Like it reads!
// Autofill checkout fields from URL add_filter( 'woocommerce_checkout_fields' , 'prefill_billing_fields' ); function prefill_billing_fields ( $address_fields ) { // Get the data from the URL if ( isset( $_GET['fname'] ) || isset( $_GET['lname'] ) || isset( $_GET['email'] ) ) { // wp_die(); $fname = isset( $_GET['fname'] ) ? esc_attr( $_GET['fname'] ) : ''; $lname = isset( $_GET['lname'] ) ? esc_attr( $_GET['lname'] ) : ''; $em = isset( $_GET['email'] ) ? esc_attr( $_GET['email'] ) : ''; // First Name if( isset($_GET['fname']) && ! empty($_GET['fname']) ){ if( isset( $address_fields['billing']['billing_first_name'] ) ){ $address_fields['billing']['billing_first_name']['default'] = $fname; } } // Last Name if( isset($_GET['lname']) && ! empty($_GET['lname']) ){ if( isset( $address_fields['billing']['billing_last_name'] ) ){ $address_fields['billing']['billing_last_name']['default'] = $lname; } } // Email if( isset($_GET['email']) && ! empty($_GET['email']) ){ if(isset( $address_fields['billing']['billing_email'] )){ $address_fields['billing']['billing_email']['default'] = $em; } } } return $address_fields; }https://www.yoursite.com/checkout-page/[email protected]&fname=John&lname=Smith
Thanks! https://www.cantwaittillmonday.com/prefill-checkout-fields-cartflows/