curl

<?php  function get_content($url){    $ch = curl_init();    curl_setopt($ch, CURLOPT_URL, $url);    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    $header[] = 'Pragma: no-cache';    $header[] = 'DNT: 1';    $header[] = 'Accept-Encoding: gzip, deflate, sdch';    $header[] = 'Accept-Language: zh-CN,zh;q=0.8';    $header[] = 'Upgrade-Insecure-Requests: 1';    $header[] = 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36';    $header[] = 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8';    $header[] = 'Cache-Control: no-cache';    $header[] = 'Connection: keep-alive';    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);    curl_setopt($ch, CURLOPT_ENCODING, 'gzip');    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);    curl_setopt($ch, CURLOPT_TIMEOUT, 60);    curl_setopt($ch, CURLOPT_HEADER, 0);    $data = curl_exec($ch);    curl_close($ch);    return $data;}