获取度娘快递tokenV2实现免费快递查询

/*获取百度快递tokenV2和cookie
返回获取如：curl_post()['tokenV2']
*/
function curl_post(){
	$url='https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=2&tn=baiduhome_pg&wd=%E5%BF%AB%E9%80%92%E5%8D%95%E5%8F%B7%E6%9F%A5%E8%AF%A2';
     $ch = curl_init();
	 curl_setopt($ch, CURLOPT_URL, $url);
	 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
	 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	 curl_setopt($ch, CURLOPT_HEADER, TRUE);
	$headers = array();
    $headers[] = 'Connection: close';
	$headers[] = 'Upgrade-Insecure-Requests: 1';
	$headers[] = 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36';
	$headers[] = 'Sec-Fetch-Dest: document';
	$headers[] = 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9';
	$headers[] = 'Sec-Fetch-Site: none';
	$headers[] = 'Sec-Fetch-Mode: navigate';
	$headers[] = 'Sec-Fetch-User: ?1';
	$headers[] = 'Accept-Language: zh-CN,zh;q=0.9';
    $headers[] = 'Cookie: PSTM=1588249253; BAIDUID=C34E0834A4B2DA6CBA0B25FA3A67FC8D:FG=1; BIDUPSID=735A45B6473102ED12E4236A4401AE21; BD_UPN=12314353; BDORZ=B490B5EBF6F3CD402E515D22BCDA1598; BDUSS=2FaaXBqcDhaY0p-U1JvMXJ3dnVVdnJlSklhelZkSEQ1aGF1a1lWYjh3WnNVOUplSVFBQUFBJCQAAAAAAAAAAAEAAADfyRotztLX3MrHzvvO-7n-uf4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGzGql5sxqpeZ; H_PS_PSSID=1461_31325_21098_31254_31342_31271_31464_30824_31164_22158; delPer=0; BD_CK_SAM=1; PSINO=5; sug=3; sugstore=0; ORIGIN=2; bdime=0; H_PS_645EC=fe7bDpIqw0Ye%2FC9V9rTqXv5ARp5x3G1lJcPTrEHREGKf1YbuRCoB6oR0frw';
     curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
      $content= curl_exec($ch);
     curl_close($ch);
        //获取tokenV2
        preg_match('/tokenV2=(.*?)"/i', $content, $match);
        //获取cookie
        preg_match_all('/^Set-Cookie:s*([^;]*)/mi', $content, $matches);
        $cookies=implode(';',$matches[1]);
        //echo $cookies;
        return ['tokenV2'=>$match[1],'cookie'=>$cookies];
     //return $output;
}

$url=' 
echo $url;//复制地址到浏览器访问