Curl data acceptance problem

/Define a target URL to send; <br>                  $url = "https://www.btc123.com/api/getTicker?symbol=btcchinabtccny";<br>                                         // Define the passed parameter array; <br>               $data['buy']='buy';<br>                    $data['buydollar']='buydollar';<br>                                                                                                                                             ’ ’ ‐                             out out out through out out out out out out out out out out Out out out Out backwards's   ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ , ​ ​ ​ ​ ​ ​                  $httpstr = http($url, $data, 'POST', array("Content-type: text/html; charset=utf-8"));<br> <br> <br> ​​​​//Slideshow<br>           $flash=M('Flash')->order('sort')->limit(6)->select();<br>               $this->assign('flash',$flash);<br>What is the problem that data cannot be obtained through this method? Has anyone foreseen it? Ask for help, you can pay for it