Captcha met vraag

PHP versie: >= 4.1.0

Broncode

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 100

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 106

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 112

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 119

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 120

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 121

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 199

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 287

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 288

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 289

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 290

Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/jorendew/phphulp/inc/class.ubb.php on line 291

Code

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<?php
ini_set('display_errors', 'On');
error_reporting(E_ALL);

session_start();

$aQuestions = array(
        'Wat is de hoofdstad van Nederland?',
        'Welke taal spreken ze in Engeland?',
        'Hoeveel is twee plus twee als getal?',
        'Wat is het tegenovergestelde van warm?',
        'Is zeewater zoet of zout?',
        'Wat is de laatste maand van een jaar?',
        'Hoeveel dagen zitten er in een jaar? (Geen schrikkeljaar)' );
$aAnswers = array(
        'amsterdam',
        'engels',
        4,
        'koud',
        'zout',
        'december',
        365 );

if($_SERVER['REQUEST_METHOD'] == 'POST')
{
    if(strtolower($_POST['answer']) == $aAnswers[$_SESSION['key']])
    {
        $content[] = '<p>Je hebt het juiste antwoord ingevuld.<p>';
    }
    else
    {
        $content[] = '<p>Captcha niet juist ingevuld!</p>';
    }
}

$_SESSION['key'] = array_rand($aQuestions);
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>PHPtuts.nl - PHP Snippets - Captcha</title>

    <link rel="stylesheet" href="../../styles/default.css" type="text/css" media="screen" />
    <link rel="stylesheet" href="../../styles/ubb.css" type="text/css" media="screen" />
</head>
<body>
    <div id="wrap">
        <p class="none small align-right"><a href="/codeSnippets/"><-- Terug naar Snippets</a></p>
        <h1>Captcha met vraag</h1>
        <div id="info">
            <p>PHP versie: >= 4.1.0</p>
        </div>

        <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
        <label class="field"><?php echo $aQuestions[$_SESSION['key']]; ?></label>
        <input type="text" name="answer" />
        <input type="submit" value="Controleren" />
        </form>

        <?php
        // Weergeven van meldingen uit het phpscript.
        if(isset($errors))
        {
            echo '<ul>';
            foreach($errors as $error);
            {
                echo '<li>'.$error.'</li>';
            }
            echo '</ul>';
        }
        elseif(isset($content))
        {
            foreach($content as $line)
            {
                echo $line;
            }
        }

        // Weergeven broncode
        define('FILE', __FILE__);
        require_once('../broncode.php');
        ?>
    </div>


<script type="text/javascript" src="/inc/ga1.js"></script>
<script type="text/javascript" src="/inc/ga2.js"></script>

</body>
</html>