Check Postepay money via PHP & CURL

postepay.php

#!/usr/bin/php
<?php

/*

To install, just run this command:
sudo curl https://gist.github.com/kopiro/5720439/raw -o /usr/local/bin/postepay && sudo chmod +x /usr/local/bin/postepay

And, edit with:
sudo nano /usr/local/bin/postepay

*/

define('USERNAME', '');
define('PASSWORD', '');
define('CARD_NUMBER', '');

function curl_call($url, $post=array(), $headers=array()) {
	global $cookie;
	$ch = curl_init($url);
	curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
	curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36");
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	if (count($post)) {
		curl_setopt($ch, CURLOPT_POST, count($post));
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
	}
	if (count($headers)) {
		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	}
	$r = curl_exec($ch);
	curl_close($ch);
	return $r;
}

if (!USERNAME || !PASSWORD || !CARD_NUMBER) {
	die("Please configure this script with: nano /usr/local/bin/postepay");
}

$cookie = tempnam("/tmp", "CURLCOOKIE");

curl_call("https://bancopostaonline.poste.it/bpol/bancoposta/logon.fcc", array(
	"USER"=>USERNAME,
	"PASSWORD"=>PASSWORD,
	"submitButton"=>"accedi",
	"target"=>"/bpol/bancoposta/entry/RedirectionGateway.ashx?type=SMACCESS",
	"device_id"=>"[[[INACCESSIBLE]]]]"
	));

$cart_select = curl_call("https://bancopostaonline.poste.it/bpol/cartepre/servizi/cartapostepay/cartapostepay.aspx?pnlstart=listamovimenti");
if (!preg_match('/name\="__VIEWSTATE"\s*value\="([^"]*)/', $cart_select, $match)) {
	die("Error: __VIEWSTATE Unreachable");
}

$viewstate = $match[1];
$money = curl_call("https://bancopostaonline.poste.it/bpol/cartepre/servizi/cartapostepay/cartapostepay.aspx?pnlstart=listamovimenti", array(
	"__VIEWSTATE"=>$viewstate,
	"CartaPostePaySelezionaCarta1:txtNrCartaPre"=>CARD_NUMBER,
	"__EVENTTARGET"=>"CartaPostePaySelezionaCarta1:btnEsegui",
	"__EVENTARGUMENT"=>""
	), array(
	"Referer"=>"https://bancopostaonline.poste.it/bpol/cartepre/servizi/cartapostepay/cartapostepay.aspx?pnlstart=listamovimenti",
	"Origin"=>"https://bancopostaonline.poste.it"
	));

if (!preg_match('/CartaPostePayListaMovimenti1_lblSaldoDisponibile">([^<]*)/', $money, $moneymatch)) {
	die("Error: Money Unreachable");
}

echo "SALDO DISPONIBILE: ".$moneymatch[1];
@unlink($cookie);

and what is the comands ?