/PHP/How to add recaptcha validation in php

How to add recaptcha validation in php

index.html

<html>
  <head>
    <title>Google recapcha demo - Codeforgeek</title>
    <script src='https://www.google.com/recaptcha/api.js'></script>
  </head>
  <body>
    <h1>Google reCAPTHA Demo</h1>
    <form id="comment_form" action="form.php" method="post">
      <input type="email" placeholder="Type your email" size="40"><br><br>
      <textarea name="comment" rows="8" cols="39"></textarea><br><br>
      <input type="submit" name="submit" value="Post comment"><br><br>
      <div class="g-recaptcha" data-sitekey="=== Your site key ==="></div>
    </form>
  </body>
</html>
verify.php

<?php
    $email; $comment; $captcha;

    if(isset($_POST['email']))
        $email=$_POST['email'];
    if(isset($_POST['comment']))
        $comment=$_POST['comment'];
    if(isset($_POST['g-recaptcha-response']))
        $captcha=$_POST['g-recaptcha-response'];

    if(!$captcha){
        echo '<h2>Please check the the captcha form.</h2>';
        exit;
    }

    $response = json_decode(file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=YOUR SECRET KEY&response=".$captcha."&remoteip=".$_SERVER['REMOTE_ADDR']), true);
    if($response['success'] == false)
    {
        echo '<h2>You are spammer ! Get the @$%K out</h2>';
    }
    else
    {
        echo '<h2>Thanks for posting comment.</h2>';
    }
?>

Source: stackoverflow.com

Similar codes

0 vote307 views1 answer
'laravel'
PHP
2 votes320 views2 answers
Laravel get column field name
PHP
14 votes374 views5 answers
Laravel model tablename
PHP Laravel
0 vote333 views2 answers
Laravel filemanger choose multiple images
PHP
6 votes310 views1 answer
Get domain from url cakephp
PHP
2 votes371 views1 answer
Path of app directory in controller laravel
PHP Laravel
0 vote353 views1 answer
You are *required* to use the date.timezone setting or t
PHP
0 vote413 views1 answer
Symfony Expected argument of type "string", "null" given
PHP Symfony
0 vote453 views1 answer
Comment désactiver la barre latérale Widgets sur des pages spécifiques WordPress
PHP Wordpress
6 votes334 views3 answers
Get term id by post id
PHP