Get Instance of ClickandbuyAPI class and set class options

<?php
// Load class library
include_once("clickandbuyapi.php");


// Example Configurations:
$configs = array( 'gateway' => array(
'gateway_url' => 'eu.clickandbuy.com/newauth/http://premium-[your keys].eu.clickandbuy.com/',
'return_url' => 'www.yourwebsite.com/clickandbuy_return.php',
'sellerID' => 'your sellerId',
'tmPassword' => 'your tmPassword',
'dynkey' => '',
),
'customParams' => array('myUserId', 'myItemId'), // these parameters will be preserved.
);

// get instance
$api = ClickandbuyAPI::getInstance($configs);

?>


Generate Clickandbuy Link

<?php

// Get your ClickandBuy transaction parameters from database
$data = array(
'cb_currency' => 'EUR',
'lang' => 'en',
'cb_billing_Nation' => 'UK',
'price' => 100, // price in cent
'cb_content_name_utf' => 'Yurssite.com',
'cb_content_info_utf' => 'Yur product title',
'myUserId' => 10, // optional
'MyItemId' => 32, // optional
);

// Construct clickandbuy payment link
$url = $api->link($data);

// now you can use this link in html anchor like:
?>

<a href="<?php echo $url; ?>">Pay using ClickandBuy</a>


Check Your Transaction

Verify transaction information and store transaction data into your database with status uncommitted.

File: transaction_check.php

<?php
// verify transaction information and return all necessary data in array
$checkData = $api->check(false);

if (!empty($checkData)) {
// check and insert server transaction data into database.
/**
* ... database insert code here....
*/

// redirect to landing page for second handshake
header('Location: ' . $checkData['url']);
exit;
}
?>


Transaction Return Page

This page will call soap call isExternalBDRIDCommitted as second handshake to confirm the transaction.

File: transaction_return.php

<?php
// call soap method isExternalBDRIDCommitted and return all necessary information as array
$committed = $api->isCommitted();

if (!empty($committed)) {
// soap status
if ($committed['return'] == ture) {
/**
* ... update transaction as completed ....
*/

echo "Transaction successfull!";
} else {
/**
* ... update transaction as fault ....
*/

echo "Transaction cancelled";
}

$api->pr($committed); // dump result data

} else {
// other errors
echo "Transaction cancelled";

$api->pr($api->getErrors()); // dump errors for debug
}
?>


Tips

You can merge Transaction check and Transaction Return URL in same location. See the example below:

<?php
if (empty($_GET['result'])) {
// ... code for transaction check page ...
} else {
// ... code for transaction landing page ....
}
?>