<?php
$uniteller = new \Tmconsulting\Uniteller\Client();
$uniteller->setShopId('you_shop_id');
$uniteller->setLogin('you_login_number');
$uniteller->setPassword('you_password');
$uniteller->setBaseUri('https://wpay.uniteller.ru');

<?php
use Tmconsulting\Uniteller\Payment\PaymentBuilder;

$builder = new PaymentBuilder();
$builder
    ->setOrderIdp(mt_rand(10000, 99999))
    ->setSubtotalP(10)
    ->setCustomerIdp(mt_rand(10000, 99999))
    ->setUrlReturnOk('http://google.ru/?q=success')
    ->setUrlReturnNo('http://google.ru/?q=failure');

$uniteller->payment($builder)->go();
// if you don't need redirect
// $uniteller->payment($builder)->getUri();

<?php
$uniteller->payment([
    'Order_IDP' => mt_rand(10000, 99999),
    // ... other parameters
])->go();

<?php
use Tmconsulting\Uniteller\Recurrent\RecurrentBuilder;

$builder = (new RecurrentBuilder())
    ->setOrderIdp(mt_rand(10000, 99999))
    ->setSubtotalP(15)
    ->setParentOrderIdp(00000) // order id of any past payment
    ->setParentShopIdp($uniteller->getShopId()); // optional

$results = $uniteller->recurrent($builder);

<?php
$results = $uniteller->recurrent([
    'Order_IDP' => mt_rand(10000, 99999),
    // ... other parameters
]);

<?php
use Tmconsulting\Uniteller\Cancel\CancelBuilder;

$builder = (new CancelBuilder())->setBillNumber('RRN Number, (12 digits)');
$results = $uniteller->cancel($builder);

<?php
use Tmconsulting\Uniteller\Order\Status;

$results = $uniteller->cancel([
    'Billnumber' => 'RRN Number, (12 digits)',
    // ...
]);

foreach ($results as $payment) {
    // see Tmconsulting\Uniteller\Order\Order for other methods.
    if ($payment->getStatus() === Status::CANCELLED) {
        // payment was cancelled
    }    
} 

<?php

$results = $uniteller->results([
    'ShopOrderNumber' => 'Order_IDP number'
]);

var_dump($results);

// $results[0]->getCardNumber();

<?php
if (! $uniteller->verifyCallbackRequest(['all_parameters_from_post_with_signature'])) {
    return 'invalid_signature';
}