File: example.php

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  Classes of Francisco del Aguila  >  SGCaptcha  >  example.php  >  Download  
File: example.php
Role: Example script
Content type: text/plain
Description: Sample use of sgcaptcha.php
Class: SGCaptcha
CAPTCHA validation using geometric shapes
Author: By
Last change: Upload
Date: 5 years ago
Size: 1,562 bytes
 

Contents

Class file image Download
<?php
   
// Example for the PHP simple geometric captcha
   
session_start();
   
$sent = (isset($_SESSION['captcha'])) ? TRUE : FALSE;
    if (
$sent) {
       
$value = stripslashes(strip_tags(trim($_POST['value'])));
       
$captchaOk = ($value == $_SESSION['captcha']) ? TRUE : FALSE;
        unset(
$_SESSION['captcha']);
    }
?>
<!DOCTYPE html>
<head>
    <meta charset="UTF-8" />
    <meta name="application-name" content="Simple geometric captcha for PHP" />
    <meta name="author" content="Francisco del Aguila. faguila@alboran.net" />
    <title>Simple geometric captcha example</title>
</head>
<body>
    <?php
       
if ($sent) {
            if (
$captchaOk) {
                echo
'CORRECT<br/><hr/>';
            } else {
                echo
'INCORRECT<br/><hr/>';
            }
        }
   
?>
<h1>Simple geometric captcha example</h1>
    <img src="sgcaptcha.php" style="width:350px;" alt="Captcha" />
    <br/>
    Input the digits inside the key figures.
    <br/>
    (Key figures are the ones equal to the black coloured, at the right)
    <br/>
    <form action="example.php" method="post">
        <input type="text" name="value" size="12" maxlength="12" />
        <br/>
        <input type="submit" value="submit" />
    </form>
    <br/><br/>
    <span style="font-size:.8em;">
        Copyright &copy; 2014, Francisco del Aguila<br/>
        This software is under the MIT license.<br/>
        See contents of file README.txt for more information.
    </span>
</body>
</html>


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