XmlCurl.class.php

<?php
namespace WeChatPay;


class XmlCurl {

    public $proxy;

    public $second;

    public $cert;

    public function __construct($cert=[],$proxy=[],$second=30){
        $this->cert = $cert;
        $this->proxy = $proxy;
        $this->second = $second;
    }

    public function post($xml, $url){
        $ch = curl_init();
        //设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, $this->second);

        //如果有配置代理这里就设置代理
        if(!empty($proxy)){
            curl_setopt($ch,CURLOPT_PROXY, $this->proxy['host']);
            curl_setopt($ch,CURLOPT_PROXYPORT,$this->proxy['port']);
        }
        curl_setopt($ch,CURLOPT_URL, $url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TRUE);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验
        //设置header
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

        if(!empty($this->cert)){
            //设置证书
            //使用证书：cert 与 key 分别属于两个.pem文件
            curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
            curl_setopt($ch,CURLOPT_SSLCERT, $this->cert['sslcert']);
            curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
            curl_setopt($ch,CURLOPT_SSLKEY, $this->cert['sslkey']);
        }
        //post提交方式
        curl_setopt($ch, CURLOPT_POST, TRUE);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
        //运行curl
        $data = curl_exec($ch);
        //返回结果
        if($data){
            curl_close($ch);
            return $data;
        } else {
            $error = curl_errno($ch);
            curl_close($ch);
            throw new \Exception("curl出错，错误码:$error");
        }
    }
}