PayPal订阅服务佣金自动化：利用PayPal Payouts实现平台分成

<?php

// 替换为您的PayPal API凭证
$clientId = 'YOUR_PAYPAL_CLIENT_ID';
$clientSecret = 'YOUR_PAYPAL_CLIENT_SECRET';
$environment = 'sandbox'; // 或 'live'

// 1. 获取访问令牌 (Access Token)
function getAccessToken($clientId, $clientSecret, $environment) {
    $url = ($environment === 'sandbox') ? 'https://api-m.sandbox.paypal.com/v1/oauth2/token' : 'https://api-m.paypal.com/v1/oauth2/token';

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERPWD, $clientId . ":" . $clientSecret);
    curl_setopt($ch, CURLOPT_POSTFIELDS, "grant_type=client_credentials");

    $result = curl_exec($ch);
    if (curl_errno($ch)) {
        throw new Exception(curl_error($ch));
    }
    curl_close($ch);

    $json = json_decode($result);
    if (!isset($json->access_token)) {
        throw new Exception("Failed to get access token: " . $result);
    }
    return $json->access_token;
}

// 2. 发起P a y o u t
function createPayout($accessToken, $environment, $recipientEmail, $amount, $currency = 'USD', $note = 'Your subscription earnings') {
    $url = ($environment === 'sandbox') ? 'https://api-m.sandbox.paypal.com/v1/payments/payouts' : 'https://api-m.paypal.com/v1/payments/payouts';

    $payoutBatchId = uniqid('payout_'); // 生成一个唯一的批量付款ID

    $payload = [
        'sender_batch_header' => [
            'sender_batch_id' => $payoutBatchId,
            'email_subject' => '您的订阅收益已到账',
            'email_message' => $note
        ],
        'items' => [
            [
                'recipient_type' => 'EMAIL',
                'receiver' => $recipientEmail,
                'amount' => [
                    'value' => (string)sprintf('%.2f', $amount), // 确保是字符串且两位小数
                    'currency' => $currency
                ],
                'note' => $note,
                'sender_item_id' => uniqid('item_') // 单个付款项的唯一ID
            ]
        ]
    ];

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Content-Type: application/json',
        'Authorization: Bearer ' . $accessToken
    ]);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 生产环境请设置为 true

    $result = curl_exec($ch);
    if (curl_errno($ch)) {
        throw new Exception(curl_error($ch));
    }
    curl_close($ch);

    return json_decode($result, true);
}

try {
    $accessToken = getAccessToken($clientId, $clientSecret, $environment);
    echo "Access Token: " . $accessToken . "\n";

    // 示例：向内容创作者支付净收益
    $creatorEmail = 'creator@example.com'; // 内容创作者的PayPal邮箱
    $netAmount = 15.75; // 扣除佣金后的净收益

    $payoutResponse = createPayout($accessToken, $environment, $creatorEmail, $netAmount);
    print_r($payoutResponse);

    if (isset($payoutResponse['batch_header']['payout_batch_id'])) {
        echo "Payout initiated successfully. Batch ID: " . $payoutResponse['batch_header']['payout_batch_id'] . "\n";
    } else {
        echo "Failed to initiate payout.\n";
    }

} catch (Exception $e) {
    echo "Error: " . $e->getMessage() . "\n";
}

?>