Collect the default WordPress user fields for Website Field URL (user_url) and show on PMPro Checkout, Profile Edit, and Admin Member Edit

pmpro-add-website-field-checkout-profile-admin.php

<?php
/**
 * Add Website Field to PMPro Checkout, Frontend Profile Edit, and Admin Member Edit Screen.
 *
 * - Adds a "Website" field to checkout, user profile edit, and admin member edit screen.
 * - Saves the website URL correctly to the default WordPress `user_url` field.
 */

/**
 * Add Website field to PMPro Checkout Form.
 */
function pmpro_add_website_field_to_checkout() {
    $user_url = isset($_POST['user_url']) ? esc_url($_POST['user_url']) : '';
    ?>
    <div class="pmpro_form_field">
        <label for="user_url" class="pmpro_form_label"><?php esc_html_e('Website', 'paid-memberships-pro'); ?></label>
        <input type="url" id="user_url" name="user_url" value="<?php echo esc_attr($user_url); ?>" class="pmpro_form_input">
    </div>
    <?php
}
add_action('pmpro_checkout_after_password', 'pmpro_add_website_field_to_checkout');

/**
 * Save Website field on Membership Checkout.
 */
function pmpro_save_website_field_at_checkout($user_id) {
    if (!empty($_POST['user_url'])) {
        update_user_meta($user_id, 'user_url', esc_url($_POST['user_url']));
    }
}
add_action('pmpro_after_checkout', 'pmpro_save_website_field_at_checkout');
add_action('user_register', 'pmpro_save_website_field_at_checkout');

/**
 * Add Website field to Member Profile Edit
 */
function pmpro_add_website_field_to_member_profile_edit($user) {
    $user_url = get_user_meta($user->ID, 'user_url', true);
    ?>
    <h2 class="pmpro_font-large"><?php esc_html_e('Additional Information', 'paid-memberships-pro'); ?></h2>
    <div class="pmpro_form_field">
        <label for="user_url" class="pmpro_form_label"><?php esc_html_e('Website', 'paid-memberships-pro'); ?></label>
        <input type="url" id="user_url" name="user_url" value="<?php echo esc_attr($user_url); ?>" class="pmpro_form_input">
    </div>
    <?php
}
add_action('show_user_profile', 'pmpro_add_website_field_to_member_profile_edit');
add_action('edit_user_profile', 'pmpro_add_website_field_to_member_profile_edit');
add_action('pmpro_show_user_profile', 'pmpro_add_website_field_to_member_profile_edit');

/**
 * Save Website field on Member Profile Edit
 */
function pmpro_save_website_field_from_profile_edit($user_id) {
    if (!current_user_can('edit_user', $user_id)) {
        return false;
    }
    
    if (isset($_POST['user_url'])) {
        update_user_meta($user_id, 'user_url', esc_url($_POST['user_url']));
    }
}
add_action('personal_options_update', 'pmpro_save_website_field_from_profile_edit');
add_action('edit_user_profile_update', 'pmpro_save_website_field_from_profile_edit');
add_action('pmpro_edit_user_profile_update', 'pmpro_save_website_field_from_profile_edit');

/**
 * Add Website Field to PMPro Admin Edit Member Screen under "User Info" Panel.
 */
function pmpro_add_website_field_to_admin_member_edit($user) {
    $user_url = get_user_meta($user->ID, 'user_url', true);
    ?>
    <h2 class="pmpro_font-large"><?php esc_html_e('Additional Information', 'paid-memberships-pro'); ?></h2>
    <table class="form-table">
        <tr>
            <th><label for="user_url" class="pmpro_form_label"><?php esc_html_e('Website', 'paid-memberships-pro'); ?></label></th>
            <td>
                <input type="url" id="user_url" name="user_url" value="<?php echo esc_attr($user_url); ?>" class="pmpro_form_input pmpro_admin_website_input">
            </td>
        </tr>
    </table>
    <style>
        /* Increase the width of the Website input field in the PMPro Admin Edit Member Screen */
        .pmpro_admin_website_input {
            min-width: 35em !important;
            width: 100% !important;
            max-width: 100%;
        }
    </style>
    <?php
}
add_action('pmpro_after_membership_level_profile_fields', 'pmpro_add_website_field_to_admin_member_edit');

/**
 * Save Website field in Admin PMPro Member Edit Screen.
 */
function pmpro_save_website_field_from_admin_edit($user_id) {
    if (!current_user_can('manage_options')) {
        return false;
    }
    
    if (isset($_POST['user_url'])) {
        update_user_meta($user_id, 'user_url', esc_url($_POST['user_url']));
    }
}
add_action('pmpro_after_membership_level_profile_fields_update', 'pmpro_save_website_field_from_admin_edit');