captcha - Google recaptcha and PHP -


i trying troubleshoot form using google recaptcha version 1.0 - when form gets submitted g-recaptcha-response filled means google happy real person recaptcharesponse empty meaning form not submit cannot sure real person.

when form submitted value in $_post:

[g-recaptcha-response] => 03ahj_vuvki7ovsl6bzug1nn5wpok4huilmhafmml1rmeiwwzn-tij8iryae01z-rjzaatfbkp2itfc2snrtv3v7cg7yosospqxumsuldghcqwg7cedscxlsuaab6jontoqypti0vp4n6sfupg0gfnjmkxjpnefennvscimsvtikubhfy18byzxtarxcqjb_r_ehcnil0zm5hhpiejufajyqgivz1grqkr_bzhlkzvckvqkrw9zl-rvrgthufqi_ifjrnl5ze5ev1vwrezfx9j8aoq1gkyw6cjk8wysrp9ax816ifnyyaptv_nim6qbpm3nftejlz0ft0fu7kd5mqofllqsarvopsdt-w2hrl4eknbiea-yrdwpu9-8-lx3wtzy6kvdm_9cb_8i1tjkoamu70mxc0yl5i9rf0nlus_hagwcizfdw9v5ptiiyed9hpiw3h4nzpzbkac3faruqznkftempo0telilq [submit] => )

and content of recaptcharesponse:

recaptcharesponse object ( [success] => [errorcodes] => )

here code using validate response - fails on !$response->success makes sense success empty why empty when g-recaptcha-response populated?

    $secret= "my_secret";      require_once('recaptchalib.php');      $recaptcha = new recaptcha($secret);      if ($_post["g-recaptcha-response"]) {         $response = $recaptcha->verifyresponse(             $_server["remote_addr"],             $_post["g-recaptcha-response"]         );         print_r($response);         print $response->success;         print $response->error-codes;          if ($response == null) {             $error_message='<p>please validate captcha response 1</p>';             $error=1;         } elseif (!$response->success){             $error_message='<p>please validate captcha response 2</p>';             $error=1;         }     } else {         $error_message='<p>please validate captcha response 3</p>';         $error=1;     }

for responses that, use var_dump() instead of print_r(), latter prints false , null whitespace.

print_r($response); -> recaptcharesponse object (     [success] =>     [errorcodes] => )  var_dump($response); -> object(recaptcharesponse)#1 (2) {   ["success"]=>   bool(false)   ["errorcodes"]=>   null }

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