This hook creates a fake, empty pro-forma invoice each time another pro-forma invoice is paid.

<?php

/**

 * cretefakeinvoice

 *

 * create an empty, fake invoice each time another 

 * invoice is paid




 */




if (!defined("WHMCS"))

    die("This file cannot be accessed directly");




function create_fake_invoice($vars) {

    $firstname = $vars['firstname'];

    $lastname = $vars['lastname'];

    $email = $vars['email'];

    $command = 'CreateInvoice';

    $postData = array(

    'userid' => '1',

);

$results = localAPI($command, $postData, $adminUsername);

}




add_hook("InvoicePaidPreEmail",1,"create_fake_invoice");