Bank Transfer

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Using Mail In Payment as a gateway will give you a text area to enter payment details for the client that will be displayed on the printable invoice. This can be used to enter the bank routing code (sometimes called sortcode) and account numbers and any references required to allocate the payment correctly. As a result the 'forward user to payment gateway' order redirect option will redirect the client to the invoice.

When you receive the payment, you would need to add the transaction manually into WHMCS by using the Add Payment section of the invoice.

Duplication

This module, along with Mail in Payment are open-source meaning it can be easily duplicated if you wish to offer multiple options. Duplicating these modules is a simple process:

• Create a copy of /modules/gateways/banktransfer.php. The new filename must be all lowercase, alphanumeric characters only and contain no spaces.
• Open the new file in a text editor such as Notepad and change the following three lines to the name of your new module;

function banktransfer_config() {

"Value" => "Bank Transfer"

function banktransfercopy_link($params) {

For example:

<?php
 
# Bank Transfer Payment Gateway Module

function banktransfercopy_config() {
 
    $configarray = array(
     "FriendlyName" => array(
        "Type" => "System",
        "Value" => "Bank Transfer Copy"
        ),
     "instructions" => array(
        "FriendlyName" => "Bank Transfer Instructions",
        "Type" => "textarea",
        "Rows" => "5",
        "Value" => "Bank Name:\nPayee Name:\nSort Code:\nAccount Number:",
        "Description" => "The instructions you want displaying to customers who choose this payment method - the invoice number will be shown underneath the text entered above",
        ),
    );
 
	return $configarray;
 
}
 
function banktransfercopy_link($params) {
    global $_LANG;
 
    $code = '<p>'.nl2br($params['instructions']).'<br />'.$_LANG['invoicerefnum'].': '.$params['invoiceid'].'</p>';
 
    return $code;
 
}
 
?>

• The above code would create a new payment gateway module called Bank Transfer Copy.
• Finally save and upload to your /modules/gateways/ directory.

That's all there is to it, your new module will be available for activation under Setup > Payments > Payment Gateways.