PaymentSettings.php

<?php
//TODO: Set the following constants. All URLs must be publicly accessible.
// See http://wyday.com/limelm/help/how-to-generate-product-keys-after-order/
// to learn how to configure the payment form and set everything up.

//==== General Config ====

//TODO: disable debug & sandbox when you're using this on your live site.

// Enable debug logging
$debug = true;
$debug_log = dirname(__FILE__).'/payment_debug.log';

// api key found in http://wyday.com/limelm/settings/
$LimeLM_ApiKey = 'API KEY';

// the version id is found in the url.
// For example http://wyday.com/limelm/version/100/   the version id is '100'.
$LimeLM_VersionID = 'ID';

function debug_log($message, $success, $end = false)
{
    global $debug, $debug_log;

    if (!$debug || !$debug_log)
        return;

    // Timestamp
    $text = '['.date('m/d/Y g:i A').'] - '.(($success)?'SUCCESS :':'FAILURE :').$message. "\n";

    if ($end)
        $text .= "\n------------------------------------------------------------------\n\n";

    // Write to log
    $fp=fopen($debug_log, 'a');
    fwrite($fp, $text);
    fclose($fp);
}

function SendPKeys($quantity, $email, $first, $last, $CompanyName, $AppName)
{
    //Note: we put LimeLM in this directory. Change it as needed.
    require('LimeLM.php');

    global $LimeLM_VersionID, $LimeLM_ApiKey;

    $errors = false;

    // set your API key
    LimeLM::SetAPIKey($LimeLM_ApiKey);

    try
    {
        // Generate the product key - set the number of activations using the quantity
        $xml = new SimpleXMLElement(LimeLM::GeneratePKeys($LimeLM_VersionID, 1, $quantity, $email));

        if ($xml['stat'] == 'ok')
        {
            foreach ($xml->pkeys->pkey as $pkey)
            {
                // add a newline if you're generating more than one key
                if ($product_keys)
                    $product_keys .= "\r\n";

                // set the product key
                $product_keys .= $pkey['key']."\r\n";
            }
        }
        else //failure
        {
            // use the error code & message
            debug_log('Failed to generate product keys: ('.$xml->err['code'].') '.$xml->err['msg'],false);
        }
    }
    catch (Exception $e)
    {
        debug_log('Failed to generate product keys, caught exception: '.$e->getMessage(),false);
    }

    if (empty($product_keys))
    {
        // the product key didn't generate, don't send e-mail to the customer yet.
        $errors = true;
    }

    // form the customer name
    $customerName = $first;

    if (!empty($last))
        // append the last name
        $customerName .= ' '.$last;

    $emailBody = $customerName.',

    Thank you for your order. Your product key is:

'.$product_keys.'


This product key is licensed for '.$quantity.( $quantity > 1 ? ' users' : ' user' ).' of '.$AppName.'.

Thank you,

'.$CompanyName;

    if (!empty($product_keys))
    {
        // Send Email to the buyer
        $emailSent = mail($email, 'Your '.$AppName.' product key', $emailBody, $headers);
    }

    // generate an array you can insert into your database
    $new_order_info = array(
        'quantity_licenses'     => $quantity,
        'pkey'                  => $product_keys,
        'pkey_emailed'          => $emailSent ? '1' : '0', // 0 = no, 1 = yes
        'first_name'            => $first,
        'last_name'             => $last,
        'email'                 => $email
    );

    //TODO: delete logging, or log to a safe location (not accessible to outside world)
    debug_log('TODO: Insert array into db: '."\r\n\r\n".print_r($new_order_info, true), true);

    if (!$emailSent)
    {
        $errors = true;
        debug_log('Error sending product Email to '.$email.'.',false);
    }

    LimeLM::CleanUp();

    return $product_keys;
}
?>