<?php
  class PaypalTest {

public $api_user = "developer_api1.gmail.com";
public $api_pass = "xxxxxxxxxxxxx";
public $api_sig = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
public $app_id = "APP-80W284485P519543T";
public $apiUrl = 'https://svcs.sandbox.paypal.com/AdaptivePayments/';
public $headers;
public $paykey;
public function __construct(){

    $this->headers = array(
        "X-PAYPAL-SECURITY-USERID: ".$this->api_user,
        "X-PAYPAL-SECURITY-PASSWORD: ".$this->api_pass,
        "X-PAYPAL-SECURITY-SIGNATURE: ".$this->api_sig,
        "X-PAYPAL-REQUEST-DATA-FORMAT: JSON",
        "X-PAYPAL-RESPONSE-DATA-FORMAT: JSON",
        "X-PAYPAL-APPLICATION-ID: ".$this->app_id,
    );
}

public function getPaymentOptions($paykey){
$createPacket = array(
        "actionType" =>"PAY",
        "payKey" =>$paykey,
        "currencyCode" => "USD",
        "senderEmail" => 'example-buyer@gmail.com',
        "receiverList" => array(
            "receiver" => array(
                array(
                    "amount"=> "100.00",
                    "email"=>"example-seller@gmail.com"
                ),
                array(
                    "amount"=> "200.00",
                    "email"=>"example-seller2@gmail.com"
                ),
            ),
        ),
        "returnUrl" => "http://127.0.0.1/paypal_adaptive/success.php",
        "cancelUrl" => "http://127.0.0.1/paypal_adaptive/cancel.php",
        "requestEnvelope" => array(
            "errorLanguage" => "en_US",
            "detailLevel" => "ReturnAll",
        ),
    );
     return $response = $this->_paypalSend($createPacket,"PaymentDetails");
}
public function _paypalSend($data,$call){

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $this->apiUrl.$call);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
    curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);
    $response = json_decode(curl_exec($ch),true);
    return $response;

}
public function splitPay(){

    // create the pay request
    $createPacket = array(
        "actionType" =>"PAY",
        "currencyCode" => "USD",
        "senderEmail" => 'example-buyer@gmail.com',
        "receiverList" => array(
            "receiver" => array(
                array(
                    "amount"=> "100.00",
                    "email"=>"example-seller@gmail.com"
                ),
                array(
                    "amount"=> "200.00",
                    "email"=>"example-seller2@gmail.com"
                ),
            ),
        ),
        "returnUrl" => "http://127.0.0.1/paypal_adaptive/success.php",
        "cancelUrl" => "http://127.0.0.1/paypal_adaptive/cancel.php",
        "requestEnvelope" => array(
            "errorLanguage" => "en_US",
            "detailLevel" => "ReturnAll",
        ),
    );

    return $response = $this->_paypalSend($createPacket,"Pay");

}
}
$payment = new PaypalTest();
$response = $payment->splitPay();
$paykey = $response['payKey'];
$response1 = $payment->getPaymentOptions($paykey);
    echo "<pre>";
    print_r($response1);
?>

Array
(
    [responseEnvelope] => Array
        (
            [timestamp] => 2016-01-12T11:17:51.744-08:00
            [ack] => Success
            [correlationId] => 03dfdf2efd275
            [build] => 17820627
        )

    [cancelUrl] => http://127.0.0.1/paypal_adaptive/cancel.php
    [currencyCode] => USD
    [paymentInfoList] => Array
        (
            [paymentInfo] => Array
                (
                    [0] => Array
                        (
                            [receiver] => Array
                                (
                                    [amount] => 100.00
                                    [email] => example-seller@gmail.com
                                    [primary] => false
                                    [paymentType] => SERVICE
                                    [accountId] => YQLSX8R2V5MHY
                                )

                            [pendingRefund] => false
                        )

                    [1] => Array
                        (
                            [receiver] => Array
                                (
                                    [amount] => 200.00
                                    [email] => example-seller2@gmail.com
                                    [primary] => false
                                    [paymentType] => SERVICE
                                    [accountId] => WRSDL9ELY7MTU
                                )

                            [pendingRefund] => false
                        )

                )

        )

    [returnUrl] => http://127.0.0.1/paypal_adaptive/success.php
    [senderEmail] => example-buyer@gmail.com
    [status] => CREATED
    [payKey] => AP-7DL251088A4194610
    [actionType] => PAY
    [feesPayer] => EACHRECEIVER
    [reverseAllParallelPaymentsOnError] => false
    [sender] => Array
        (
            [email] => example-buyer@gmail.com
            [accountId] => 5NWKWJZ8KG6Q2
            [useCredentials] => false
        )

)