How to Add Captcha in PHP Registration Form

How to Add Captcha in PHP Registration Form

Google re captcha code in html, php form. Here, you will learn how to add captach, google captcha in PHP html Forms for validate forms.

To add the Google CAPTCHA in PHP HTML Form. In this post, we will show you how to integrate or add google captcha in PHP HTML forms(registration, login, contact form).

And using the captcha with PHP html forms, you can easily validate your contact, registration, login and other form data in PHP.

How to Add Google Captcha in PHP Registration Form

Use the below given easy steps to add captach in PHP html forms(registration, login, contact etc.):

  1. Create Table In DB by Sql Query
  2. Create Database Connection PHP File
  3. Register your website on Google Re captcha and Get All Details
  4. Create User Registration Form with Captcha Validation In PHP
  5. Create PHP File to Check Captcha and Save User Details

Step 1: Create Table In DB by Sql Query

First of all, open your phpmyadmin and run the following sql query. To create table into your selected database:

CREATE TABLE `users1` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(30) NOT NULL,
  `email` varchar(100) NOT NULL,
  `password` varchar(250) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `email` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Step 2: Create a Database Connection PHP File

In this step, create a file name db.php and add the following code into db.php file:

<?php
    $servername='localhost';
    $username='root';
    $password='';
    $dbname = "my_db";
    $conn=mysqli_connect($servername,$username,$password,"$dbname");
      if(!$conn){
          die('Could not Connect MySql Server:' .mysql_error());
        }
?>

Step 3: Register your website on Google Re captcha and Get All Details

To add google recaptcha to your website you need to register your website here https://www.google.com/recaptcha/admin. Then get your site key and secret key.about:blank

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