gistfile1.php

<?php
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "http://spamsoft.pl/quotedev/login.php?login");
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_COOKIESESSION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_REFERER, 'http://spamsoft.pl/quotedev/index.php');
curl_setopt($ch, CURLOPT_COOKIEFILE, '/tmp/__cookie');
curl_setopt($ch, CURLOPT_COOKIEJAR, '/tmp/__cookie');

curl_exec($ch);
curl_setopt($ch, CURLOPT_URL, "http://spamsoft.pl/quotedev/login.php");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, 'username=Pieter&password=papierek222&login=0');
echo curl_exec($ch);

curl_close($ch);
?>