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Google captcha is used in forms to avoid spam users in websites. It also provide security to your contact form.
But, the thing is how to use it?
We do a lot of search in Google to understand how to add Google captcha in our from. In Our previous blog post Captcha using PHP and jQuery, we have explained you how to create and implement your own captcha using PHP, jQuery and AJAX in your forms. Now this blog post guide you to setup that captcha for your forms. Now to set it up, you need to use captcha library offered by Google. That captcha library contains captcha.php file , which we will include in our PHP file i.e form.php to produce captcha image.
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HTML Form File: form.php
We have created a simple HTML form here and included google captcha image generated from captcha.php .
jQuery Code : scripts.js
Here, we can change captcha by clicking change captcha link.
VERIFYING CAPTCHA : verify.php
Verifying user input CAPTCHA text with google generated CAPTCHA .
CSS File: style.css
Styling HTML elements.