PHP Simple Captcha by Hawk Enterprises
PHP Simple Captcha as demostrated here
Is one of the easiest programs to use when it comes to captcha. We use this code in a lot of our applications and find it to be one of the best solutions around. It’s as easy as this :
[php]
Yourpage.php
session_start();
$key=substr($_SESSION['key'],0,5);
$number = $_POST['number'];
if($number==$key){
// do captcha protected stuff here
}
?>
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