Google reCAPTCHA in php

Protect your website from spam and abuse while letting real people pass through with ease.

The new reCAPTCHA is here. A significant number of your users can now attest they are human without having to solve a CAPTCHA. Instead with just a single click they’ll confirm they are not a robot. We’re calling it the No CAPTCHA reCAPTCHA experience.

How to Install/use reCAPTCHA in website? here i will explain step by step instruction:

STEP 1:
Go to : https://www.google.com/recaptcha/intro/index.html and click on ‘Get reCAPTACHA’ . and fill the form and complete it.

STEP 2:
Now you can see one reCAPTCHA added on you list. just click on it.

STEP 3:
here is you all secret and detail.

STEP4:
Now use in form: HTML Form

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




<form role="form" id="form1" name="form1" method="post" action="thankyou">
					    	<div style="margin-bottom:10px;">
						    	<label style="font-weight:normal;">Name:</label>
						    	<input name="name" type="text" style="width:100%;" class="form-control" required placeholder="Your Full Name" id="name">
						    </div>
						    <div style="margin-bottom:10px;">
						    	<label style="font-weight:normal;">Email:</label>
                                <input type="email" name="email" required placeholder="Enter a valid email address" class="form-control" style="width:100%;">
						    	
						    </div>
						    <div style="margin-bottom:10px;">
						     	<label style="font-weight:normal;">Phone Number:</label>
						    	<input name="phone" type="text" class="form-control" style="width:100%;" required placeholder="Your Contact Number" id="phone">
						    </div>
						    <div style="margin-bottom:10px;">
						    	<label style="font-weight:normal;">Message:</label>
						    	<textarea name="msg" class="form-control" required style="width:100%; height:200px;" id="msg"> </textarea>
						    </div>
						   
                           <div style="text-align:left;">
                           <div class="g-recaptcha" data-sitekey="YOUR-SITE-KEY"></div>
                           </div>
                           
                           <div>
                             <input name="act" type="hidden" id="act" value="send" />
                             <input type="submit" name="button" id="button" value="SUBMIT" class="btn btn-success" style="font-size:16px;" />
                           </div>
					    </form>

</div>

<label style="font-weight:normal;">Email:</label>

</div>

<label style="font-weight:normal;">Phone Number:</label>

</div>

<label style="font-weight:normal;">Message:</label>

</div>

</div>

<div>

</div>

</form>

STEP5:
Submit.php / Form Processing in PHP

<?php
if(isset($_POST['email']) && !empty($_POST['email'])) {


if(isset($_POST['g-recaptcha-response']) && !empty($_POST['g-recaptcha-response']))
{
        //your site secret key
$secret = 'YOUR-SECRET-KEY';
//get verify response data
$verifyResponse = file_get_contents('https://www.google.com/recaptcha/api/siteverify?secret='.$secret.'&response='.$_POST['g-recaptcha-response']);
$responseData = json_decode($verifyResponse);
if($responseData->success){
	
//contact form submission code
$name=$_POST['name'];
$email=$_POST['email'];
$phone=$_POST['phone'];
$msg=$_POST['msg'];



$date=date('d-m-Y H:i:s');
$readed="no";
$read_date="no";


$email_to = "info@xyz.com";
$email_subject = "Email From Melea Website";
$message = "\n\nName: ".$name.
"\n\nEmail: ".$email.
"\n\nPhone: ".$phone.
"\n\nMessage: ".$msg."\n\n";		 

// create email headers
// Always set content-type when sending HTML email
$headers = "MIME-Version: 1.0" . "\r\n";
$headers .= "Content-type:text/html;charset=iso-8859-1" . "\r\n";
$headers .= "X-Priority: 3\r\n";
$headers .= "X-Mailer: PHP". phpversion() ."\r\n";

// More headers
$headers .= "Reply-To:info@xyz.com\r\n";
$headers .= "Return-Path:info@xyz.com\r\n"; 
$headers .= 'From:info@xyz.com' . "\r\n";

$mail_sent=@mail($email_to, $email_subject, $message, $headers);

// insert in to DB	
$name2=htmlspecialchars($_POST['name'],ENT_QUOTES);
$email2=htmlspecialchars($_POST['email'],ENT_QUOTES);
$phone2=htmlspecialchars($_POST['phone'],ENT_QUOTES);
$msg2=htmlspecialchars($_POST['msg'],ENT_QUOTES);	
  
$insert=mysql_query("INSERT INTO contact(name,email,phone,msg,date,readed,read_date) VALUES ('$name2','$email2','$phone2','$msg2','$date2','$readed2','$read_date2')");		  
            
echo"<div class='alert alert-success'>Thank You! We will get back to you as soon as possible!</div>";
			
}
else 
{
$errMsg = "<div class='alert alert-danger'>Robot verification failed, please try again.</div>";
}

}
else
{
$errMsg = "<div class='alert alert-danger'>Please click on the reCAPTCHA box.</div>";
}


echo"$errMsg";


}
?>

<?php

if(isset($_POST['email']) && !empty($_POST['email'])) {

if(isset($_POST['g-recaptcha-response']) && !empty($_POST['g-recaptcha-response']))

{

//your site secret key

$secret = 'YOUR-SECRET-KEY';

//get verify response data

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

$responseData = json_decode($verifyResponse);

if($responseData->success){

//contact form submission code

$name=$_POST['name'];

$email=$_POST['email'];

$phone=$_POST['phone'];

$msg=$_POST['msg'];

$date=date('d-m-Y H:i:s');

$readed="no";

$read_date="no";

$email_to = "info@xyz.com";

$email_subject = "Email From Melea Website";

$message = "\n\nName: ".$name.

"\n\nEmail: ".$email.

"\n\nPhone: ".$phone.

"\n\nMessage: ".$msg."\n\n";

// create email headers

// Always set content-type when sending HTML email

$headers = "MIME-Version: 1.0" . "\r\n";

$headers .= "Content-type:text/html;charset=iso-8859-1" . "\r\n";

$headers .= "X-Priority: 3\r\n";

$headers .= "X-Mailer: PHP". phpversion() ."\r\n";

// More headers

$headers .= "Reply-To:info@xyz.com\r\n";

$headers .= "Return-Path:info@xyz.com\r\n";

$headers .= 'From:info@xyz.com' . "\r\n";

$mail_sent=@mail($email_to, $email_subject, $message, $headers);

// insert in to DB

$name2=htmlspecialchars($_POST['name'],ENT_QUOTES);

$email2=htmlspecialchars($_POST['email'],ENT_QUOTES);

$phone2=htmlspecialchars($_POST['phone'],ENT_QUOTES);

$msg2=htmlspecialchars($_POST['msg'],ENT_QUOTES);

$insert=mysql_query("INSERT INTO contact(name,email,phone,msg,date,readed,read_date) VALUES ('$name2','$email2','$phone2','$msg2','$date2','$readed2','$read_date2')");

echo"<div class='alert alert-success'>Thank You! We will get back to you as soon as possible!</div>";

}

else

{

$errMsg = "<div class='alert alert-danger'>Robot verification failed, please try again.</div>";

}

else

{

$errMsg = "<div class='alert alert-danger'>Please click on the reCAPTCHA box.</div>";

}

echo"$errMsg";

}

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