[英]how to setup recurring payments in paypal
我正在尝试使用PHP在Paypal中设置定期付款。 但是我遇到的问题是我不知道自己是否做对了。 我有一个向Paypal API发出请求的类:
<?php
class Paypal {
protected $_errors = array();
protected $_credentials = array(
'USER' => 'my-user-id',
'PWD' => 'my-pass',
'SIGNATURE' => 'my-signature',
);
protected $_endPoint = 'https://api-3t.sandbox.paypal.com/nvp';
protected $_version = '74.0';
public function request($method,$params = array()) {
$this -> _errors = array();
if( empty($method) ) {
$this -> _errors = array('API method is missing');
return false;
}
$requestParams = array(
'METHOD' => $method,
'VERSION' => $this -> _version
) + $this -> _credentials;
$request = http_build_query($requestParams + $params);
$http_header = array(
'X-PAYPAL-SECURITY-USERID' => 'my-user-id',
'X-PAYPAL-SECURITY-PASSWORD' => 'my-pass',
'X-PAYPAL-SECURITY-SIGNATURE' => 'my-signature',
'X-PAYPAL-REQUEST-DATA-FORMAT' => 'JSON',
'X-PAYPAL-RESPONSE-DATA-FORMAT' => 'JSON'
);
$curlOptions = array (
CURLOPT_HTTPHEADER => $http_header,
CURLOPT_URL => $this -> _endPoint,
CURLOPT_VERBOSE => 1,
CURLOPT_SSL_VERIFYPEER => true,
CURLOPT_SSL_VERIFYHOST => 2,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_POST => 1,
CURLOPT_POSTFIELDS => $request
);
$ch = curl_init();
curl_setopt_array($ch,$curlOptions);
$response = curl_exec($ch);
if (curl_errno($ch)) {
$this -> _errors = curl_error($ch);
curl_close($ch);
return false;
} else {
curl_close($ch);
$responseArray = array();
parse_str($response,$responseArray);
return $responseArray;
}
}
}
?>
然后,我发出这样的初始请求:
session_start();
require_once('Paypal.php');
$paypal = new Paypal();
$amount = 1;
$requestParams = array(
'RETURNURL' => 'http://localhost/tester/paypal/new_test/test_done.php',
'CANCELURL' => 'http://localhost/tester/paypal/new_test/test_cancel.php',
'NOSHIPPING' => '1',
'ALLOWNOTE' => '1',
'L_BILLINGTYPE0' => 'RecurringPayments',
'L_BILLINGAGREEMENTDESCRIPTION0' => 'site donation'
);
$orderParams = array(
'PAYMENTREQUEST_0_AMT' => '1',
'PAYMENTREQUEST_0_CURRENCYCODE' => 'USD',
'PAYMENTREQUEST_0_ITEMAMT' => $amount
);
$item = array(
'L_PAYMENTREQUEST_0_NAME0' => 'site donation',
'L_PAYMENTREQUEST_0_DESC0' => 'site donation',
'L_PAYMENTREQUEST_0_AMT0' => $amount,
'L_PAYMENTREQUEST_0_QTY0' => '1'
);
$response = $paypal->request('SetExpressCheckout', $requestParams + $orderParams + $item);
$sandbox_location = 'https://www.sandbox.paypal.com/webscr?cmd=_express-checkout&token=';
if(is_array($response) && $response['ACK'] == 'Success'){
$token = $response['TOKEN'];
$_SESSION['token'] = $token;
header('Location: ' . $sandbox_location . urlencode($token));
}
?>
如您所见,我正在使用SetExpressCheckout
API方法来获取所需的令牌并将其存储在会话中,以便以后可以将其与CreateRecurringPaymentsProfile
的请求一起使用。
我目前已重定向到类似于以下的页面:
用户完成使用Paypal登录并确认金额后,它将重定向到我指定的包含以下代码的成功页面:
session_start();
require_once('Paypal.php');
$amount = 1;
$paypal = new Paypal();
$token_param = array('TOKEN' => $_SESSION['token']);
$current_date = date('Y-m-d');
$recurring_payment_params = array(
'PROFILESTARTDATE' => gmdate('Y-m-d H:i:s', strtotime($current_date . ' + 1 months')),
'DESC' => 'site donation',
'BILLINGPERIOD' => 'Month',
'BILLINGFREQUENCY' => '1',
'TOTALBILLINGCYCLES' => '0',
'AMT' => $amount
);
$recurringpayment_response = $paypal->request('CreateRecurringPaymentsProfile', $recurring_payment_params + $token_param);
我已经在沙盒帐户中验证了此重复付款配置文件已创建,并且下一个到期帐单是下个月,这可以正常工作。 但是问题在于,它在他们为订阅付费的贝宝界面(前面的屏幕截图)中并不真正可见。 也许我把重定向URL弄错了吗? ( https://www.sandbox.paypal.com/webscr?cmd=_express-checkout&token= )还是我必须向SetExpressCheckout
方法添加其他参数? 请帮忙。
您只显示登录屏幕。 登录后,您将看到有关订阅的信息,并且该按钮将显示“同意并付款”或“同意并继续”(取决于返回URL中的useraction值),而不仅仅是“支付”或“继续”。
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