WB 2.11.0

<?php

// $Id: old_image.php 2 2017-07-02 15:14:29Z Manuela $

/*

 Website Baker Project <http://www.websitebaker.org/>

 Copyright (C) 2004-2009, Ryan Djurovich

 Website Baker is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2 of the License, or

 (at your option) any later version.

 Website Baker is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with Website Baker; if not, write to the Free Software

 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

require_once("../../../config.php");

require_once(WB_PATH.'/include/captcha/captcha.php');

if(!isset($_SESSION['captcha_time']))

    exit;

//unset($_SESSION['captcha_time']);

// Captcha

srand((double)microtime()*100000);

$sec_id = '';

if(isset($_GET['s'])) $sec_id = $_GET['s'];

$_SESSION['captcha'.$sec_id] = rand(10000,99999);

// create reload-image

$reload = ImageCreateFromPNG(WB_PATH.'/include/captcha/reload_120_30.png'); // reload-overlay

$w=120;

$h=30;

$image = imagecreate($w, $h);

$white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);

$gray = imagecolorallocate($image, 0xC0, 0xC0, 0xC0);

$darkgray = imagecolorallocate($image, 0x50, 0x50, 0x50);

srand((double)microtime()*1000000);

for($i = 0; $i < 30; $i++) {

    $x1 = rand(0,$w);

    $y1 = rand(0,$h);

    $x2 = rand(0,$w);

    $y2 = rand(0,$h);

    imageline($image, $x1, $y1, $x2, $y2 , $gray);  

}

$x = 0;

for($i = 0; $i < 5; $i++) {

    $fnt = rand(3,5);

    $x = $x + rand(12 , 20);

    $y = rand(7 , 12); 

    imagestring($image, $fnt, $x, $y, substr($_SESSION['captcha'.$sec_id], $i, 1), $darkgray); 

}

imagealphablending($reload, TRUE);

imagesavealpha($reload, TRUE);

// overlay

imagecopy($reload, $image, 0,0,0,0, 120,30);

imagedestroy($image);

$image = $reload;

captcha_header();

ob_start();

imagepng($image);

header("Content-Length: ".ob_get_length()); 

ob_end_flush();

imagedestroy($image);

?>