PayPal\Api\FundingInstrument::setCreditCardToken PHP Method

    public function setCreditCardToken($credit_card_token)
    {
        $this->credit_card_token = $credit_card_token;
        return $this;
    }

 /**
  * Create a payment using a previously obtained
  * credit card id. The corresponding credit
  * card is used as the funding instrument.
  * 
  * @param string $creditCardId credit card id
  * @param string $total Payment amount with 2 decimal points
  * @param string $currency 3 letter ISO code for currency
  * @param string $paymentDesc
  */
 function makePaymentUsingCC($creditCardId, $total, $currency, $paymentDesc)
 {
     $ccToken = new CreditCardToken();
     $ccToken->setCreditCardId($creditCardId);
     $fi = new FundingInstrument();
     $fi->setCreditCardToken($ccToken);
     $payer = new Payer();
     $payer->setPaymentMethod("credit_card");
     $payer->setFundingInstruments(array($fi));
     // Specify the payment amount.
     $amount = new Amount();
     $amount->setCurrency($currency);
     $amount->setTotal($total);
     // ###Transaction
     // A transaction defines the contract of a
     // payment - what is the payment for and who
     // is fulfilling it. Transaction is created with
     // a `Payee` and `Amount` types
     $transaction = new Transaction();
     $transaction->setAmount($amount);
     $transaction->setDescription($paymentDesc);
     $payment = new Payment();
     $payment->setIntent("sale");
     $payment->setPayer($payer);
     $payment->setTransactions(array($transaction));
     $payment->create(new Paypalinit());
     return $payment;
 }