<?php
/**
* Project: Securimage: A PHP class for creating and managing form CAPTCHA images<br />
* File: securimage_show.php<br />
*
* Copyright (c) 2011, Drew Phillips
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Any modifications to the library should be indicated clearly in the source code
* to inform users that the changes are not a part of the original software.<br /><br />
*
* If you found this script useful, please take a quick moment to rate it.<br />
* http://www.hotscripts.com/rate/49400.html Thanks.
*
* @link http://www.phpcaptcha.org Securimage PHP CAPTCHA
* @link http://www.phpcaptcha.org/latest.zip Download Latest Version
* @link http://www.phpcaptcha.org/Securimage_Docs/ Online Documentation
* @copyright 2011 Drew Phillips
* @author Drew Phillips <drew@drew-phillips.com>
* @version 3.0 (October 2011)
* @package Securimage
*
*/
// Remove the "//" from the following line for debugging problems
// error_reporting(E_ALL); ini_set('display_errors', 1);
if(isset($_GET['df_captcha']))
{
require_once __DIR__ . DIRECTORY_SEPARATOR . 'securimage.php';
session_name('df_app_sessions');
session_start();
if(empty($_SESSION['df_security']['captcha']['config']))
{
exit;
}
$captcha_config = unserialize($_SESSION['df_security']['captcha']['config']);
if(empty($captcha_config) OR !is_array($captcha_config))
{
exit;
}
unset($_SESSION['df_security']['captcha']['config']);
$img = new securimage($captcha_config);
// You can customize the image by making changes below, some examples are included - remove the "//" to uncomment
//$img->ttf_file = './Quiff.ttf';
//$img->captcha_type = Securimage::SI_CAPTCHA_MATHEMATIC; // show a simple math problem instead of text
//$img->case_sensitive = true; // true to use case sensitve codes - not recommended
//$img->image_height = 90; // width in pixels of the image
//$img->image_width = $img->image_height * M_E; // a good formula for image size
//$img->perturbation = .75; // 1.0 = high distortion, higher numbers = more distortion
//$img->image_bg_color = new Securimage_Color("#0099CC"); // image background color
//$img->text_color = new Securimage_Color("#EAEAEA"); // captcha text color
//$img->num_lines = 8; // how many lines to draw over the image
//$img->line_color = new Securimage_Color("#0000CC"); // color of lines over the image
//$img->image_type = SI_IMAGE_JPEG; // render as a jpeg image
//$img->signature_color = new Securimage_Color(rand(0, 64),
// rand(64, 128),
// rand(128, 255)); // random signature color
// see securimage.php for more options that can be set
$img->show(); // outputs the image and content headers to the browser
// alternate use:
// $img->show('/path/to/background_image.jpg');
}
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