PHP קוד:
<?php
session_start();
if(!isset($_POST['submit']))
{
echo <<<FORM
<form method="POST">
Enter Security code: <br />
<img src="securityimage.php" /><input name="code" type="text" />
<input type="submit" name="submit" value="Send">
</form>
FORM;
}
if ($_POST['code'] == $_SESSION['BBCODE']){
echo "פועל";
}
?>
תדבוק