same problem. At WooCommerce checkout, some user fields such as billing_name, shipping_address_1, etc. are automatically saved into the “WordPress User Profile” upon processing.

But what if we also wanted to display and save another existing user field, such as “user_twitter”, or “user_url”, which you can find in the WP User Profile by default? Well, this is very easy: first, we add a custom checkout field; then, we make sure that when the checkout is processed we save that field correctly!

Display & save a default WordPress User Field via WooCommerce Checkout

PHP Snippet: Show & Save WordPress User Field Upon WooCommerce Checkout


/**
 * @snippet       Display & Save WP User Field @ Checkout - WooCommerce
 * @how-to        Get CustomizeWoo.com FREE
 * @sourcecode    https://businessbloomer.com/?p=21737
 * @author        Rodolfo Melogli
 * @compatible    WC 3.5.1
 */


// ------------------------
// 1. Display field @ Checkout

add_action( 'woocommerce_after_checkout_billing_form', 'bbloomer_add_user_field_to_checkout' );
 
function bbloomer_add_user_field_to_checkout( $checkout ) {

$current_user = wp_get_current_user();
$saved_url = $current_user->user_url;

woocommerce_form_field( 'user_url', array(        
'type' => 'text',        
'class' => array('user_url form-row-wide'),        
'label' => __('Website URL'),        
'placeholder' => __('http://yoursite.com'),        
'required' => false
), 
$saved_url ); 
 
}
 

// ------------------------
// 2. Save Field Into User Meta
 
add_action( 'woocommerce_checkout_update_user_meta', 'bbloomer_checkout_field_update_user_meta' );
 
function bbloomer_checkout_field_update_user_meta( $user_id ) { 

if ( $user_id && $_POST['user_url'] ) {

// once again, use "user_url"
	
	$args = array(
                'ID' => $user_id,
                'user_url' => esc_attr( $_POST['user_url'] )
        );      
      
    wp_update_user( $args );
}

}

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