Why is my recaptcha response unsuccessful? - php

Question

I have been looking for what I might be doing wrong and for solutions all over but none seem to rectify my problem. I have a form with a recaptcha, it is pretty simple. But my recaptcha validation fails every time and echo's "Not successful" when it should be successful. What am I doing wrong? Here is my code.
<?php
require_once('src/autoload.php');
require_once('src/ReCaptcha/ReCaptcha.php');
require_once('src/ReCaptcha/RequestMethod.php');
require_once('src/ReCaptcha/RequestParameters.php');
require_once('src/ReCaptcha/Response.php');
require_once('src/ReCaptcha/RequestMethod/Post.php');
require_once('src/ReCaptcha/RequestMethod/Socket.php');
require_once('src/ReCaptcha/RequestMethod/SocketPost.php');
require_once('src/ReCaptcha/RequestMethod/Curl.php');
require_once('src/ReCaptcha/RequestMethod/CurlPost.php');
$gRecaptchaResponse = $_POST['g-recaptcha-response'];
$remoteIp = $_SERVER['REMOTE_ADDR'];
$SITEKEY = 'XXXX';
$secret = 'XXXX';
$recaptcha = new \ReCaptcha\ReCaptcha($secret);
$resp = $recaptcha->verify($gRecaptchaResponse, $remoteIp);
if ($resp->isSuccess()) {
echo "success";
} else {
$errors = $resp->getErrorCodes();
echo "not success";
echo $errors;
}
?>

Answer 1

//reCaptcha
$StrUrl = "https://www.google.com/recaptcha/api/siteverify";
$StrSecretKey = "XXXXXX";
$data = array('secret' => $StrSecretKey, 'response' => $_POST['Response']);
$ch = curl_init($StrUrl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
$Response = curl_exec($ch);
curl_close($ch);
$Robot = json_decode($Response);
$data = 0;
if(isset($Robot->success) AND $Robot->success==true){
//CODE
}
Try this. It was originally designed for an AJAX call, however if you change the $_POST['Response'] to the name of the response variable then it should work, hopefully.