curl

    //http get
        public function httpRequest($url){

            $ch = curl_init();

            curl_setopt($ch, CURLOPT_URL, $url);

            curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
            curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);

            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            $output = curl_exec($ch);

            if($output == false){
                return ‘curl error:‘.curl_error($ch);
            }

            curl_close($ch);

            return $output;
        }


        //curl获取参数
        //https 中的 get  和  post
        public function https_request($url,$data=null){
            
            $curl = curl_init();
        
            curl_setopt($curl,CURLOPT_URL,$url);

            curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,false);
            curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,false);

            //不为空，使用post传参数，否则使用get
            if($data){

                curl_setopt($curl,CURLOPT_POST,1);
                curl_setopt($curl,CURLOPT_POSTFIELDS,$data);

            }

            curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);
            
            $output = curl_exec($curl);
            curl_close($curl);

            return $output;
        }