微信小程序获取指定页面的二维码

<?phpheader('Content-type: image/jpg');$data = array();$data['path']="pages/scanxq/jihe/index";$data['width']=430;$data = json_encode($data);$res = wxHttpsRequest("https://api.weixin.qq.com/wxa/getwxacode?access_token=ACCESS_TOKEN", $data);  echo $res;function wxHttpsRequest($url,$data = null){    $curl = curl_init();    curl_setopt($curl, CURLOPT_URL, $url);    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);    if (!empty($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;} ?>