recaptcha.php

<?php

	if(isset($_POST['submit']) && !empty($_POST['submit'])):
		if(isset($_POST['g-recaptcha-response']) && !empty($_POST['g-recaptcha-response'])):
    		//your site secret key
   		$secret ='6Lf6QlkUAAAAAETWbPN0Z6fBYmlZhE2tJu4FG2e7';
    		//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
            $name = !empty($_POST['name'])?$_POST['name']:'';
            $email = !empty($_POST['email'])?$_POST['email']:'';
            $message = !empty($_POST['message'])?$_POST['message']:'';
            
            $to = 'contact@codexworld.com';
            $subject = 'New contact form have been submitted';
            $htmlContent = "
                <h1>Contact request details</h1>
                <p><b>Name: </b>".$name."</p>
                <p><b>Email: </b>".$email."</p>
                <p><b>Message: </b>".$message."</p>
            ";
            // Always set content-type when sending HTML email
            $headers = "MIME-Version: 1.0" . "\r\n";
            $headers .= "Content-type:text/html;charset=UTF-8" . "\r\n";
            // More headers
            $headers .= 'From:'.$name.' <'.$email.'>' . "\r\n";
            //send email
            @mail($to,$subject,$htmlContent,$headers);
            
            $succMsg = 'Your contact request have submitted successfully.';
        	else:
            	$errMsg = 'Robot verification failed, please try again.';
        		endif;
    		else:
       			$errMsg = 'Please click on the reCAPTCHA box.';
    		endif;
		else:
    		$errMsg = '';
    		$succMsg = '';
		endif;
?>