串接 PayPal

流程

申請帳號
到 PayPal Developer 開通開發帳號
沙盒測試網址加上 sandbox 即可
https://www.sandbox.paypal.com
https://ipnpb.sandbox.paypal.com
針對開發人員的 PayPal 和 IPN（交易狀態更新）介紹

開啟 IPN (交易狀態更新、即時付款通知)

個人檔案 → 我的銷售工具 → 交易狀態更新

自訂付款

針對開發人員的 PayPal 和 IPN（交易狀態更新）介紹內有自訂付費表單範例
HTML Form Basics for PayPal Payments Standard

<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
    <input type="hidden" name="cmd" value="_xclick">
    <input type="hidden" name="business" value="alanb@alanb.com">
    <input type="hidden" name="item_name" value="doodad from alanb.com">
    <input type="hidden" name="amount" value="4.99">
    <input type="hidden" name="return" value="http://alanb.com/doodads/thanks.html">
    <input type="hidden" name="cancel_return" value="http://alanb.com/doodads/canceled.html">
    <input type="image" border="0" name="submit" src="http://images.paypal.com/images/x-click-but5.gif" alt="請使用 PayPal 付款 － 快捷、免費和安全的付款方式！">
</form>

</form>

business :
amount :
return :
cancel_return :

一個實際案例

$Form = '
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
</head>
<body>
    <form id="idForm" action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post" target="_self">
        <input type="hidden" name="cmd" value="_xclick">
        <input type="hidden" name="business" value="pc-facilitator@hoyo.idv.tw">
        <INPUT TYPE="hidden" name="charset" value="utf-8">
        <INPUT TYPE="hidden" name="lc" value="zh_TW">
        <INPUT TYPE="hidden" NAME="currency_code" value="TWD">
        <input type="hidden" name="custom" value="'. $Orders_id .':'. $token .'">
        <input type="hidden" name="item_name" value="'. $ProductName .'">
        
        <input type="hidden" name="amount" value="'. $price .'">
        <input type="hidden" name="notify_url" value="'. PapPal_NotifyURL .'">
        <input type="hidden" name="return" value="'. PapPal_ReturnURL .'">
        <input type="hidden" name="cancel_return" value="'. PayPal_CancelReturnURL .'">
    </form>
    <script type="text/javascript">document.getElementById("idForm").submit();</script>
</body>
</html>
';

echo $Form;

$Form = '

<!DOCTYPE html>

<html>

<head>

</head>

<body>

</form>

</body>

</html>

echo $Form;

notify_url: 設定 IPN 返回網址
return: 成功付款返回網址
cancel_return: 取消交易返回網址

IPN

Introducing IPN

將接收的 IPN $_POST 轉成陣列

Array
(
    [mc_gross] => 1000
    [protection_eligibility] => Ineligible
    [address_status] => confirmed
    [payer_id] => 8G7HV3SJCPXAQ
    [address_street] => 71566176 Sky E137 S
    [payment_date] => 22:00:29 May 31, 2017 PDT
    [payment_status] => Pending
    [charset] => windows-1252
    [address_zip] => W185744
    [first_name] => 
    [address_country_code] => HK
    [address_name] =>  
    [notify_version] => 3.8
    [custom] => :
    [payer_status] => verified
    [business] => pc-facilitator@hoyo.idv.tw
    [address_country] => Hong Kong
    [address_city] => Posta
    [quantity] => 1
    [verify_sign] => AOH.JxXLRThnyE4tyiz8f.cTKbR2AH5k6c0WNm5135Ot-LokNPpc1yzK
    [payer_email] => pc@hoyo.idv.tw
    [txn_id] => 2FA122351Y010023B
    [payment_type] => instant
    [last_name] => 
    [address_state] => Libisia
    [receiver_email] => pc-facilitator@hoyo.idv.tw
    [receiver_id] => WJVDVGB4S5DES
    [pending_reason] => multi_currency
    [txn_type] => web_accept
    [item_name] =>  1250 
    [mc_currency] => TWD
    [item_number] => 
    [residence_country] => HK
    [test_ipn] => 1
    [transaction_subject] => 
    [payment_gross] => 
    [ipn_track_id] => a72c1c50acff4
)

Array

(

[mc_gross] => 1000

[protection_eligibility] => Ineligible

[address_status] => confirmed

[payer_id] => 8G7HV3SJCPXAQ

[address_street] => 71566176 Sky E137 S

[payment_date] => 22:00:29 May 31, 2017 PDT

[payment_status] => Pending

[charset] => windows-1252

[address_zip] => W185744

[first_name] =>

[address_country_code] => HK

[address_name] =>

[notify_version] => 3.8

[custom] => :

[payer_status] => verified

[business] => pc-facilitator@hoyo.idv.tw

[address_country] => Hong Kong

[address_city] => Posta

[quantity] => 1

[verify_sign] => AOH.JxXLRThnyE4tyiz8f.cTKbR2AH5k6c0WNm5135Ot-LokNPpc1yzK

[payer_email] => pc@hoyo.idv.tw

[txn_id] => 2FA122351Y010023B

[payment_type] => instant

[last_name] =>

[address_state] => Libisia

[receiver_email] => pc-facilitator@hoyo.idv.tw

[receiver_id] => WJVDVGB4S5DES

[pending_reason] => multi_currency

[txn_type] => web_accept

[item_name] => 1250

[mc_currency] => TWD

[item_number] =>

[residence_country] => HK

[test_ipn] => 1

[transaction_subject] =>

[payment_gross] =>

[ipn_track_id] => a72c1c50acff4

)

驗證 IPN 是否屬實

https://ipnpb.paypal.com/cgi-bin/webscr?cmd=_notify-validate&

VERIFIED 有效，INVALID 無效

REST API

REST API Reference

輔助資源

PayPal Verified Logos, Icons, Images - PayPal Logo Center PayPal Logo

4,673 total views, 1 views today

開啟 IPN (交易狀態更新、即時付款通知)

自訂付款

IPN

驗證 IPN 是否屬實

REST API

輔助資源

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