[joeroberts]

Originally Posted by outtyrox

<?php 

class TSUE_captcha
{
    public function verifyCaptcha($recaptcha_challenge_field = "", $recaptcha_response_field = "")
    {
                //
                //PUT YOUR PRIVATE KEY HERE//
                $secret = "6LcsM2gUAAAAAAjbvuAs-YtADTLyAKkG96AX8nmK";
                //
                //
                //
                $remoteip = $_SERVER["REMOTE_ADDR"];
                $url = "https://www.google.com/recaptcha/api/siteverify";
                $response = $_POST["g-recaptcha-response"];
         
                // Curl Request
                $curl = curl_init();
                curl_setopt($curl, CURLOPT_URL, $url);
                curl_setopt($curl, CURLOPT_POST, true);
                curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($curl, CURLOPT_POSTFIELDS, array(
                    'secret' => $secret,
                    'response' => $response,
                    'remoteip' => $remoteip
                    ));
                $curlData = curl_exec($curl);
                curl_close($curl);
         
                // Parse data
                $jsonResponse = json_decode($curlData);
                if ($jsonResponse->success === true)
                    return true;
                else
                    return false;
    }

}

problem here is

$response = $_POST["g-recaptcha-response"];

becuase you well not get that $_POST
you well need to use the

$recaptcha_response_field