mytharcher\sdk\alipay\Alipay::buildSignedParametersForApp PHP Method

buildSignedParametersForApp() public method

https://doc.open.alipay.com/doc2/detail.htm?spm=a219a.7629140.0.0.NgdeQA&treeId=59&articleId=103663&docType=1 服务端生成app支付使用的参数以及签名
public buildSignedParametersForApp ( $params ) :
$params
return
    function buildSignedParametersForApp($params)
    {
        $params = $this->prepareParameters($params);
        $params['sign'] = urlencode($this->signParameters($params));
        $params['sign_type'] = 'RSA';
        $paramStr = [];
        foreach ($params as $k => &$param) {
            $param = '"' . $param . '"';
            $paramStr[] = $k . '=' . $param;
        }
        return implode('&', $paramStr);
    }