curl https get请求

<?php$curl = curl_init();curl_setopt($curl,CURLOPT_URL,"https://182.92.170.245/qrcode/");curl_setopt($curl, CURLOPT_PORT, 443);curl_setopt($curl, CURLOPT_SSLVERSION, 3);curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); //信任任何证书/*curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0); // 检查证书中是否设置域名,0不验证curl_setopt($curl, CURLOPT_VERBOSE, 1); //debug模式curl_setopt($curl, CURLOPT_SSLCERT, "./keys/client.crt"); //client.crt文件路径curl_setopt($curl, CURLOPT_SSLCERTPASSWD, "112358"); //client证书密码curl_setopt($curl, CURLOPT_SSLKEY, "./keys/client.key");*/$data = curl_exec($curl);var_dump($data,curl_error($curl));?>