function login($username,$pass){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://www.vietteltelecom.vn/dang-nhap");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_HEADER, 1);
$result = curl_exec($ch);
$cookie = explode(";", explode('Set-Cookie: ', $result)[1])[0]; //Lấy cookie
$csrf_token = explode('"', explode('<input type="hidden" name="vt_signin[_csrf_token]" value="', $result)[1])[0];
$ch1 = curl_init();
curl_setopt($ch1, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch1, CURLOPT_URL, $url);
curl_setopt($ch1, CURLOPT_POSTFIELDS, "vt_signin%5B_csrf_token%5D=$csrf_token&vt_signin%5Bcategory%5D=mob&vt_signin%5Busername%5D=$username&vt_signin%5Bpassword%5D=$pass");
curl_setopt($ch1, CURLOPT_POST, 1);
curl_setopt($ch1, CURLOPT_HEADER, 1);
$headers = array();
$headers[] = 'Content-Type: application/x-www-form-urlencoded';
$headers[] = 'Cookie: ' . $cookie;
$headers[] = 'User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) coc_coc_browser/77.0.126 Chrome/71.0.3578.126 Safari/537.36';
curl_setopt($ch1, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch1, CURLOPT_COOKIEJAR, "cookie.txt");
curl_setopt($ch1, CURLOPT_COOKIEFILE, "cookie.txt");
$result = curl_exec($ch1);
$info = curl_getinfo($ch1);
$code = $info['http_code'];
if($code == 200) {
echo 'Tài Khoản MyViettel Sai Hoặc Đã Có Lỗi Vui Lòng Thử Lại';
}
else {
echo 'Tài Khoản MyViettel Đúng';
}
}
$user = "tk myvt";
$pass = "mk";
login($user,$pass);