lp-gift-custom-fields.php

<?php


// add fields to the gift form
add_action('lp_gift_sub_after_recipient_fields', 'endo_add_custom_fields_on_gift_form' );

function endo_add_custom_fields_on_gift_form() {
    ?>
        <p>
            <label>Your coworking space</label>
            <input name="coworking_space" value="" placeholder="where do you work?">
        </p>
    <?php
}

// add the submitted fields to the gift details array
add_filter('lp_gift_subs_details_checkout_array', 'endo_add_custom_fields_to_gift_details', 20, 2);

function endo_add_custom_fields_to_gift_details($data, $fields) {

    if (isset($fields['coworking_space']) && $fields['coworking_space']) {
        $data['coworking_space'] = sanitize_text_field($fields['coworking_space']);
    }

    return $data;

}

// store the data on the user, transaction, etc.
add_action('leaky_paywall_after_process_gift_subscription', 'endo_process_gift_subscription');

function endo_process_gift_subscription($gift_details) {

    $email = $gift_details['rcpt_email'];
    $user = get_user_by('email', $email);

    $transaction_id = leaky_paywall_get_transaction_id_from_email($user->user_email);

    if (isset($gift_details['coworking_space']) && $gift_details['coworking_space']) {
        update_post_meta($transaction_id, '_coworking_space', $gift_details['coworking_space']);
        update_user_meta($user->ID, '_coworking_space', $gift_details['coworking_space']);
    }

}