payza_m.php

## payza_m.php
<?php

defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * The Payza Gateway
 *
 * @subpackage	Gateway
 * @category	Payments
 */

class Payza_m extends Gateway {

	public $title = 'Payza';
	public $frontend_title = 'Payza';
	public $version = '1.0';
	public $fee = null;
	public $autosubmit = true;

	public function __construct() {
		parent::__construct(__CLASS__);

		$this->fields = array(
			'merchant_id' => "Payza Email",
			'merchant_key' => "Security Code"
		);
	}

	public function generate_payment_form($unique_id, $item_name, $amount, $success, $cancel, $notify, $currency_code) {
		# Let's round the amount.
		$amount = round($amount, 2);

			return '<form method="post" action="https://secure.payza.com/checkout" name="payza_form"><input type="hidden" name="ap_purchasetype" value="item"/><input type="hidden" name="ap_merchant" value="'.$this->get_field('merchant_id').'"/><input type="hidden" name="ap_itemname" value="'.$item_name.'"/><input type="hidden" name="ap_currency" value="'.$currency_code.'"/><input type="hidden" name="ap_returnurl" value="'.$success.'"/><input type="hidden" name="ap_cancelurl" value="'.$cancel.'"/><input type="hidden" name="ap_quantity" value="1"/><input type="hidden" name="ap_amount" value="'.$amount.'"/><input type="hidden" name="ap_itemcode" value="'.$unique_id.'"/><input type="hidden" name="ap_alerturl" value="'.$notify.'"/><input type="hidden" name="ap_ipnversion" value="1"/><input type="image" name="ap_image" src="https://www.payza.com/images/payza-buy-now.png"/></form>';

	}

	public function process_notification($unique_id) {
		//Definitions
		$merchant_id = $this->get_field('merchant_id');  // Your Merchant ID
		$merchant_key = $this->get_field('merchant_key');  // Your Merchant Key

		if ($merchant_key == $_POST['ap_securitycode'] AND $merchant_id == $_POST['ap_merchant']) {

			if($_POST['ap_status']=="Success") {

				return array(
					'txn_id' => $_POST['ap_referencenumber'], // the gateway transaction ID
					'payment_gross' => number_format($_POST['ap_totalamount'],2), // the amount paid, rounded to 2 decimal places
					'transaction_fee' => number_format($_POST['ap_feeamount'],2), // the fee charged by the gateway, rounded to 2 decimal places
					'payment_date' => time(), // a UNIX timestamp for the payment date
					'payment_status' => 'Completed', // One of: Completed/Pending/Refunded/Unpaid
					'item_name' => $_POST['ap_itemname'], // the item name (passed to the gateway in generate_payment_form())
					'is_paid' => true, // true or false, depending on whether payment was successful or not
				);

			}

		}

	}

}