PayPal\Api\FundingInstrument::setPaymentCard PHP Method

    public function setPaymentCard($payment_card)
    {
        $this->payment_card = $payment_card;
        return $this;
    }

require __DIR__ . '/../bootstrap.php';
use PayPal\Api\Address;
use PayPal\Api\Amount;
use PayPal\Api\FundingInstrument;
use PayPal\Api\Payer;
use PayPal\Api\Payment;
use PayPal\Api\PaymentCard;
use PayPal\Api\Transaction;
// The biggest difference between creating a payment, and authorizing a payment is to set the intent of payment
// to correct setting. In this case, it would be 'authorize'
$addr = new Address();
$addr->setLine1("3909 Witmer Road")->setLine2("Niagara Falls")->setCity("Niagara Falls")->setState("NY")->setPostalCode("14305")->setCountryCode("US")->setPhone("716-298-1822");
$paymentCard = new PaymentCard();
$paymentCard->setType("visa")->setNumber("4417119669820331")->setExpireMonth("11")->setExpireYear("2019")->setCvv2("012")->setFirstName("Joe")->setLastName("Shopper")->setBillingCountry("US")->setBillingAddress($addr);
$fi = new FundingInstrument();
$fi->setPaymentCard($paymentCard);
$payer = new Payer();
$payer->setPaymentMethod("credit_card")->setFundingInstruments(array($fi));
$amount = new Amount();
$amount->setCurrency("USD")->setTotal(1);
$transaction = new Transaction();
$transaction->setAmount($amount)->setDescription("Payment description.");
$payment = new Payment();
// Setting intent to authorize creates a payment
// authorization. Setting it to sale creates actual payment
$payment->setIntent("authorize")->setPayer($payer)->setTransactions(array($transaction));
// For Sample Purposes Only.
$request = clone $payment;
// ### Create Payment
// Create a payment by calling the payment->create() method
// with a valid ApiContext (See bootstrap.php for more on `ApiContext`)