我正在建立一个基本的捐赠系统，需要向客户发送确认电子邮件，但无法让买家邮政地址显示在网站的 return_url 页面上，或显示在发送给客户的电子邮件中。纳税人是/否无线电选择的自定义值不会在电子邮件中遵循。我在我们的网站上使用了一个自定义表格，其中包含填写捐款金额、姓名、地址以及他们是否纳税（简单的无线电选择）的字段。不确定我是否正确使用它，但我同时设置了 IPN 和 PDT网站站点和 PayPal 帐户中的设置。
捐款表格：
<form class="dsForm" name="details" action="https://www.paypal.com/cgi-bin/webscr" method="post" onsubmit="if ( !CheckForm() ) return false;">
<input type="hidden" name="cmd" value="_donations">
<input type="hidden" id="business" name="business" value="charityemail@internet.com">
<input type="hidden" id="item_name" name="item_name" value="Website Donation - Water">
<input type="hidden" name="notify_url" value="http://www.urltoipnscript.com/ipn.php">
<input type="hidden" id="item_number" name="item_number" value="3">
<input type="hidden" name="no_note" value="1">
<input type="hidden" id="currency_code" name="currency_code" value="GBP">
<input type="hidden" name="no_shipping" value="2">
<input type="hidden" name="tax" value="0">
<input type="hidden" name="bn" value="IC_Sample">
<input type="hidden" value="donation" name="custom">
<ul id="donate-form">
<li><label>Amount:</label>
<input type="text" id="amount" name="amount" value="25.00" size='9'>
<select id='currency' onchange='CheckCurrency()'>
<option value="GBP">GBP</option>
<option value="EUR">EUR</option>
<option value="AUD">AUD</option>
<option value="USD">USD</option>
</select>
</li>
<li><label>Program:</label>
<select name='program' id='program' onchange='ProgramChange();' >
<option value=''>Please Select</option>
<option id="education" value='4'>Education</option>
<option id="water" value='3' selected="selected">Water</option>
<option id="health" value='2'>Health Promotion</option>
<option id="community" value='18'>Community Based Projects</option>
<option id="sponsorship" value='8'>Child Sponsorship</option>
</select>
</li>
<li><label>Firstname:</label>
<input type='text' name='first_name' size='30' />
</li>
<li><label>Surname:</label>
<input type='text' name='last_name' size='30' />
</li>
<li><label>Address 1:</label>
<input type='text' name='address1' size='30' />
</li>
<li><label>Address 2:</label>
<input type='text' name='address2' size='30' />
</li>
<li><label>Town/City:</label>
<input type='text' name='city' size='30' />
</li>
<li><label>Postcode/Zip:</label>
<input type='text' name='zip' size='30' />
</li>
<li><label>Country:</label>
<select name='country' id='country' >
<option value='' selected='selected'>Please Select</option>
<option value='AL'>Albania
</option><option value='DZ'>Algeria
</option><option value='GB'>United Kingdom
</option><option value='US'>United States
etc...
</li>
<div id='ukTaxOptions' style='display:none'>
<label style="width:auto; margin-top:20px; margin-bottom:10px;font-weight: bold;" > Please choose an appropriate option below:</label >
<li>
<label style="width:auto" >
<input id='gbTaxPayer_1' name='gbTaxPayer_radio' type='radio' value='1' onchange="SetPayPalCustom('UK')" />
<input id="gbTaxPayer" name="gbTaxPayer" type="hidden" value="1" /> I am a UK taxpayer and would like to Gift Aid all donations I have made to Fields Of Life in the last four years and all donations I make in the future, until I notify you otherwise *
</label>
</li>
<li><label style="width:auto">
<input id='gbTaxPayer_' name='gbTaxPayer_radio' type='radio' value='' checked onchange="SetPayPalCustom('')" />I am not a UK taxpayer
</label></li>
<li><label style="width:auto">* I understand that I must have paid an amount of income tax or capital gains tax at least equal to the tax you reclaim on my donations</label></li>
</div>
<input type="hidden" name="hosted_button_id" value="hidden from stackflow">
<input type="image" src="http://www.hiddenfromsov.com/mybtn.png" border="0" name="submit" alt="PayPal — The safer, easier way to pay online.">
<li><img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif width="1" height="1" /></li>
</ul>
IPN 脚本：
<?php
$raw_post_data = file_get_contents('php://input');
$raw_post_array = explode('&', $raw_post_data);
$myPost = array();
foreach ($raw_post_array as $keyval) {
$keyval = explode ('=', $keyval);
if (count($keyval) == 2)
$myPost[$keyval[0]] = urldecode($keyval[1]);
}
// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';
if(function_exists('get_magic_quotes_gpc')) {
$get_magic_quotes_exists = true;
}
foreach ($myPost as $key => $value) {
if($get_magic_quotes_exists == true && get_magic_quotes_gpc() == 1) {
$value = urlencode(stripslashes($value));
} else {
$value = urlencode($value);
}
$req .= "&$key=$value";
}
$ch = curl_init('https://www.paypal.com/cgi-bin/webscr');
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close'));
if( !($res = curl_exec($ch)) ) {
curl_close($ch);
exit;
}
curl_close($ch);
if (strcmp ($res, "VERIFIED") == 0) {
// 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'];
$address_street = $_POST['address_street'];
$address_city = $_POST['address_city'];
$address_state = $_POST['address_state'];
$address_zip = $_POST['address_zip'];
$address_country = $_POST['address_country'];
$address_status = $_POST['address_status'];
$gbtax = $_POST['gbTaxPayer_radio'];
} else if (strcmp ($res, "INVALID") == 0) {
// log for manual investigation
}
成功 return_url 页面上的代码
//PDT
// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-synch';
$tx_token = $_GET['tx'];
$auth_token = "I've copied this the paypal settings";
$req .= "&tx=$tx_token&at=$auth_token";
// 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 ('www.paypal.com', 80, $errno, $errstr, 30);
// $fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30);
if (!$fp) {
// HTTP ERROR
} else {
fputs ($fp, $header . $req);
// read the body data
$res = '';
$headerdone = false;
while (!feof($fp)) {
$line = fgets ($fp, 1024);
if (strcmp($line, "\r\n") == 0) {
// read the header
$headerdone = true;
}
else if ($headerdone)
{
// header has been read. now read the contents
$res .= $line;
}
}
// parse the data
$lines = explode("\n", $res);
$keyarray = array();
if (strcmp ($lines[0], "SUCCESS") == 0) {
for ($i=1; $i<count($lines);$i++){
list($key,$val) = explode("=", $lines[$i]);
$keyarray[urldecode($key)] = urldecode($val);
}
// 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
$item_number = $_GET['item_number'];
$address12 = $_GET['address_street'];
$firstname = $keyarray['first_name'];
$lastname = $keyarray['last_name'];
$payer_email = $keyarray['payer_email'];
$amount = $keyarray['mc_gross'];
$payment_date = $keyarray['payment_date'];
$payment_status = $keyarray['payment_status'];
$payment_type = $keyarray['payment_type'];
$mc_currency = $keyarray['mc_currency'];
$transactionid = $keyarray['txn_id'];
$itemname = $keyarray['item_name'];
$address1 = $keyarray['address1'];
$address_street = $keyarray['address_street'];
$address_city = $keyarray['address_city'];
$address_state = $keyarray['address_state'];
$address_zip = $keyarray['address_zip'];
$address_country = $keyarray['address_country'];
$gbtax = $keyarray['gbTaxPayer_radio'];
echo ("<p><strong>Payment Details</strong></p>\n");
echo ("<ul>\n");
echo ("<li><b>Address</b>: $address12</li>\n");
echo ("<li><b>Item Number</b>: $item_number</li>\n");
echo ("<li><b>Donation Type</b>: $itemname</li>\n");
echo ("<li><b>Date</b>: $payment_date</li>\n");
echo ("<li><b>Name</b>: $firstname $lastname ($payer_email)</li>\n");
echo ("<li><b>Street Address</b>: $address1</li>\n");
echo ("<li><b>Town/City</b>: $address_city</li>\n");
echo ("<li><b>County/State</b>: $address_state</li>\n");
echo ("<li><b>Postcode/ZIP</b>: $address_zip</li>\n");
echo ("<li><b>Country</b>: $address_country</li>\n");
echo ("<li><b>Amount</b>: £$amount</li>\n");
echo ("<li><b>Payment status</b>: $payment_status</li>\n");
echo ("<li><b>Transaction ID</b>: $transactionid</li>\n");
echo ("<li><b>UK Tax Payer?</b> $gbtax</li>\n");
echo ("</ul>\n");
// send e-mail
$today = date("F j, Y, g:i a");
mail("charityemail@internet.com", "Donation made - $itemname", "A donation was made on $today \n Payment Details \r\n\r\n Donation type: $itemname \r\n\r\n Name: $firstname $lastname \n Amount: $amount \n Donator Email: $payer_email \r\n\r\n Address: $address1 \n $address_city \n $address_state \n $address_zip \n $address_country \r\n\r\n Payment date: $payment_date \n Payment status: $payment_status \n Currency: $mc_currency \n Transaction ID: $transactionid \n UK Tax Payer? $gbtax \n", "From: Charity Donation <charityemail@internet.com>");
}
else if (strcmp ($lines[0], "FAIL") == 0) {
// log for manual investigation
}
}
fclose ($fp);
目前我只需要在电子邮件、return_url 页面和 PayPal 网站上显示的地址（当前显示Postal Address: Not Specified。）