In this tutorial, we’re going to learn how you can integrate Google reCAPTCHA to your website using PHP.
Recaptcha generally used to protect the website from spammers. It is best and easy way to show CAPTCHA within your website.
How does it work?
When the user clicks on I’m not a Robot Checkbox then it shows different types of images on the screen. Now user needs to select images based on asked question in reCAPTCHA. For example, it may ask the user to select all images which have Street number, select all house images, etc.