AbdjXLU2

1<?php
2  $email;$comment;$captcha;
3  $email = filter_input(INPUT_POST, 'email', FILTER_VALIDATE_EMAIL);
4  $comment = filter_input(INPUT_POST, 'comment', FILTER_SANITIZE_STRING);
5  $captcha = filter_input(INPUT_POST, 'token', FILTER_SANITIZE_STRING);
6  if(!$captcha){
7    echo '<h2>Please check the the captcha form.</h2>';
8    exit;
9  }
10  $secretKey = "-----put your secret here------";
11  $ip = $_SERVER['REMOTE_ADDR'];
12
13  // post request to server
14  $url = 'https://www.google.com/recaptcha/api/siteverify';
15  $data = array('secret' => $secretKey, 'response' => $captcha);
16
17  $options = array(
18    'http' => array(
19      'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
20      'method'  => 'POST',
21      'content' => http_build_query($data)
22    )
23  );
24  $context  = stream_context_create($options);
25  $response = file_get_contents($url, false, $context);
26  $responseKeys = json_decode($response,true);
27  header('Content-type: application/json');
28  if($responseKeys["success"]) {
29    echo json_encode(array('success' => 'true'));
30  } else {
31    echo json_encode(array('success' => 'false'));
32  }
33?>