php-omnipayHow do I use PHP Omnipay to verify a payment?

Using PHP Omnipay to verify a payment requires two steps:

1. Initialize the payment gateway:

require_once('vendor/autoload.php');

$gateway = Omnipay\Omnipay::create('PayPal_Express');
$gateway->setUsername('[email protected]');
$gateway->setPassword('1234567890');
$gateway->setSignature('ABCDEFGHIJKLMNOPQRSTUVWXYZ');
$gateway->setTestMode(true);

2. Verify the payment:

$response = $gateway->completePurchase([
    'transactionReference' => '1234567890',
    'amount' => '10.00',
    'currency' => 'USD',
])->send();

if ($response->isSuccessful()) {
    echo "Payment is verified!";
} else {
    echo "Payment is not verified!";
}

• require_once('vendor/autoload.php'): This line includes the Omnipay library.
• $gateway = Omnipay\Omnipay::create('PayPal_Express'): This line creates a new instance of the PayPal Express gateway.
• $gateway->setUsername('[email protected]'): This line sets the username of the gateway.
• $gateway->setPassword('1234567890'): This line sets the password of the gateway.
• $gateway->setSignature('ABCDEFGHIJKLMNOPQRSTUVWXYZ'): This line sets the signature of the gateway.
• $gateway->setTestMode(true): This line sets the gateway to test mode.
• $response = $gateway->completePurchase([])->send(): This line sends the payment verification request to the gateway.
• if ($response->isSuccessful()): This line checks if the payment is successful.

Helpful links

• Omnipay Documentation
• PayPal Express Documentation

Edit this code on GitHub