The Google reCaptcha is a security system that uses a test to distinguish between human and machine to verify if the data is correct. This system will protect your website from spam and malicious code. The Google reCaptcha is a security system that uses a test to distinguish between human and machine to verify if the data is correct. This system will protect your website from spam and malicious code. Google reCaptcha is a security system that uses a test to distinguish between human and machine to verify if the data is correct. This system will protect your website from spam and malicious code. Google reCaptcha is a security system that uses a test to distinguish between human and machine to verify if the data is correct. This system

One of the main advantages of PHP is that it’s a open source and free solution for building a website. However, the lack of a good documentation and performance concerns are two of the main reasons why many opt for closed source solutions. One of the best reasons for using PHP is that it provides a better development process. For example, integration of third-party libraries in PHP is fairly easy and there are many open source libraries available for free.

A contact form is a web form on a website that allows a user to contact the owner of the website. The contact form offers the user an easy way to ask questions. Users can complete and submit the form. In general, every website needs a contact form so that users can easily contact you and get information about your products and services. A contact form is necessary for any website, no matter what type of website you create. The contact form helps users who are on your website and trying to solve problems. A contact form can help visitors share tips they encounter while using your website.

In this article, we will show you how to create a fully functional contact form in PHP using Google ReCaptcha. First we need to create a user form, so let’s get started.

Contact form with PHP

In this post, I use Bootstrap to develop a contact form. Bootstrap allows us to create a responsive contact form, which saves us time. You can also create your own design with custom CSS.

<!doctype html>.



PHP contact form with Google Captcha







You can also add a validation to this form using jQuery or Javascript. In the code above you can also see that I am adding a Google Recaptcha block. You can read this article to learn how to create a Google reCaptcha key.

Trade in data from contact forms PHP

The design of the contact form is ready, now we can process the data sent by the contact form.

if($_POST) {
$name = ;
$email = ;
$query = ;

$cap = $_POST[‘g-recaptcha-response’];
$ch = curl_init(‘$cap);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
curl_close($ch) ;

$cap_response = json_decode($result) ;


$email_body =


si(isset($_POST[‘name’])) {
$name = filter_var($_POST[‘name’], FILTER_SANITIZE_STRING);
$email_body .=



if(isset($_POST[’email’])) {
$email = str_replace(array(r, n, %0a, %0d), ”, $_POST[’email’]);
$email = filter_var($email, FILTER_VALIDATE_EMAIL);
$email_body .=

Visitors email:.$visitor_email.


if(isset($_POST[‘query’]) {
$query = filter_var($_POST[‘query’], FILTER_SANITIZE_STRING);
$email_body .=



$recipient = [email protected] ;

$email_body .=


$email_title = website request;

$headers=MIME-Version : 1.0 . rn
.’Content-type : text/html ; charset=utf-8′ . rn
.’From : ‘ . $email . rn ;

if(mail($recipient, $email_title, $email_body, $headers)) {

Thanks for contacting me, $Name. You will receive an answer within one hour.

} else {
echo ‘

We’re sorry, but the letter hasn’t been sent.

echo ‘

Captcha verification error.


} else {
echo ‘

Something went wrong.


In the above code, we can first retrieve the data that you can see in our contact form, we use the post method to send the data to the server, so we can use $_POST to retrieve the data. Now, before we process the data, we can first verify that the data sent by the customer was sent by a person using Google’s reCaptcha verification. After the user is authenticated, we send him an email using the PHP mail method. That’s it.

Example of a contact form in PHP

If you are using a custom server, you must set up a custom mail server to send the message. You can read this article (Sending emails from PHP with PostFix).

I hope this article will help you create a contact form and send an email.

This source has been very much helpful in doing our research. Read more about how to add recaptcha to contact form html and let us know what you think.

Frequently Asked Questions

How does PHP integrate with Google reCAPTCHA?

The reCAPTCHA project is Google’s attempt to thwart spammers by creating a free service whereby users can verify that they are human by identifying images of objects contained in a distorted block of text. The project started in 2009, but they began integrating it into other services in 2010, including the popular WordPress content management system (CMS). When a user signs up for a new WordPress blog, for instance, that user is given the option to install WordPress’ built-in reCAPTCHA plugin, which works with the reCAPTCHA API to verify that the user is human before allowing the user to continue with the installation. PHP (a recursive acronym for “PHP: Hypertext Preprocessor” or “PHP: Hypertext Processor”) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. PHP code is usually processed by a PHP interpreter implemented as a module in the web server or as a Common Gateway Interface (CGI) executable.

How do I add a reCAPTCHA to a contact form?

Let’s say you need to add a reCAPTCHA to a contact form you have on your website. But if you’re not a developer, there is no way you will be able to do it yourself. That’s why you need a plugin. The problem is, there are tons of plugins and it’s hard to figure out which is the right one for you. That’s why we’ve created a list for you. It includes only the best plugins for this job and the most important thing – they are all FREE! The days of spam are officially over, thanks to reCAPTCHA. The system originally started out as an experiment by Google to prevent spammers from using online forums and blogs to post spam comments. However, Google soon realized that reCAPTCHA could be used to protect against spam in many different ways, which led to it being used on popular sites like Facebook. Today, reCAPTCHA isn’t just used on websites — there are also mobile apps that Google provides in order to protect against spam on those mobile devices.

How do I validate a Google reCAPTCHA on a form?

If you are doing a lot of e-commerce or have a lot of people completing forms, you may want to validate the information you receive from your users. One way to do that is to use a Google reCAPTCHA on your form. When a user completes a form, you can then check to see if the information they entered matches what you have on file for them by validating the information they entered. It’s a good idea to do this when you are collecting sensitive information, such as credit card or Social Security numbers. Google reCAPTCHA is a widespread mechanism for protecting websites against spam and abuse. However, the reCAPTCHA widget can be challenging to integrate: it may require writing a lot of code, it may not be as secure as you’d like, or you might need to make it accessible to users with disabilities. Fortunately, there are several wrappers around reCAPTCHA that can make the process of integrating the widget easier.

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