PHP常用功能组件方法---代码块

傷城~ 2022-05-22 11:45 223阅读 0赞

工作中常用的几个功能封装,收集整理,留用2018年6月23日15:43:03

xml 转 array数组

/**
        * 将xml转为array
        * @param string $xml
        * @throws WxPayException
        */
    public function FromXml($xml)
    {  
       if(!$xml){
          throw new Exception("xml数据异常！");
       }
           //将XML转为array
           //禁止引用外部xml实体
           libxml_disable_entity_loader(true);
           $this->values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);       
       return $this->values;
    }

对象中数组 转 xml

/**
     * 输出xml字符
     * @throws WxPayException
    **/
    public function ToXml()
    {
       if(!is_array($this->values) 
          || count($this->values) <= 0)
       {
              throw new Exception("数组数据异常！");
           }
           
           $xml = "<xml>";
           foreach ($this->values as $key=>$val)
           {
              if (is_numeric($val)){
                 $xml.="<".$key.">".$val."</".$key.">";
              }else{
                 $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
              }
           }
           $xml.="</xml>";
           return $xml; 
    }

格式化URL参数

/**
     * 格式化参数格式化成url参数
     */
    public function ToUrlParams()
    {
       $buff = "";
       foreach ($this->values as $k => $v)
       {
          if($k != "sign" && $v != "" && !is_array($v)){
             $buff .= $k . "=" . $v . "&";
          }
       }
       
       $buff = trim($buff, "&");
       return $buff;
    }

生成32位随机数

/**
     * 
     * 产生随机字符串，不长于32位
     * @param int $length
     * @return 产生的随机字符串
     */
    public static function getNonceStr($length = 32) 
    {
       $chars = "abcdefghijklmnopqrstuvwxyz0123456789";  
       $str ="";
       for ( $i = 0; $i < $length; $i++ )  {  
          $str .= substr($chars, mt_rand(0, strlen($chars)-1), 1);  
       } 
       return $str;
    }

curl方法post请求xml提交

/**
     * 以post方式提交xml到对应的接口url
     * 
     * @param string $xml  需要post的xml数据
     * @param string $url  url
     * @param bool $useCert 是否需要证书，默认不需要
     * @param int $second   url执行超时时间，默认30s
     * @throws WxPayException
     */
    private static function postXmlCurl($xml, $url, $useCert = false, $second = 30)
    {     
       $ch = curl_init();
       //设置超时
       curl_setopt($ch, CURLOPT_TIMEOUT, $second);
       
       //如果有配置代理这里就设置代理
       if(WxPayConfig::CURL_PROXY_HOST != "0.0.0.0" 
          && WxPayConfig::CURL_PROXY_PORT != 0){
          curl_setopt($ch,CURLOPT_PROXY, WxPayConfig::CURL_PROXY_HOST);
          curl_setopt($ch,CURLOPT_PROXYPORT, WxPayConfig::CURL_PROXY_PORT);
       }
       curl_setopt($ch,CURLOPT_URL, $url);
       curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TRUE); //调试完务必改回true
       curl_setopt($ch,CURLOPT_SSL_VERIFYHOST, 2);//严格校验 0和2,默认严格校验2
       //设置header
       curl_setopt($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($useCert == true){
          //设置证书
          //使用证书：cert 与 key 分别属于两个.pem文件
          curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
          curl_setopt($ch,CURLOPT_SSLCERT, WxPayConfig::SSLCERT_PATH);
          curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
          curl_setopt($ch,CURLOPT_SSLKEY, WxPayConfig::SSLKEY_PATH);
       }
       //post提交方式
       curl_setopt($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($ch);
          throw new WxPayException("curl出错，错误码:$error");
       }
    }

获取毫秒时间戳

/**
     * 获取毫秒级别的时间戳
     */
    private static function getMillisecond()
    {
       //获取毫秒的时间戳
       $time = explode ( " ", microtime () );
       $time = $time[1] . ($time[0] * 1000);
       $time2 = explode( ".", $time );
       $time = $time2[0];
       return $time;
    }