paypal即时到账php实现代码_PHP教程

http://paypal.ebay.cn/integrationcenter/list__resource_2.html

中文php开发简介：http://www.paypal-china.org/wangzhai/197.html
以下是ecshop中paypal的支付代码

这段代码是向paypal支付接口提交的
{{{



}}}

以下是官方提供的，接受到paypal传回来的参数的，并且判断是否支付成功。

支持成功后由于提交表单中有




paypal将会主动跳转到espond.php?code=paypal这个页面，页面可现实以下POST得到的一些数据。



代码如下:

// read the post from PayPal system and add 'cmd' 
$req = 'cmd=_notify-validate'; 

foreach ($_POST as $key => $value) { 
$value = urlencode(stripslashes($value)); 
$req .= "&$key=$value"; 
} 

// post back to PayPal system to validate 
$header .= "POST /cgi-bin/webscr HTTP/1.0\r\n"; 
$header .= "Content-Type: application/x-www-form-urlencoded\r\n"; 
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n"; 
$fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30); 

// assign posted variables to local variables 
$item_name = $_POST['item_name']; 
$item_number = $_POST['item_number']; 
$payment_status = $_POST['payment_status']; 
$payment_amount = $_POST['mc_gross']; 
$payment_currency = $_POST['mc_currency']; 
$txn_id = $_POST['txn_id']; 
$receiver_email = $_POST['receiver_email']; 
$payer_email = $_POST['payer_email']; 

if (!$fp) { 
// HTTP ERROR 
else { 
fputs ($fp, $header . $req); 
while (!feof($fp)) { 
$res = fgets ($fp, 1024); 
if (strcmp ($res, "VERIFIED") == 0) { 
// check the payment_status is Completed 
// check that txn_id has not been previously processed 
// check that receiver_email is your Primary PayPal email 
// check that payment_amount/payment_currency are correct 
// process payment 
} 
else if (strcmp ($res, "INVALID") == 0) { 
// log for manual investigation 
} 
} 
fclose ($fp); 
} 
?> 


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