Show address fields for free levels also with Paid Memberships Pro.

pmpro-address-for-free-levels.php

<?php
/*
Plugin Name: PMPro Address For Free Levels
Plugin URI: http://www.paidmembershipspro.com/wp/pmpro-address-for-free-levels/
Description: Show address fields for free levels also with Paid Memberships Pro
Version: .2
Author: Stranger Studios
Author URI: http://www.strangerstudios.com
*/

/*
  Show address fields for free levels too.
  Add this code to your active theme's functions.php or a custom plugin.
*/
//keep address fields shown on checkout page
function my_pmpro_checkout_boxes_require_address()
{
    ?>
    <script>
        var pmpro_show_billing_address_fields_timer;
        function showBillingAddressFields()
        {
            jQuery('#pmpro_billing_address_fields').show();
            pmpro_show_billing_address_fields_timer = setTimeout(function(){showBillingAddressFields();}, 200);
        }
        jQuery(document).ready(function() {
            //show it and keep showing it
            showBillingAddressFields();

            <?php
                //remove billing from address title if the level is free
                global $pmpro_level;
                if(pmpro_isLevelFree($pmpro_level))
                {
                ?>
            //change heading
            jQuery('#pmpro_billing_address_fields th').html('Address');
            <?php
            }
        ?>
        });
    </script>
<?php
}
add_action("pmpro_checkout_boxes", "my_pmpro_checkout_boxes_require_address");

//make sure address fields are required
function my_pmpro_required_user_fields($fields)
{
    global $bfirstname, $blastname, $baddress1, $bcity, $bstate, $bzipcode, $bcountry, $bphone, $bemail;

    $fields["bfirstname"] = $bfirstname;
    $fields["blastname"] = $blastname;
    $fields["baddress1"] = $baddress1;
    $fields["bcity"] = $bcity;
    $fields["bstate"] = $bstate;
    $fields["bzipcode"] = $bzipcode;
    $fields["bphone"] = $bphone;
    $fields["bemail"] = $bemail;
    $fields["bcountry"] = $bcountry;

    return $fields;
}
add_action("pmpro_required_user_fields", "my_pmpro_required_user_fields");

/*
 * Save billing fields when using PayPal
 */
function my_pmpro_paypalexpress_session_vars() {
    $_SESSION['bfirstname'] = $_REQUEST['bfirstname'];
    $_SESSION['blastname'] = $_REQUEST['blastname'];
    $_SESSION['baddress1'] = $_REQUEST['baddress1'];
    $_SESSION['baddress2'] = $_REQUEST['baddress2'];
    $_SESSION['bcity'] = $_REQUEST['bcity'];
    $_SESSION['bstate'] = $_REQUEST['bstate'];
    $_SESSION['bzipcode'] = $_REQUEST['bzipcode'];
    $_SESSION['bphone'] = $_REQUEST['bphone'];
    $_SESSION['bemail'] = $_REQUEST['bemail'];
    $_SESSION['bcountry'] = $_REQUEST['bcountry'];
}
add_action('pmpro_paypalexpress_session_vars', 'my_pmpro_paypalexpress_session_vars');

//load vars back into $_REQUEST
function my_init() {
    if(!empty($_REQUEST['review']) && !empty($_REQUEST['token'])) {
        $_REQUEST['bfirstname'] = $_SESSION['bfirstname'];
        $_REQUEST['blastname'] = $_SESSION['blastname'];
        $_REQUEST['baddress1'] = $_SESSION['baddress1'];
        $_REQUEST['baddress2'] = $_SESSION['baddress2'];
        $_REQUEST['bcity'] = $_SESSION['bcity'];
        $_REQUEST['bstate'] = $_SESSION['bstate'];
        $_REQUEST['bzipcode'] = $_SESSION['bzipcode'];
        $_REQUEST['bphone'] = $_SESSION['bphone'];
        $_REQUEST['bemail'] = $_SESSION['bemail'];
        $_REQUEST['bcountry'] = $_SESSION['bcountry'];
    }
}
add_action('init', 'my_init');