<head> <title>reCaptcha 2.0 API Class</title> <?php echo $recaptcha->script(); ?> </head> <body> <?php ob_start(); ?> <form method="post"> <input type="text" name="example" value="" placeholder="Example Field" /> <?php echo $recaptcha->captcha(); ?> <input type="submit" value="Submit" /> </form> <?php $form = ob_get_clean(); if (!empty($_POST)) { if ($recaptcha->success()) { echo "Passed Captcha."; } else { echo "Failed Captcha."; echo $form; } } else { echo $form; }