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PHP Version:

8.2.30

User:

u329947844

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✏️ Editing: phonepe_payment.php

<?php
require_once 'anjal_vaathi/post/db/config.php';
require_once 'anjal_vaathi/post/helpers.php';

session_start();

// PhonePe Production Credentials
$clientId = 'SU2505221444487950976979';
$clientVersion = '1';
$clientSecret = '3df19c12-ac22-43c4-bc1c-39dd470a08ad';
$environment = 'PROD';
$authBaseUrl = 'https://api.phonepe.com/apis/identity-manager';
$pgBaseUrl = 'https://api.phonepe.com/apis/pg';

// Initialize error logging
ini_set('log_errors', 1);
ini_set('error_log', '/path/to/your/php_errors.log'); // Update with your actual log path

// Function to fetch access token
function getAccessToken($clientId, $clientVersion, $clientSecret, $authBaseUrl) {
    $url = $authBaseUrl . '/v1/oauth/token';
    $data = [
        'client_id' => $clientId,
        'client_version' => $clientVersion,
        'client_secret' => $clientSecret,
        'grant_type' => 'client_credentials'
    ];

$ch = curl_init($url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Content-Type: application/x-www-form-urlencoded'
    ]);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));

$response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $curlError = curl_error($ch);
    curl_close($ch);

if ($httpCode === 200) {
        $result = json_decode($response, true);
        if (isset($result['access_token'], $result['expires_at'])) {
            return [
                'access_token' => $result['access_token'],
                'expires_at' => $result['expires_at']
            ];
        } else {
            error_log("Invalid token response: $response");
            return null;
        }
    } else {
        error_log("Token request failed: HTTP $httpCode, Error: $curlError, Response: $response");
        return null;
    }
}

// Function to create payment
function createPayment($accessToken, $pgBaseUrl, $data) {
    $url = $pgBaseUrl . '/checkout/v2/pay';
    $payload = json_encode($data);

$ch = curl_init($url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Content-Type: application/json',
        'Authorization: O-Bearer ' . $accessToken
    ]);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);

$response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $curlError = curl_error($ch);
    curl_close($ch);

if ($httpCode === 200) {
        return ['http_code' => $httpCode, 'response' => json_decode($response, true)];
    } else {
        error_log("Payment creation failed: HTTP $httpCode, Error: $curlError, Response: " . json_encode($response));
        return ['http_code' => $httpCode, 'response' => null];
    }
}

// Process payment request
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // Validate input
    $examId = isset($_POST['exam_id']) ? (int)$_POST['exam_id'] : 0;
    $planId = isset($_POST['plan_id']) ? (int)$_POST['plan_id'] : 0;
    $amount = isset($_POST['amount']) ? (int)$_POST['amount'] : 0;
    $name = isset($_POST['name']) ? trim($_POST['name']) : '';
    $mobile = isset($_POST['mobile']) ? trim($_POST['mobile']) : '';
    $email = isset($_POST['email']) ? trim($_POST['email']) : '';
    $deviceType = isset($_POST['device_type']) ? $_POST['device_type'] : 'desktop';

if (!$examId || !$planId || !$amount || !$name || !$mobile || !$email) {
        header('Location: enroll.php?exam_id=' . $examId . '&error=Missing required fields');
        exit;
    }

// Validate mobile and email
    if (!preg_match('/^[0-9]{10}$/', $mobile)) {
        header('Location: enroll.php?exam_id=' . $examId . '&error=Invalid mobile number');
        exit;
    }
    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
        header('Location: enroll.php?exam_id=' . $examId . '&error=Invalid email address');
        exit;
    }

// Generate unique merchant order ID
    $merchantOrderId = 'TX' . time() . rand(1000, 9999);

// Save order details temporarily
    try {
        $stmt = $conn->prepare("INSERT INTO orders (user_id, exam_id, plan_id, merchant_order_id, amount, status) VALUES (?, ?, ?, ?, ?, 'PENDING')");
        $stmt->bind_param("iiisi", $_SESSION['user_id'], $examId, $planId, $merchantOrderId, $amount);
        $stmt->execute();
        $stmt->close();
    } catch (Exception $e) {
        error_log("Error saving order: " . $e->getMessage());
        header('Location: enroll.php?exam_id=' . $examId . '&error=Failed to initiate payment');
        exit;
    }

// Fetch access token
    $tokenData = getAccessToken($clientId, $clientVersion, $clientSecret, $authBaseUrl);
    if (!$tokenData) {
        header('Location: enroll.php?exam_id=' . $examId . '&error=Failed to authenticate with PhonePe');
        exit;
    }

// Prepare payment data with GET parameters in redirect URL
    $redirectParams = http_build_query([
        'merchantOrderId' => $merchantOrderId,
        'amount' => $amount,
        'exam_id' => $examId,
        'plan_id' => $planId,
        'name' => $name,
        'mobile' => $mobile,
        'email' => $email
    ]);
    $redirectUrl = 'https://hifi11.in/anjal_vaathi/post/payment_callback.php?' . $redirectParams;

$paymentData = [
        'merchantOrderId' => $merchantOrderId,
        'amount' => $amount, // Amount in paisa
        'expireAfter' => 1200, // 20 minutes
        'metaInfo' => [
            'udf1' => $name,
            'udf2' => $email,
            'udf3' => $mobile,
            'udf4' => (string)$examId,
            'udf5' => (string)$planId
        ],
        'paymentFlow' => [
            'type' => 'PG_CHECKOUT',
            'message' => 'Payment for ' . $name . ' enrollment',
            'merchantUrls' => [
                'redirectUrl' => $redirectUrl
            ]
        ]
    ];

// Add payment mode config for mobile (UPI_INTENT) or desktop (UPI_QR)
    if ($deviceType === 'mobile') {
        $paymentData['paymentFlow']['paymentModeConfig'] = [
            'enabledPaymentModes' => [
                ['type' => 'UPI_INTENT']
            ]
        ];
    } else {
        $paymentData['paymentFlow']['paymentModeConfig'] = [
            'enabledPaymentModes' => [
                ['type' => 'UPI_QR']
            ]
        ];
    }

// Create payment
    $paymentResponse = createPayment($tokenData['access_token'], $pgBaseUrl, $paymentData);

if ($paymentResponse['http_code'] === 200 && isset($paymentResponse['response']['redirectUrl'])) {
        header('Location: ' . $paymentResponse['response']['redirectUrl']);
        exit;
    } else {
        error_log("Payment creation failed: " . json_encode($paymentResponse));
        header('Location: enroll.php?exam_id=' . $examId . '&error=Failed to create payment');
        exit;
    }
} else {
    header('Location: enroll.php?error=Invalid request method');
    exit;
}
?>

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