php get url

<?php//header("Content-Type:text/html;charset=gb2312");header("Content-type:text/html;charset=gb2312");include('simple_html_dom.php');//引入类库文件function getUrlRes($url,$headers){    $curl = curl_init();    curl_setopt($curl, CURLOPT_URL, $url);    curl_setopt($curl, CURLOPT_HEADER, 1);    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);    curl_setopt($curl, CURLOPT_PROXY, "http://proxynj.zte.com.cn:80");    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);    $data = curl_exec($curl);    curl_close($curl);    return $data;}function printWebUrl($url){    echo '<a href= '. $url.'>'. $url .' </a> <br />';}function parseJsjszpw($html){    $divs = $html->find('#cnzp3 ul li');    foreach ($divs as $value)    {        $str = $value->children[2]->nodes[0]->_[4];        $str = mb_convert_encoding($str, 'utf-8', 'gbk');        if ( strpos($str,'南京') != false  && ( strpos($str,'中学') != false                || strpos($str,'小学') != false ) )        {            echo  ": " .$value->children[2]->nodes[0]->_[4] . "<br />";        }    }    $html->clear();}$headers = array(    'User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36',    'Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',    'Accept-Encoding:gzip, deflate',    'Accept-Language:zh-CN,zh;q=0.8',    'Cache-Control:max-age=0',    'Proxy-Connection:keep-alive',);$url ="http://www.jsjszpw.com/";$urlResp = getUrlRes($url, $headers);$html = str_get_html($urlResp);printWebUrl($url);parseJsjszpw($html);?>