<form method="post" action="">
<?php
include('recaptcha.class.php');
$captcha = new Recaptcha;
$captcha->publicKey = "your public API key";
$captcha->privateKey = "your private API key";
if(isset($_POST) AND !empty($_POST)){
$captcha->checkCaptcha();
$debug = $captcha->getError();
if(!$debug){
echo 'All right';
}
else{
echo $debug;
}
}
echo $captcha->getCaptcha();
?>
<input type="submit" value="Check captcha" />
</form>
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