Sjzs_admin/vendor/zoujingli/wechat-developer/_test/pay-v3-config.php

<?php

$certPublic = <<<CERT
-----BEGIN CERTIFICATE-----
你的微信商户证书公钥内容
-----END CERTIFICATE-----
CERT;

$certPrivate = <<<CERT
-----BEGIN PRIVATE KEY-----
你的微信商户证书私钥内容
-----END PRIVATE KEY-----
CERT;

return [
    // 商户绑定的公众号APPID
    'appid'        => '',
    // 微信商户编号ID
    'mch_id'       => '',
    // 微信商户V3接口密钥
    'mch_v3_key'   => '',
    // 微信商户证书公钥，支持证书内容或文件路径
    'cert_public'  => $certPublic,
    // 微信商户证书私钥，支持证书内容或文件路径
    'cert_private' => $certPrivate,
];