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);

?>