PHP – How to implement Google new reCAPTCHA Code Example with Demo?

PHP – How to implement Google new reCAPTCHA Code Example with Demo?

In this post we will give you information about PHP – How to implement Google new reCAPTCHA Code Example with Demo?. Hear we will give you detail about PHP – How to implement Google new reCAPTCHA Code Example with Demo?And how to use it also give you demo for it if it is necessary.

We have to use Google captcha code on our registration form, contact form etc because captcha code prevent spams, bots etc. Google provide us to prevent bots sending form requests that way we can protect our site.

So, Today i am going to give you very simple example of how to add google reCAPTCHA code in Core PHP from scratch. In this example you have to generate our own API Site Key and Secret from google account. But If you don’t know how to generate then no worry, here is the step to generate API Key. we will create two files one “index.php” file for generate view for layout using bootstrap css, another file “process.php” for check your google captcha is right or wrong. So, it is really simple.

So, let’s follow bellow step and after this example you will find layout like as bellow, then you can customize as you want.

Preview:

Generate Google Site Key and Secret

we require to generate google site key and secret key. If you don’t have site key and secret key then you can create from here. First click on this link : Recaptcha Admin

After click you can see bellow view and you need register your site link this way:

Ok, after sucessfully register you can get site key and secret key from like bellow preview.

Ok, now you have to copy your site key and paste on index.php file and secret key on process.php file, you can see it’s place.

index.php

<html lang="en">

<head>

<title>PHP - Google recaptcha code example</title>

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.js"></script>

<script src='https://www.google.com/recaptcha/api.js'></script>

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">

</head>

<body>


<div >

<div >

<div >

<div >

<div ><strong>Contact US Form</strong></div>

<div >

<form action="process.php" method="POST">


<div >

<label >Name:</label>

<div >

<input type="text" name="name" placeholder="Enter Name" required="" />

</div>

</div>


<div >

<label >Email:</label>

<div >

<input type="text" name="email" placeholder="Enter Email" required="" />

</div>

</div>


<div >

<label >Message:</label>

<div >

<textarea type="text" name="message" placeholder="Enter Message" required=""></textarea>

</div>

</div>


<div >

<label >Captcha:</label>

<div >

<div data-sitekey="Add Your Site Key"></div>

</div>


<div >

<div >

<br/>

<input type="submit" name="submit" value="Submit">

</div>

</div>


</form>

</div>

</div>

</div>

</div>

</div>


</body>

</html>


process.php

<?php


if($_SERVER["REQUEST_METHOD"] === "POST")

{


$recaptcha_secret = "Add Your Secret Key";

$response = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=".$recaptcha_secret."&response=".$_POST['g-recaptcha-response']);

$response = json_decode($response, true);


if($response["success"] === true){

echo "Form Submit Successfully.";

}else{

echo "You are a robot";

}


}

Now, you can check in your machine….

Hope this code and post will helped you for implement PHP – How to implement Google new reCAPTCHA Code Example with Demo?. if you need any help or any feedback give it in comment section or you have good idea about this post you can give it comment section. Your comment will help us for help you more and improve us. we will give you this type of more interesting post in featured also so, For more interesting post and code Keep reading our blogs

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