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drmonkeyninjadrmonkeyninja
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Diff for: ‎.editorconfig

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; This file is for unifying the coding style for different editors and IDEs.
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; More information at http://editorconfig.org
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root = true
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[*]
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indent_style = space
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indent_size = 4
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charset = "utf-8"
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end_of_line = lf
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insert_final_newline = true
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trim_trailing_whitespace = true

Diff for: ‎.gitignore

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vendor/
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.vscode/

Diff for: ‎composer.json

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{
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"require": {
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"paypal/rest-api-sdk-php": "^1.13"
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}
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}

Diff for: ‎composer.lock

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Diff for: ‎create_payments.sql

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CREATE TABLE IF NOT EXISTS `payments` (
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`id` int(6) NOT NULL AUTO_INCREMENT,
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`transaction_id` varchar(20) NOT NULL,
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`payment_amount` decimal(7,2) NOT NULL,
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`payment_status` varchar(25) NOT NULL,
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`invoice_id` varchar(25) NOT NULL,
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`createdtime` datetime NOT NULL,
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PRIMARY KEY (`id`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;

Diff for: ‎src/bootstrap.php

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<?php
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use PayPal\Rest\ApiContext;
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use PayPal\Auth\OAuthTokenCredential;
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require '../vendor/autoload.php';
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// For test payments we want to enable the sandbox mode. If you want to put live
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// payments through then this setting needs changing to `false`.
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$enableSandbox = true;
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// PayPal settings. Change these to your account details and the relevant URLs
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// for your site.
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$paypalConfig = [
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'client_id' => 'your-paypal-api-client-id',
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'client_secret' => 'your-paypal-api-client-secret',
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'return_url' => 'http://example.com/response.php',
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'cancel_url' => 'http://example.com/payment-cancelled.html'
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];
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// Database settings. Change these for your database configuration.
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$dbConfig = [
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'host' => 'localhost',
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'username' => 'user',
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'password' => 'secret',
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'name' => 'example_database'
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];
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$apiContext = getApiContext($paypalConfig['client_id'], $paypalConfig['client_secret'], $enableSandbox);
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/**
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* Set up a connection to the API
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*
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* @param string $clientId
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* @param string $clientSecret
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* @param bool $enableSandbox Sandbox mode toggle, true for test payments
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* @return \PayPal\Rest\ApiContext
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*/
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function getApiContext($clientId, $clientSecret, $enableSandbox = false)
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{
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$apiContext = new ApiContext(
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new OAuthTokenCredential($clientId, $clientSecret)
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);
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$apiContext->setConfig([
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'mode' => $enableSandbox ? 'sandbox' : 'live'
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]);
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return $apiContext;
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}

Diff for: ‎src/index.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>PayPal REST API Example</title>
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</head>
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<body>
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<form class="paypal" action="request.php" method="post" id="paypal_form">
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<input type="hidden" name="item_number" value="123456" / >
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<input type="submit" name="submit" value="Submit Payment"/>
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</form>
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</body>
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</html>

Diff for: ‎src/payment-cancelled.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>PayPal REST API Example - Cancelled</title>
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</head>
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<body>
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<h1>Payment Cancelled</h1>
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</body>
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</html>

Diff for: ‎src/payment-successful.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>PayPal REST API Example - Success</title>
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</head>
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<body>
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<h1>Successful Payment</h1>
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</body>
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</html>

Diff for: ‎src/request.php

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<?php
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use PayPal\Api\Amount;
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use PayPal\Api\Payer;
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use PayPal\Api\Payment;
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use PayPal\Api\RedirectUrls;
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use PayPal\Api\Transaction;
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require 'bootstrap.php';
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if (empty($_POST['item_number'])) {
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throw new Exception('This script should not be called directly, expected post data');
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}
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$payer = new Payer();
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$payer->setPaymentMethod('paypal');
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// Set some example data for the payment.
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$currency = 'GBP';
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$amountPayable = 10.00;
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$invoiceNumber = uniqid();
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$amount = new Amount();
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$amount->setCurrency($currency)
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->setTotal($amountPayable);
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$transaction = new Transaction();
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$transaction->setAmount($amount)
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->setDescription('Some description about the payment being made')
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->setInvoiceNumber($invoiceNumber);
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$redirectUrls = new RedirectUrls();
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$redirectUrls->setReturnUrl($paypalConfig['return_url'])
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->setCancelUrl($paypalConfig['cancel_url']);
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$payment = new Payment();
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$payment->setIntent('sale')
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->setPayer($payer)
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->setTransactions([$transaction])
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->setRedirectUrls($redirectUrls);
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try {
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$payment->create($apiContext);
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} catch (Exception $e) {
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throw new Exception('Unable to create link for payment');
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}
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header('location:' . $payment->getApprovalLink());
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exit(1);

Diff for: ‎src/response.php

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<?php
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use PayPal\Api\Payment;
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use PayPal\Api\PaymentExecution;
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require 'bootstrap.php';
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if (empty($_GET['paymentId']) || empty($_GET['PayerID'])) {
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throw new Exception('The response is missing the paymentId and PayerID');
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}
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$paymentId = $_GET['paymentId'];
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$payment = Payment::get($paymentId, $apiContext);
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$execution = new PaymentExecution();
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$execution->setPayerId($_GET['PayerID']);
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try {
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// Take the payment
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$payment->execute($execution, $apiContext);
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try {
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$db = new mysqli($dbConfig['host'], $dbConfig['username'], $dbConfig['password'], $dbConfig['name']);
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$payment = Payment::get($paymentId, $apiContext);
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$data = [
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'transaction_id' => $payment->getId(),
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'payment_amount' => $payment->transactions[0]->amount->total,
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'payment_status' => $payment->getState(),
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'invoice_id' => $payment->transactions[0]->invoice_number
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];
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if (addPayment($data) !== false && $data['payment_status'] === 'approved') {
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// Payment successfully added, redirect to the payment complete page.
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header('location:payment-successful.html');
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exit(1);
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} else {
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// Payment failed
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}
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} catch (Exception $e) {
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// Failed to retrieve payment from PayPal
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}
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} catch (Exception $e) {
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// Failed to take payment
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}
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/**
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* Add payment to database
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*
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* @param array $data Payment data
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* @return int|bool ID of new payment or false if failed
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*/
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function addPayment($data)
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{
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global $db;
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if (is_array($data)) {
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$stmt = $db->prepare('INSERT INTO `payments` (transaction_id, payment_amount, payment_status, invoice_id, createdtime) VALUES(?, ?, ?, ?, ?)');
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$stmt->bind_param(
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'sdsss',
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$data['transaction_id'],
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$data['payment_amount'],
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$data['payment_status'],
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$data['invoice_id'],
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date('Y-m-d H:i:s')
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);
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$stmt->execute();
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$stmt->close();
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return $db->insert_id;
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}
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return false;
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}

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