Reply-to header in contact form PHP - php

Question

// Subject of your email
$subject = $_REQUEST['subject'] . ' - Personal website contact form submittion.';
// Recipient's E-mail
$to = 'recipient#domain.com';
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
// Sender's E-mail
$headers .= "From: Contact Form (Domain.com) <no-reply#domain.com>";
$message .= 'Name: ' . $_REQUEST['name'] . "<br>";
$message .= 'Email: ' . $_REQUEST['email'] . "<br>";
$message .= 'Message: ' . $_REQUEST['message'] . "<br>";
if (#mail($to, $subject, $message, $headers)) {
// Transfer the value 'sent' to ajax function for showing success message.
echo 'sent';
} else {
// Transfer the value 'failed' to ajax function for showing error message.
echo 'failed';
}
How do I put reply-to header here?
Reply-to email should be the email that person enters while filling up the form, I don't know PHP can anyone help me out? thanks

Answer 1

<?php
$subject = $_REQUEST['subject'] . ' - Personal website contact form submittion.'; // Subject of your email
$to = 'recipient#domain.com'; //Recipient's E-mail
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
$headers .= "From: Contact Form (Domain.com) <no-reply#domain.com>\r\n"; // Sender's E-mail
$headers .= "Reply-To: ".$_REQUEST['email']."<". $_REQUEST['email'].">\r\n" .
$message .= 'Name: ' . $_REQUEST['name'] . "<br>";
$message .= 'Email: ' . $_REQUEST['email'] . "<br>";
$message .= 'Message: ' . $_REQUEST['message'] . "<br>";
if (#mail($to, $subject, $message, $headers))
{
// Transfer the value 'sent' to ajax function for showing success message.
echo 'sent';
}
else
{
// Transfer the value 'failed' to ajax function for showing error message.
echo 'failed';
}
?>