Invalid-request-cookie Error
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What Does Invalid Recaptcha Mean
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Invalid Recaptcha Response
posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of recaptcha invalid-request-cookie 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Google reCaptcha says:invalid-request-cookie up vote 4 down vote favorite this is my first time in using recaptcha on my website. I'm using PHP API to validate the recaptcha, it keeps saying invalid-request-cookie I found out on different recaptcha verification failed forum that www.example.com is different with example.com, so I register my site again without www , but still it is not working.. When I verify the recaptcha_response_field and recaptcha_challenge_field the values are correct. here is the captcha checker: require_once(recaptchalib.php'); $publickey = "not displayed"; //for security $privatekey = "not displayed"; //for security $error = null; if( $_POST ) { $arr = array('a' => $_POST['task'], 'b' => $_POST['recaptcha_challenge_field'], 'c' => $_POST['recaptcha_response_field']); if( trim($arr['a']) == 'captcha' ) { $resp = null; $error = null; $captcha_result = 'success'; $resp = recaptcha_check_answer( $privatekey, $_SERVER["REMOTE_ADDR"], $arr['b'], $arr['c'] ); if( $resp->error ){ $captcha_result = 'fail'; } echo $captcha_result; } } here is the HTML code: