How to Add Captcha in PHP Registration Form?

Today, We want to share with you how to add captcha in php registration form.In this post we will show you how to validate captcha in php, hear for how to add google captcha in php registration form we will give you demo and example for implement.In this post, we will learn about Simple PHP Create Custom Captcha Generator with an example.

Implementation of Captcha in Registration Form in PHP

Step 1: Create Table In DB by Sql Query

CREATE TABLE `visitors1` (
  `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

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 Google captcha Link: https://www.google.com/recaptcha/admin .Then get your site key and secret key.about:blank

Step 4: Create User Registration Form with Captcha Validation In PHP

    
        
        
        
        
        
        
    


    

        

            Add Google Captchacode in PHP Registration Form
        
        

            

                

                    Name
                    
                
                                
                

                    Email location
                    
                    We'll never share your email with anyone else.
                
                

                    Password
                    
                
                   
                

                    Confirm Password
                    
                
   
                

                
            
        
    

Step 5: Create PHP File to Check Captchacode and Save User Details

success)
    {
        $name = $_POST['name'];
        $email = $_POST['email'];
        $pass = $_POST['password'];
        mysqli_query($conn, "INSERT INTO visitors(name, email ,password) VALUES('" . $_POST['name'] . "', '" . $_POST['email'] . "', '" . md5($_POST['password']) . "')");
        echo "Visitor registration form with captchacode validation has been successfully saved";
    }
}

I hope you get an idea about how to add captchacode in php login form.
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