Paypal Recurring Payments PHP REST API Example

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Paypal Recurring Payments PHP REST API Example

There are the Following The simple About Paypal Recurring Payments PHP REST API Example Full Information With Example and payment gateway in php source code.

As I will cover this Post with live Working example to develop Paypal Recurring Payments for Installment Plan in PHP, so the Recurring payments using Paypal Merchant SDK or Paypal REST API is used for this example is following below.

Handling Recurring Payments in PHP Source code

app_name/index.php

<?php 
require 'src/init_model.php';


if (!empty($_GET['status'])) {
    if($_GET['status'] == "success") {



        $plan_id = $db->prepare("
            SELECT plan_id
            FROM user_transactions_dtl
            WHERE hash = :hash
            ");
        $plan_id->execute([
            'hash' => $_SESSION['tamil_hash']
        ]);

        $plan_id = $plan_id->fetchObject()->plan_id;


        $token = $_GET['token'];
        $agreement = new \PayPal\Api\Agreement();
        
        try {
            // Execute agreement
            $agreement->execute($token, $devApiData);



            //Update transaction

            $updateTransaction = $db->prepare("
                UPDATE user_transactions_dtl
                SET complete = 1
                WHERE plan_id = :plan_id
                ");

            $updateTransaction->execute([
                'plan_id' => $plan_id
            ]);

            // Set the user as broker
            $setMember = $db->prepare("
                UPDATE users
                SET broker = 1
                WHERE id = :broker_id
                ");

            $setMember->execute([
                'broker_id' => $_SESSION['broker_id']
            ]);

            //Unset paypal Hash
            unset($_SESSION['tamil_hash']);
            header('Location: ../app_name/paypal/complete.php');

        } catch (PayPal\Exception\PayPalConnectionException $ex) {
            header("Location: ../app_name/paypal/error.php");
            echo $ex->getCode();
            echo $ex->getData();
            die($ex);
        } catch (Exception $ex) {
            header("Location: ../app_name/paypal/error.php");
            die($ex);
        }
    } else {
        echo "user canceled agreement";
        header('Location: ../app_name/paypal/cancelled.php');
    }
    exit;
}

if (! empty($_POST["subscribe"])) {
    require_once "./src/createSubscriptionPlan.php";
}

?>


<!DOCTYPE html>
<html>
<head>
<title>how to setup recurring payments in paypal</title>
<style>
    body {
        font-family: Arial;
        color: #212121;
    }

    #subscription-plan {
        padding: 20px;
        border: #E0E0E0 2px solid;
        text-align: center;
        width: 200px;
        border-radius: 3px;
        margin: 40px auto;
    }

    .plan-info {
        font-size: 1em;
    }

    .plan-desc {
        margin: 10px 0px 20px 0px;
        color: #a3a3a3;
        font-size: 0.95em;
    }

    .price {
        font-size: 1.5em;
        padding: 30px 0px;
        border-top: #f3f1f1 1px solid;
    }

    .btn-subscribe {
        padding: 10px;
        background: #e2bf56;
        width: 100%;
        border-radius: 3px;
        border: #d4b759 1px solid;
        font-size: 0.95em;
    }
</style>
</head>
<body>
<div id="pakainfo subscription-plan">
    <div class="plan-info">Golden</div>
    <div class="plan-desc">Read Golden.</div>
    <div class="price">$45 / month</div>

    <div>
        <form method="post">

            <input type="hidden" name="plan_name"
                value="golden" /> <input type="hidden"
                name="plan_description"
                value="simple Web PHP flexify Example." />

            <?php if($user->broker): ?>
                <p>You are a broker!</p>
            <?php else: ?>
                <p>You are not a broker!</p>
                <input type="submit" name="subscribe" value="Subscribe"
                class="btn-subscribe" />
            <?php endif; ?> 


        </form>
    </div>
</div>
</body>
</html>

app_name/composer.json

{
    "require": {
        "paypal/rest-api-sdk-php": "*"
    }
}

run bellow Commands

cd/app_name> composer update

app_name/src/init_model.php

<?php

use PayPal\Rest\ApiContext;
use PayPal\Auth\OAuthTokenCredential;

session_start();

$_SESSION['broker_id'] = 1;

require __DIR__ . '/../vendor/autoload.php';

// API
$devApiData = new ApiContext(
  new OAuthTokenCredential(
    'KLn3rLlkDFGHcCpTytgRRn_K692qwc4dd3yFGxOzedrwFFhj-DMA4866qaRwurhgA1QE7jyTtfjbgEDX',
    'FJDD8DFDRuEsmL3HelvjE0CmqscVKG9eM3jYY9GoxYDd75YUY5CacZSITwVgxWED8Di_TbFHuTiNCy-U'
  )
);

/*$devApiData->setConfig([
	'mode' => 'sandbox',
	'http.ConnectionTimeOut' => 30,
	'log.LogEnabled' => false,
	'log.FileName' => '',
	'log.LogLevel' => 'FINE',
	'validation.level' => 'log'
]);*/

$db = new PDO('mysql:host=localhost;dbname=paypal_site', 'root', '');

$user = $db->prepare("select * from users where id= :broker_id");

$user->execute(['broker_id' => $_SESSION['broker_id']]);
$user = $user->fetchObject();

app_name/src/createSubscriptionPlan.php

<?php

use PayPal\Api\ChargeModel;
use PayPal\Api\Currency;
use PayPal\Api\MerchantPreferences;
use PayPal\Api\PaymentDefinition;
use PayPal\Api\Plan;
use PayPal\Api\Patch;
use PayPal\Api\PatchRequest;
use PayPal\Common\PayPalModel;

require 'init_model.php';
// Create a new billing plan
if (! empty($_POST["plan_name"]) && ! empty($_POST["plan_description"])) {

$plan = new Plan();
$plan->setName($_POST["plan_name"])
    ->setDescription($_POST["plan_description"])
    ->setType('FIXED');

// Set billing plan definitions
$paymentDefinition = new PaymentDefinition();
$paymentDefinition->setName('Regular Payments')
    ->setType('REGULAR')
    ->setFrequency('DAY')
    ->setFrequencyInterval('1')
    ->setCycles('3')
    ->setAmount(new Currency(array(
    'value' => 3,
    'currency' => 'USD'
)));

// Set charge models
$chargeModel = new ChargeModel();
$chargeModel->setType('SHIPPING')->setAmount(new Currency(array(
    'value' => 1,
    'currency' => 'USD'
)));
$paymentDefinition->setChargeModels(array(
    $chargeModel
));

// Set merchant preferences
$merchantPreferences = new MerchantPreferences();
$merchantPreferences->setReturnUrl('http://localhost/app_name/index.php?status=success')
    ->setCancelUrl('http://localhost/app_name/index.php?status=cancel')
    ->setAutoBillAmount('yes')
    ->setInitialFailAmountAction('CONTINUE')
    ->setMaxFailAttempts('0')
    ->setSetupFee(new Currency(array(
    'value' => 1,
    'currency' => 'USD'
)));

$plan->setPaymentDefinitions(array(
    $paymentDefinition
));

$plan->setMerchantPreferences($merchantPreferences);

    try {
        $livePlan = $plan->create($devApiData);
        
        //Generate and store hash
        $hash = md5($livePlan->getId());
        $_SESSION['tamil_hash'] = $hash; 

            //transaction storage
        $store = $db->prepare("
            INSERT INTO user_transactions_dtl (broker_id, plan_id, hash, complete)
            VALUES (:broker_id, :plan_id, :hash, 0)
            ");

        $store->execute([
            'broker_id' => $_SESSION['broker_id'],
            'plan_id' => $livePlan->getId(),
            'hash' => $hash
        ]);

        try {
            $patch = new Patch();
            $value = new PayPalModel('{"state":"ACTIVE"}');
            $patch->setOp('replace')
                ->setPath('/')
                ->setValue($value);
            $patchRequest = new PatchRequest();
            $patchRequest->addPatch($patch);
            $livePlan->update($patchRequest, $devApiData);
            $patchedPlan = Plan::get($livePlan->getId(), $devApiData);
            
            require_once "createSubscriptionAgreement.php";
        } catch (PayPal\Exception\PayPalConnectionException $ex) {
            echo $ex->getCode();
            echo $ex->getData();
            die($ex);
        } catch (Exception $ex) {
            die($ex);
        }
    } catch (PayPal\Exception\PayPalConnectionException $ex) {
        echo $ex->getCode();
        echo $ex->getData();
        die($ex);
    } catch (Exception $ex) {
        die($ex);
    }
}
?>

app_name/src/createSubscriptionAgreement.php

<?php
use PayPal\Api\Agreement;
use PayPal\Api\Payer;
use PayPal\Api\ShippingAddress;
use PayPal\Api\Plan;

// Create a simple new agreement
$startDate = date('c', time() + 3600);
$agreement = new Agreement();
$agreement->setName('Pakainfo Golden Plan Subscription Agreement')
    ->setDescription('Pakainfo Golden Plan Subscription Billing Agreement')
    ->setStartDate($startDate);

//here choose or Set plan id
$plan = new Plan();
$plan->setId($patchedPlan->getId());
$agreement->setPlan($plan);

// here Add payer type
$payer = new Payer();
$payer->setPaymentMethod('paypal');
$agreement->setPayer($payer);

//simple Adding shipping details
$shippingAddress = new ShippingAddress();
$shippingAddress->setLine1('9, swati park')
    ->setCity('Rajkot')
    ->setState('IN')
    ->setPostalCode('360001')
    ->setCountryCode('US');
$agreement->setShippingAddress($shippingAddress);

try {
    // Create a simple main user agreement
    $agreement = $agreement->create($devApiData);
    
    // Extract success approval URL to redirect user
    $approvalUrl = $agreement->getApprovalLink();
    
    header("Location: " . $approvalUrl);
    exit();
} catch (PayPal\Exception\PayPalConnectionException $ex) {
    echo $ex->getCode();
    echo $ex->getData();
    die($ex);
} catch (Exception $ex) {
    die($ex);
}
?>

app_name/paypal/cancelled.php

<!DOCTYPE html>
<html>
<head><title>Recurring payment in paypal every month in php</title></head>
<body>
 <p>You Cancelled.</p>
</body>
</html>

app_name/paypal/complete.php

<!DOCTYPE html>
<html>
<head><title>Setting up PayPal Recurring Payments in PHP</title></head>
<body>
 <p>Payment complete. <a href="../index.php">Go Home</a></p>
</body>
</html>

app_name/paypal/error.php

<!DOCTYPE html>
<html>
<head><title>PayPal recurring payments API</title></head>
<body>
 <p>Something Went Wrong.</p>
</body>
</html>

MySQL Database structure

Table structure for table `trans_details`

CREATE TABLE `trans_details` (
  `id` int(10) UNSIGNED NOT NULL,
  `broker_id` int(11) NOT NULL,
  `plan_id` varchar(255) NOT NULL,
  `hash` varchar(255) NOT NULL,
  `complete` tinyint(1) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Indexes for table `trans_details`

ALTER TABLE `trans_details`
  ADD PRIMARY KEY (`id`);

Table structure for table `users_dtl`

CREATE TABLE `users_dtl` (
  `id` int(10) UNSIGNED NOT NULL,
  `username` varchar(20) DEFAULT NULL,
  `email` varchar(255) DEFAULT NULL,
  `broker` tinyint(1) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Dumping data for table `users_dtl`

INSERT INTO `users_dtl` (`id`, `username`, `email`, `broker`) VALUES
(1, 'modi124', '[email protected]_name.com', 0);

Indexes for table `users_dtl`

ALTER TABLE `users_dtl`
  ADD PRIMARY KEY (`id`);

--
-- AUTO_INCREMENT for table `users_dtl`
--

ALTER TABLE `users_dtl`
  MODIFY `id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=2;
COMMIT;

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