download txt from https://www.visaovip.com/lista-preco

download.php

<?php

//first you need to retrieve the jsessionid and javax.ViewState
$url = 'https://www.visaovip.com/lista-preco';

$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($handle, CURLOPT_HEADER, 1);
$result = curl_exec($handle);

$matches = [];
preg_match('/JSESSIONID=([^;]+)/', $result, $matches);
$jSessionId = current($matches);
preg_match('/javax\.faces\.ViewState.*value="([^"]+)"/', $result, $matches);
$javaxFacesViewState = $matches[1];

//Then do the post
$fields = [
    'formFaleConosco' => 'formFaleConosco',
    'formListaPG' => 'formListaPG',
    'formListaPG:j_idt72' => '',
    'javax.faces.ViewState' => $javaxFacesViewState
];
$fields_string = http_build_query($fields);

$handle = curl_init();

curl_setopt($handle, CURLOPT_URL, $url);
curl_setopt($handle, CURLOPT_POST, count($fields));
curl_setopt($handle, CURLOPT_POSTFIELDS, $fields_string);
curl_setopt($handle, CURLOPT_HTTPHEADER, [
    'Content-Type: application/x-www-form-urlencoded', 
    'Connection: Keep-Alive',
    'Cookie: primefaces.download=true;' . $jSessionId
]);

curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); 

//do the post
$result = curl_exec($handle);

//the fucking txt file
echo $result;