gistfile1.php

<?php
        $config = array(
		'endpoint' => 'https://btrans.evertecinc.com/postwebbtrans/post.php',
		'currency_code' => '214', // DOP
		'acquiring_institution_code' => '349',
		'merchant_type' => '5311',
		'merchant_number' => '349061069      ',
		'merchant_terminal' => '300118456938 ',
		'return_url' => 'https://www.maspormenos.do/orders/payment',
		'cancel_url' => 'https://www.maspormenos.do/orders/cancel',
		'page_languaje' => 'ESP',
		'merchant_name' => 'ONLINE TRADING DOMINICANA SRL         DO',
		//'avs' => '33024 1000 ST JOHN PLACE PEMBROKE PINES FLORIDA',
		'referer' => 'https://btrans.evertecinc.com/postwebbtrans/post.php'
        );

        $temp_orden_id = str_pad(substr((int)$user_id * time(), 0, 6), 6, '0', STR_PAD_LEFT); // no se puede repetir en un mismo dia
        $temp_transaction_id = substr($user_id + time(), -6, 6); // no se puede repetir en un mismo dia

        $ip_client = '200.200.200.200'; // ip por defecto
        if (strpos($_SERVER['REMOTE_ADDR'],':') === false ) {
            $ip_client = $_SERVER['REMOTE_ADDR']; // ip del cliente que esta realizando la transaccion
        }

        $data = array(
            'CardnetTransaction' => array(
                'endpoint' => $config['endpoint'],
                'transaction_type' => '0200',
                'currency_code' => $config['currency_code'],
                'acquiring_institution_code' => $config['acquiring_institution_code'],
                'merchant_type' => $config['merchant_type'],
                'merchant_number' => $config['merchant_number'],
                'merchant_terminal' => $config['merchant_terminal'],
                'return_url' => $config['return_url'],
                'cancel_url' => $config['cancel_url'],
                'page_languaje' => $config['page_languaje'],
                'merchant_name' => $config['merchant_name'],
                'orden_id' => $temp_orden_id,
                'transaction_id' => $temp_transaction_id,
                //'avs' => $config['avs'],
                'ip_client' => $ip_client,
            ),
        );

        $this->CardnetTransaction->create($data);
        $this->CardnetTransaction->setAmount($cart['Order']['total']);
        $this->CardnetTransaction->setTax(0.0);
        $this->CardnetTransaction->refreshKeyEncryptionKey();