Text_CAPTCHA_Numeral

require_once 'Text/CAPTCHA/Numeral.php';
$num       = new Text_CAPTCHA_Numeral;
$operation = $num->getOperation();

/**
 * This will print the mathematical operation
 * that has been generated by the package.
 */
print $operation;

require_once 'Text/CAPTCHA/Numeral.php';
$numcap = new Text_CAPTCHA_Numeral;

if (isset($_POST['captcha']) && isset($_SESSION['answer'])) {
    if ($_POST['captcha'] == $_SESSION['answer']) {
        $errors[] = 'Ok... You might be human...';
    } else {
        $errors[] = 'You are dumb or not human';
    }
}
    if (!empty($errors)) {
        foreach ($errors as $error) {
            print "<h1><font color='red'>$error</font></h1><br />";
        }
    }


    print '
        <form name="capter" action="index.php?page=liveExample" method="post">
         <table>
          <tr>
           <th>What is this result pilgrim?: '.$numcap->getOperation().'</th>
           <td><input type="text" value="" name="captcha" /></td>
          </tr>
          <tr>
           <th/>
           <td><input type="submit" value="Let me prove you that I am human!" /></td>
          </tr>
        </form>
    ';
    $_SESSION['answer'] = $numcap->getAnswer();