How to add recapcha in our website.

$email;$comment;$captcha;

if(isset($_POST['email'])){

$email=$_POST['email'];

}if(isset($_POST['g-recaptcha-response'])){

$captcha=$_POST['g-recaptcha-response'];

}

if(!$captcha){

echo '

Please check the the captcha form.

';

exit;

}

$response=file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=YOUR SECRET KEY&response=".$captcha."&remoteip=".$_SERVER['REMOTE_ADDR']);

if($response.success==false)

{

echo '

You are spammer ! Get the @$%K out

';

}else

{

echo '

Thanks for posting comment.

';

}

?>