curl抓取https网页

function get_file($url)
{
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); // https请求 不验证证书和hosts
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
$data = curl_exec($curl);
curl_close($curl);
return $data;
}