253短信接口PHP直接调用

<?php
//namespace Vendor\Sms;
class Sms{  
   
    
      private  $API_SEND_URL='http://smssh1.253.com/msg/send/';
      private  $API_ACCOUNT='C0543';
      private  $API_PASSWORD='ItFBqxd2ed';
     
     
     public function __construct(){    
    }  
     function sendSMS($mobile,$msg,$need_status = 1){

        //发送短信的接口参数
        $post_data = array (
            'un' => $this->API_ACCOUNT,
            'pw' =>  $this->API_PASSWORD,
            'msg' => $msg,
            'phone' => $mobile,
            'rd' => $need_status
        );

        $result = $this->curl_post($this->API_SEND_URL,http_build_query($post_data));

        $result=preg_split("/[,\r\n]/",$result);
        return $result;
    }

     function send_state($state){
        //返回的状态码
        $statusStr = array(
            '0' =>'发送成功',
            '101'=>'无此用户',
            '102'=>'密码错',
            '103'=>'提交过快',
            '104'=>'系统忙',
            '105'=>'敏感短信',
            '106'=>'消息长度错',
            '107'=>'错误的手机号码',
            '108'=>'手机号码个数错',
            '109'=>'无发送额度',
            '110'=>'不在发送时间内',
            '111'=>'超出该账户当月发送额度限制',
            '112'=>'无此产品',
            '113'=>'extno格式错',
            '115'=>'自动审核驳回',
            '116'=>'签名不合法，未带签名',
            '117'=>'IP地址认证错',
            '118'=>'用户没有相应的发送权限',
            '119'=>'用户已过期',
            '120'=>'内容不是白名单',
            '121'=>'必填参数。是否需要状态报告，取值true或false',
            '122'=>'5分钟内相同账号提交相同消息内容过多',
            '123'=>'发送类型错误(账号发送短信接口权限)',
            '124'=>'白模板匹配错误',
            '125'=>'驳回模板匹配错误',
            '128'=>'内容解码失败'
        );
        return $statusStr[$state];
    }

    function curl_post($url, $post_data) {
        $ch = curl_init();
        $timeout = 300;
        curl_setopt($ch, CURLOPT_URL, $url);
        //curl_setopt($ch, CURLOPT_REFERER, "http://api.dushiyangguan.com/"); 
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
          curl_setopt( $ch, CURLOPT_TIMEOUT,$timeout); 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        // curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
        $res = curl_exec($ch);
        if (curl_errno($ch)) {
            echo 'Curl error: ' . curl_error($ch);
        }
        curl_close($ch);
        return $res;
    }
    
}