/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

3 votes230 views5 answers
Get current locale laravel
PHP
1 vote240 views1 answer
Disable edit-link storefront
PHP
2 votes218 views2 answers
How unset request parameter in laravel
PHP
1 vote301 views1 answer
Print url in view yii2
PHP Yii
5 votes241 views3 answers
Wordpress get_permalink
PHP Wordpress
7 votes239 views4 answers
Laravel blade uppercase
PHP
1 vote214 views5 answers
Collection methods laravel
PHP
6 votes236 views1 answer
Php convert print_r to array
PHP
6 votes227 views3 answers
Ubuntu 20.04 how to install npm
PHP
0 vote238 views1 answer
Running laravel project in mobile phone
PHP Laravel