/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 vote255 views1 answer
Drupal sync directory in settings.php
PHP Drupal
15 votes269 views2 answers
Php get type of object
PHP
0 vote194 views1 answer
Wordpress use jquery in plugin
PHP
3 votes152 views1 answer
How to call php in html
PHP
0 vote172 views1 answer
Unique key value array php
PHP
5 votes183 views1 answer
Get first 3 elements of array php
PHP
1 vote228 views1 answer
Insert into wp table
PHP
0 vote211 views1 answer
Laravel override eloquent all function
PHP Laravel
0 vote188 views1 answer
OrWhereRaw
PHP
0 vote181 views1 answer
Get absolute path php file
PHP