WordPress: Add A Confirm Password Field on WooCommerce Version 3+ Checkout Page

We noticed that the confirm password field we had added to some of out clients sites had disappeared from the “Create an account” section on the checkout since WooCommerce version 3 was released.

After some playing around, we finally got it working again!

Here’s the code:

add_action( 'woocommerce_checkout_init', 'wc_add_confirm_password_checkout', 10, 1 );

function wc_add_confirm_password_checkout( $checkout ) {
    if ( get_option( 'woocommerce_registration_generate_password' ) == 'no' ) {
        $checkout->checkout_fields['account']['account_password2'] = array(
            'type'              => 'password',
            'label'             => __( 'Verify password', 'woocommerce' ),
            'required'          => true,
            'placeholder'       => _x( 'Password', 'placeholder', 'woocommerce' )
        );
    }
}


// Check the password and confirm password fields match before allow checkout to proceed.
add_action( 'woocommerce_after_checkout_validation', 'wc_check_confirm_password_matches_checkout', 10, 2 );
function wc_check_confirm_password_matches_checkout( $posted ) {
    $checkout = WC()->checkout;
    if ( ! is_user_logged_in() && ( $checkout->must_create_account || ! empty( $posted['createaccount'] ) ) ) {
        if ( strcmp( $posted['account_password'], $posted['account_password2'] ) !== 0 ) {
            wc_add_notice( __( 'Passwords do not match.', 'woocommerce' ), 'error' );
        }
    }
}

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