<?php
// (c) Copyright 2002-2009 by authors of the Tiki Wiki/CMS/Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
//session_start();
// hmm. to many session tweaks in setup_smarty ... we need to call this
require_once ('tiki-setup.php');
if ($prefs['feature_antibot'] != 'y' && $prefs['rnd_num_reg'] != 'y') {
	die;
}
//random_number.php
$img_number = imagecreate(95, 30);
$white = imagecolorallocate($img_number, 255, 255, 255);
$black = imagecolorallocate($img_number, 0, 0, 0);
$grey_shade = imagecolorallocate($img_number, 204, 204, 204);
imagefill($img_number, 0, 0, $grey_shade);
srand(time());
$number = get_random();
$_SESSION['random_number'] = $number;
for ($i = 0; $i < 5; $i++) {
	Imagestring($img_number, 5, 10 + 17 * $i + rand(0, 2), 1 + rand(0, 10), substr($number, $i, 1), $black);
}
header("Content-type: image/jpeg");
imagejpeg($img_number);
function get_random() {
	// return a 5 digit value
	return rand(10000, 99999);
}
