php-omnipayHow can I use Omnipay in PHP?
Omnipay is a payment processing library for PHP. It provides a unified API across many payment gateways. To use Omnipay in PHP, you need to first install it via Composer:
composer require omnipay/omnipay
Once installed, you can then set up the gateway you want to use, such as PayPal:
// Create a gateway for the PayPal Express Checkout
// (REST) Gateway
$gateway = Omnipay::create('PayPal_Express');
// Initialise the gateway
$gateway->initialize([
'clientId' => 'YourPayPalClientId',
'secret' => 'YourPayPalSecret',
'testMode' => true, // Or false when you are ready for live transactions
]);
You can then process payments using the gateway's purchase
method:
// Do an authorisation transaction on the gateway
$transaction = $gateway->purchase([
'amount' => '10.00',
'currency' => 'USD',
'returnUrl' => 'https://www.example.com/return',
'cancelUrl' => 'https://www.example.com/cancel',
]);
$response = $transaction->send();
if ($response->isSuccessful()) {
// Payment was successful
echo "Payment was successful!\n";
$data = $response->getData();
var_dump($data);
} elseif ($response->isRedirect()) {
// Redirect to offsite payment gateway
$response->redirect();
} else {
// Payment failed
echo "Payment failed: " . $response->getMessage() . "\n";
}
For more information on using Omnipay, see the Omnipay documentation.
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