Paypal Integration With Codeigniter

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Paypal.php Config file

<?php

/** set your paypal credential **/

$config['client_id'] = 'AYi10safNdkX9w4w6MczQe_AfryNYeD0UNHXOLIP',KXybxd';

$config['secret'] = 'EOJnyv3L-JcbquvkUc7XOWpgdNUBj9H0l4PhVZvzdnfghsH1J974';

/**

* SDK configuration

/**

* Available option 'sandbox' or 'live'

$config['settings'] = array(

'mode' => 'sandbox',

/**

* Specify the max request time in seconds

'http.ConnectionTimeOut' => 1000,

/**

* Whether want to log to a file

'log.LogEnabled' => true,

/**

* Specify the file that want to write on

'log.FileName' => 'application/logs/paypal.log',

/**

* Available option 'FINE', 'INFO', 'WARN' or 'ERROR'

* Logging is most verbose in the 'FINE' level and decreases as you

* proceed towards ERROR

'log.LogLevel' => 'FINE'

);

Paypal.php Controller

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

include_once './vendor/autoload.php';

use PayPal\Api\ItemList;

use PayPal\Api\Payment;

use PayPal\Api\RedirectUrls;

use PayPal\Api\PaymentExecution;

class Paypal extends CI_Controller

{

public $_api_context;

function __construct()

{

parent::__construct();

$this->load->library('session');

$this->load->model('paypal_model', 'paypal');

// paypal credentials

$this->config->load('paypal');

$this->_api_context = new \PayPal\Rest\ApiContext(

new \PayPal\Auth\OAuthTokenCredential(

$this->config->item('client_id'), $this->config->item('secret')

)

);

}

function index(){

$this->load->view('include/header');

$this->load->view('content/buy_form');

$this->load->view('include/footer');

}

function create_payment_with_paypal()

{

// setup PayPal api context

$this->_api_context->setConfig($this->config->item('settings'));

// ### Payer

// A resource representing a Payer that funds a payment

// For direct credit card payments, set payment method

// to 'credit_card' and add an array of funding instruments.

$payer['payment_method'] = 'paypal';

// ### Itemized information

// (Optional) Lets you specify item wise

// information

$item1["name"] = $this->input->post('item_name');

$item1["sku"] = $this->input->post('item_number'); // Similar to `item_number` in Classic API

$item1["description"] = $this->input->post('item_description');

$item1["currency"] ="USD";

$item1["quantity"] =1;

$item1["price"] = $this->input->post('item_price');

$itemList = new ItemList();

$itemList->setItems(array($item1));

// ### Additional payment details

// Use this optional field to set additional

// payment information such as tax, shipping

// charges etc.

$details['tax'] = $this->input->post('details_tax');

$details['subtotal'] = $this->input->post('details_subtotal');

// ### Amount

// Lets you specify a payment amount.

// You can also specify additional details

// such as shipping, tax.

$amount['currency'] = "USD";

$amount['total'] = $details['tax'] + $details['subtotal'];

$amount['details'] = $details;

// ### Transaction

// A transaction defines the contract of a

// payment - what is the payment for and who

// is fulfilling it.

$transaction['description'] ='Payment description';

$transaction['amount'] = $amount;

$transaction['invoice_number'] = uniqid();

$transaction['item_list'] = $itemList;

// ### Redirect urls

// Set the urls that the buyer must be redirected to after

// payment approval/ cancellation.

$baseUrl = base_url();

$redirectUrls = new RedirectUrls();

$redirectUrls->setReturnUrl($baseUrl."paypal/getPaymentStatus")

->setCancelUrl($baseUrl."paypal/getPaymentStatus");

// ### Payment

// A Payment Resource; create one using

// the above types and intent set to sale 'sale'

$payment = new Payment();

$payment->setIntent("sale")

->setPayer($payer)

->setRedirectUrls($redirectUrls)

->setTransactions(array($transaction));

try {

$payment->create($this->_api_context);

} catch (Exception $ex) {

// NOTE: PLEASE DO NOT USE RESULTPRINTER CLASS IN YOUR ORIGINAL CODE. FOR SAMPLE ONLY

ResultPrinter::printError("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", null, $ex);

exit(1);

}

foreach($payment->getLinks() as $link) {

if($link->getRel() == 'approval_url') {

$redirect_url = $link->getHref();

break;

}

if(isset($redirect_url)) {

/** redirect to paypal **/

redirect($redirect_url);

}

$this->session->set_flashdata('success_msg','Unknown error occurred');

redirect('paypal/index');

}

public function getPaymentStatus()

{

// echo "<pre>";

// print_r($this->input->get());exit;

// paypal credentials

/** Get the payment ID before session clear **/

$payment_id = $this->input->get("paymentId") ;

$PayerID = $this->input->get("PayerID") ;

$token = $this->input->get("token") ;

/** clear the session payment ID **/

if (empty($PayerID) || empty($token)) {

$this->session->set_flashdata('success_msg','Payment failed');

redirect('paypal/index');

}

$payment = Payment::get($payment_id,$this->_api_context);

/** PaymentExecution object includes information necessary **/

/** to execute a PayPal account payment. **/

/** The payer_id is added to the request query parameters **/

/** when the user is redirected from paypal back to your site **/

$execution = new PaymentExecution();

$execution->setPayerId($this->input->get('PayerID'));

/**Execute the payment **/

$result = $payment->execute($execution,$this->_api_context);

// echo "<pre>";

// print_r($result);exit;

// DEBUG RESULT, remove it later **/

if ($result->getState() == 'approved') {

$trans = $result->getTransactions();

// item info

$Subtotal = $trans[0]->getAmount()->getDetails()->getSubtotal();

$Tax = $trans[0]->getAmount()->getDetails()->getTax();

$payer = $result->getPayer();

// payer info //

$PaymentMethod =$payer->getPaymentMethod();

$PayerStatus =$payer->getStatus();

$PayerMail =$payer->getPayerInfo()->getEmail();

$relatedResources = $trans[0]->getRelatedResources();

$sale = $relatedResources[0]->getSale();

// sale info //

$saleId = $sale->getId();

$CreateTime = $sale->getCreateTime();

$UpdateTime = $sale->getUpdateTime();

$State = $sale->getState();

$Total = $sale->getAmount()->getTotal();

/** it's all right **/

/** Here Write your database logic like that insert record or value in database if you want **/

$this->paypal->create($Total,$Subtotal,$Tax,$PaymentMethod,$PayerStatus,$PayerMail,$saleId,$CreateTime,$UpdateTime,$State);

$this->session->set_flashdata('success_msg','Payment success');

redirect('paypal/success');

}

$this->session->set_flashdata('success_msg','Payment failed');

redirect('paypal/cancel');

}

function success(){

$this->load->view('include/header');

$this->load->view('content/success');

$this->load->view('include/footer');

}

function cancel(){

$this->paypal->create_payment();

$this->load->view('include/header');

$this->load->view('content/cancel');

$this->load->view('include/footer');

}

Paypal_model.php Model

<?php

if (!defined('BASEPATH'))

exit('No direct script access allowed');

class Paypal_model extends CI_Model {

function __construct() {

parent::__construct();

}

/* This function create new Service. */

function create($Total,$SubTotal,$Tax,$PaymentMethod,$PayerStatus,$PayerMail,$saleId,$CreateTime,$UpdateTime,$State) {

$this->db->set('txn_id',$saleId);

$this->db->set('PaymentMethod',$PaymentMethod);

$this->db->set('PayerStatus',$PayerStatus);

$this->db->set('PayerMail',$PayerMail);

$this->db->set('Total',$Total);

$this->db->set('SubTotal',$SubTotal);

$this->db->set('Tax',$Tax);

$this->db->set('Payment_state',$State);

$this->db->set('CreateTime',$CreateTime);

$this->db->set('UpdateTime',$UpdateTime);

$this->db->insert('payments');

$id = $this->db->insert_id();

return $id;

}

buy_form.php View

<h1>PayPal Payment</h1>

</div>

<p class="notice error"><?= $this->session->flashdata('error_msg') ?></p><br/>

<p class="notice error"><?= $this->session->flashdata('success_msg') ?></p><br/>

<form method="post" class="form-horizontal" role="form" action="<?= base_url() ?>paypal/create_payment_with_paypal">

</div>

</fieldset>

</form>

</div>

</div>

success.php View

<h1>PayPal Payment</h1>

</div>

<p class="notice error"><?= $this->session->flashdata('error_msg') ?></p><br/>

<p class="notice error"><?= $this->session->flashdata('success_msg') ?></p><br/>

<form method="post" class="form-horizontal" role="form" action="<?= base_url() ?>paypal/create_payment_with_paypal">

</div>

</fieldset>

</form>

</div>

</div>

cancel.php View

<h1>PayPal Payment</h1>

<p class="lead">Canceld order</p>

</div>

<div>

<h3 style="font-family: 'quicksandbold'; font-size:16px; color:#313131; padding-bottom:8px;">Dear Member</h3>

<span style="color:#D70000; font-size:16px; font-weight:bold;">We are sorry! Your last transaction was cancelled.</span>

</div>

</div>

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Paypal Integration With Codeigniter

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