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How to update billing_email in Woocommerce (if empty)

Email address not mandatory on our checkout page.

We want to update billing_email to our custom email if the customer does not provide an email.

Here is my code:

add_action('woocommerce_thankyou', 'set_email_for_guest');
function set_email_for_guest( $order_id ) {
    $email = get_post_meta( $order_id, 'billing_email', true );
    if(empty($email)){
            update_post_meta( $order_id, '_billing_email', '[email protected]' );
    }
}
Tags:

3

Answers


  1. 0

    You have an error in the meta key:

    add_action( 'woocommerce_thankyou', 'set_email_for_guest' );
function set_email_for_guest( $order_id ) {
    $email = get_post_meta( $order_id, '_billing_email', true ); // '_billing_email' instead 'billing_email'

    if( empty( $email ) ) {
        update_post_meta( $order_id, '_billing_email', '[email protected]' );
    }
}
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  2. 0

    You want to update billing_email to custom email if the user does not provide a billing email on checkout.

    So it would be a possible solution to the problem to give the email field on your checkout page a default value. This default value can be the customer email if logged in, or as in your example a hard coded value. This way you will always have a value in this field.

    add_filter( 'woocommerce_checkout_fields', 'set_billing_email_default_value' );
 
function set_billing_email_default_value($fields) {
    $fields['billing']['billing_email']['default'] = '[email protected]';
    return $fields;
}

    Addition:

    If you want to make it read only, so the user can not edit the default value, you can set this in the fields custom attributes.

    $fields['billing']['billing_email']['custom_attributes'] = array('readonly'=>'readonly');
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  3. 0

    I believe the hook that you should use is not woocommerce_thankyou. Instead, you should choose from one of the following hooks which both worked for me in WordPress 5.6.1 with WooCommerce 5.0.0 (which are both the latest releases as of writing):

    And note that these hooks pass $data as the second parameter which is an array of the POST-ed/submitted (and processed) form data. However, the first parameter is a WC_Order instance and an order ID, respectively.

    Option 1: Use woocommerce_checkout_create_order

    add_action( 'woocommerce_checkout_create_order', 'set_email_for_guest', 10, 2 );
function set_email_for_guest( $order, $data ) { // first param is a WC_Order instance
    if ( empty( $data['billing_email'] ) ) {
        $order->update_meta_data( '_billing_email', '[email protected]' );
    }
}

    Option 2: Use woocommerce_checkout_update_order_meta

    add_action( 'woocommerce_checkout_update_order_meta', 'set_email_for_guest', 10, 2 );
function set_email_for_guest( $order_id, $data ) { // first param is an order/post ID
    if ( empty( $data['billing_email'] ) ) {
        update_post_meta( $order_id, '_billing_email', '[email protected]' );
    }
}

    So just choose whichever hook you prefer, but the first one above runs first.

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