<?php
/**********************************************\
* Copyright (c) 2013 Manolis Agkopian *
* See the file LICENCE for copying permission. *
\**********************************************/
require_once 'vendor/autoload.php';
session_start();
$mathCaptcha = new MathCaptcha\MathCaptcha();
try {
$mathCaptcha->generate();
$mathCaptcha->output();
} catch (MathCaptcha\MathCaptchaException $e) {
// Here you normally log the error, and you can output an error image
// to notify the user that something went wrong, if you want.
}
<?php
/**********************************************\
* Copyright (c) 2013 Manolis Agkopian *
* See the file LICENCE for copying permission. *
\**********************************************/
require_once 'vendor/autoload.php';
session_start();
$msg = '';
// Check if form has been submited
if (isset($_POST['submit']) && !empty($_POST['submit'])) {
// Check if user answered the question
if (!isset($_POST['captcha_ans']) || $_POST['captcha_ans'] === '') {
$msg = '<span class="error">Please fill the answer to the math question</span>';
} else {
$mathCaptcha = new MathCaptcha\MathCaptcha();
// Validate the answer
if ($mathCaptcha->check($_POST['captcha_ans']) === true) {
// In a real application here you can register/login the user, insert a comment in the database etc
$msg = '<span class="success">SUCCESS</span>';
} else {
$msg = '<span class="error">You didn\'t answered the question correctly</span>';
}
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>PHP Math Captcha</title>
