Форма оплаты

<?php

switch ($modx->event->name) {
	case 'OnWebPageInit':
		$isAjax = !empty($_SERVER['HTTP_X_REQUESTED_WITH']) AND $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest';
		if (empty($_REQUEST['magic_action'])) {
			return;
		}
		$ctx = !empty($_REQUEST['ctx']) ? (string)$_REQUEST['ctx'] : 'web';
		if ($ctx != 'web') {
			$modx->switchContext($ctx);
		}
		/* @var miniShop2 $miniShop2 */
		$miniShop2 = $modx->getService('minishop2');
		$miniShop2->initialize($ctx, array('json_response' => $isAjax));
		if (!($miniShop2 instanceof miniShop2)) {
			@session_write_close();
			exit('Could not initialize miniShop2');
		}
		$cart = $miniShop2->cart;
		$order = $miniShop2->order;
		foreach ($_POST as $field => $value) {
			$value = $order->validate($field, $value);
			if (empty($value) OR (!$value)) {
				$response = $miniShop2->error('Вы должны заполнить требуемые поля', array($field => $value));
				@session_write_close();
		    exit($response);
			}
			$comment .= $field.": ".$value."\r\n";
			$properties[$field] = $value;
		}
		// set
		$id = $_POST['id'];
		$receiver = $_POST['receiver'];
		$email = $_POST['email'];
		$class = $_POST['class'];
		$count = $_POST['count'];
		if (!$modx->getCount('modResource', array('id' => $id, 'published' => 1, 'deleted' => 0))) {
			$response = $miniShop2->error('Данный билет нельзя приобрести!');
			@session_write_close();
		  exit($response);
		}
		// cart
		$cart->clean();
		$cart->add($id, $count, array(
			'receiver' => $receiver,
			'class' => $class,
		));
		$status = $cart->status();
		if (empty($status['total_count'])) {
			$response = $miniShop2->error('Ошибка инициализации покупки!');
			@session_write_close();
		  exit($response);
		}
		// order
		$order->clean();
		$order->set(array(
				'email' => $email,
				'receiver' => $receiver,
				'phone' => '',
				'delivery' => 1,
				'payment' => 3, // msMerchant
				'index' => ' ',
				'address' => ' ',
				'comment' => $comment,
				'properties' => $modx->toJSON($properties)
			)
		);
		$response = $miniShop2->order->submit(array(
			''
		));

		@session_write_close();
		exit($response);

		break;
}