<?PHP

/** DoDirectPayment NVP example; last modified 08MAY23.
 *
 *  Process a credit card payment. 
*/

$environment = 'sandBox';   // or 'beta-sandBox' or 'live'

/**
 * Send HTTP POST Request
 *
 * @param   string  The API method name
 * @param   string  The POST Message fields in &name=value pair format
 * @return  array   Parsed HTTP Response body
 */
function PPHttpPost($methodName_,$nvpStr_) {
    global $environment;

    // Set up your API credentials,PayPal end point,and API version.
    $API_UserName = urlencode('debash_1332929919_biz_api1.gmail.com');
    $API_Password = urlencode('1332929952');
    $API_Signature = urlencode('AIiPJKMw38NGZuaiDaeLWrH9x.WBAK4WXf1vh9.Y.YxEM-4DlbDLMEVe');
    $API_Endpoint = "https://api-3t.paypal.com/nvp";
    if("sandBox" === $environment || "beta-sandBox" === $environment) {
        $API_Endpoint = "https://api-3t.$environment.paypal.com/nvp";
    }
    $version = urlencode('51.0');

    // Set the curl parameters.
    $ch = curl_init();
    curl_setopt($ch,CURLOPT_URL,$API_Endpoint);
    curl_setopt($ch,CURLOPT_VERBOSE,1);

    // Turn off the server and peer verification (TrustManager Concept).
    curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
    curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);

    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch,CURLOPT_POST,1);

    // Set the API operation,version,and API signature in the request.
    $nvpreq = "METHOD=$methodName_&VERSION=$version&PWD=$API_Password&USER=$API_UserName&SIGNATURE=$API_Signature$nvpStr_";

    // Set the request as a POST FIELD for curl.
    curl_setopt($ch,CURLOPT_POSTFIELDS,$nvpreq);

    // Get response from the server.
    $httpResponse = curl_exec($ch);

    if(!$httpResponse) {
        exit("$methodName_ Failed: ".curl_error($ch).'('.curl_errno($ch).')');
    }

    // Extract the response details.
    $httpResponseAr = explode("&",$httpResponse);

    $httpParsedResponseAr = array();
    foreach ($httpResponseAr as $i => $value) {
        $tmpAr = explode("=",$value);
        if(sizeof($tmpAr) > 1) {
            $httpParsedResponseAr[$tmpAr[0]] = $tmpAr[1];
        }
    }

    if((0 == sizeof($httpParsedResponseAr)) || !array_key_exists('ACK',$httpParsedResponseAr)) {
        exit("Invalid HTTP Response for POST request($nvpreq) to $API_Endpoint.");
    }

    return $httpParsedResponseAr;
}

// Set request-specific fields.
$paymentType = urlencode('Sale');               // or 'Sale'
$firstName = urlencode('Debashis');
$lastName = urlencode('Banerjee');
$creditCardType = urlencode('visa');
$creditCardNumber = urlencode('4860795409505688');
$expDateMonth = '3';
// Month must be padded with leading zero
$padDateMonth = urlencode(str_pad($expDateMonth,2,'0',STR_PAD_LEFT));

$expDateYear = urlencode('2017');
$cvv2Number = urlencode('111');
$address1 = urlencode('Kaikala');
$address2 = urlencode('Hooghly');
$city = urlencode('Kaikala');
$state = urlencode('WB');
$zip = urlencode('712405');
$country = urlencode('IN');             // US or other valid country code
$amount = urlencode('71');
$currencyID = urlencode('USD');                         // or other currency ('GBP','EUR','JPY','CAD','AUD')

// Add request-specific fields to the request string.
$nvpStr =   "&PAYMENTACTION=$paymentType&AMT=$amount&CREDITCARDTYPE=$creditCardType&ACCT=$creditCardNumber".
            "&EXPDATE=$padDateMonth$expDateYear&CVV2=$cvv2Number&FIRSTNAME=$firstName&LASTNAME=$lastName".
            "&STREET=$address1&CITY=$city&STATE=$state&ZIP=$zip&COUNTRYCODE=$country&CURRENCYCODE=$currencyID";

// Execute the API operation; see the PPHttpPost function above.
$httpParsedResponseAr = PPHttpPost('DoDirectPayment',$nvpStr);

if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"])) {
    exit('Direct Payment Completed Successfully: '.print_r($httpParsedResponseAr,true));
} else  {
    exit('DoDirectPayment Failed: ' . print_r($httpParsedResponseAr,true));
}

?>

请访问https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/library_code

谢谢