支付配置

<?php
// 支付回调处理
function handlePayCallback(array $payload): array {
    $orderNo = $payload['out_trade_no'] ?? '';
    $status  = $payload['trade_status'] ?? '';

    if ($status === 'TRADE_SUCCESS') {
        $stmt = db()->prepare(
            'UPDATE orders SET status = 1 WHERE order_no = ?'
        );
        $stmt->execute([$orderNo]);
    }
    return ['code' => 'SUCCESS'];
}