AoA PHP

<?php
//credentials
$username = "username";
$password = "password";
$url = 'https://age-of-aincrad.com/forum/login/login';
//$postdata = "login=".$username."&register=0&password=".$password."&cookie_check=1&redirect=%2Fforum%2F&_xfToken=";
$cookie_file_path = "cookie.txt";

//get xftoken
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
$result = curl_exec($ch);
preg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $result, $matches);
$cookies = array();
foreach($matches[1] as $item) {
    parse_str($item, $cookie);
    $cookies = array_merge($cookies, $cookie);
}


$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_NOBODY, false);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);

curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);

curl_setopt($ch, CURLOPT_COOKIE, "cookie.txt=0");
curl_setopt($ch, CURLOPT_USERAGENT,
    "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_REFERER, "age-of-aincrad.com");
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

$postdata = "login=".$username."&register=0&password=".$password."&cookie_check=1&redirect=%2Fforum%2F&_xfToken=".$cookies["xf_session"];

curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
curl_exec($ch);

//get page
curl_setopt($ch, CURLOPT_URL, "http://age-of-aincrad.com/forum/");

/*
$postdata = "sidebar=1&lastrefresh=1483795763&fake=0&room=1&_xfRequestUri=%2Fforum%2F&_xfNoRedirect=1&_xfToken=".$cookies['xf_session']."&_xfResponseType=json";
*/

//show page
$html = curl_exec($ch);
curl_close($ch);
echo $html;

?>