PHP code example of carllee / line-pay-online-v4

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

carllee / line-pay-online-v4 example snippets

use LinePay\Core\Config\LinePayConfig;
use LinePay\Online\LinePayClient;
use LinePay\Online\Domain\PaymentPackage;
use LinePay\Online\Domain\PaymentProduct;
use LinePay\Online\Enums\Currency;

// Create configuration
$config = new LinePayConfig(
    channelId: getenv('LINE_PAY_CHANNEL_ID'),
    channelSecret: getenv('LINE_PAY_CHANNEL_SECRET'),
    env: 'sandbox'
);

// Create client
$client = new LinePayClient($config);

// Create a package with products
$package = new PaymentPackage(id: 'PKG-001', amount: 1000);
$package->addProduct(new PaymentProduct(
    name: 'Product Name',
    quantity: 1,
    price: 1000
));

// Request payment using Builder Pattern
$response = $client->payment()
    ->setAmount(1000)
    ->setCurrency(Currency::TWD)
    ->setOrderId('ORDER-' . time())
    ->addPackage($package)
    ->setRedirectUrls(
        'https://example.com/confirm',
        'https://example.com/cancel'
    )
    ->send();

// Get payment URL
$paymentUrl = $response['info']['paymentUrl']['web'];

namespace App\Http\Controllers;

use LinePay\Online\LinePayClient;
use LinePay\Online\Domain\PaymentPackage;
use LinePay\Online\Enums\Currency;

class PaymentController extends Controller
{
    public function __construct(
        private LinePayClient $linePay
    ) {}

    public function createPayment()
    {
        $package = new PaymentPackage(id: 'PKG-001', amount: 1000);
        
        $response = $this->linePay->payment()
            ->setAmount(1000)
            ->setCurrency(Currency::TWD)
            ->setOrderId('ORDER-' . time())
            ->addPackage($package)
            ->setRedirectUrls(
                route('payment.confirm'),
                route('payment.cancel')
            )
            ->send();

        return redirect($response['info']['paymentUrl']['web']);
    }
}

use LinePay\Online\Laravel\LinePay;
use LinePay\Online\Enums\Currency;

// Confirm payment
$response = LinePay::confirm(
    transactionId: $request->input('transactionId'),
    amount: 1000,
    currency: 'TWD'
);

// Refund
$response = LinePay::refund($transactionId, 500);

$response = $client->payment()
    ->setAmount(1000)
    ->setCurrency(Currency::TWD)
    ->setOrderId('ORDER-001')
    ->addPackage($package)
    ->setRedirectUrls($confirmUrl, $cancelUrl)
    ->send();

$response = $client->confirm(
    transactionId: '1234567890123456789',
    amount: 1000,
    currency: Currency::TWD
);

$response = $client->capture(
    transactionId: '1234567890123456789',
    amount: 1000,
    currency: Currency::TWD
);

$response = $client->void('1234567890123456789');

// Full refund
$response = $client->refund('1234567890123456789');

// Partial refund
$response = $client->refund('1234567890123456789', 500);

$response = $client->getDetails(
    transactionIds: ['1234567890123456789'],
    orderIds: ['ORDER-001']
);

$response = $client->checkStatus('1234567890123456789');

use LinePay\Core\Errors\LinePayError;
use LinePay\Core\Errors\LinePayTimeoutError;
use LinePay\Core\Errors\LinePayValidationError;

try {
    $response = $client->confirm($transactionId, 1000, Currency::TWD);
} catch (LinePayValidationError $e) {
    // Validation error (before API call)
    echo "Validation Error: " . $e->getMessage();
} catch (LinePayTimeoutError $e) {
    // Request timeout
    echo "Timeout after " . $e->getTimeout() . " seconds";
} catch (LinePayError $e) {
    // API error
    echo "Error Code: " . $e->getReturnCode();
    echo "Error Message: " . $e->getReturnMessage();
}

// In your confirm callback handler
$order = Order::where('transaction_id', $transactionId)->first();

if ($order->status === 'PAID') {
    // Already confirmed, just show success page
    return redirect()->route('payment.success');
}

// Only call confirm if not yet paid
$response = $client->confirm($transactionId, $order->amount, Currency::TWD);
$order->update(['status' => 'PAID']);

// ✗ BAD: Using amount from query string
$amount = $request->input('amount'); // Vulnerable!

// ✓ GOOD: Using amount from database
$order = Order::findOrFail($orderId);
$amount = $order->amount;

bash
php artisan vendor:publish --tag=linepay-config