Form 3

<?php
session_start();

//check input fields for error
$errors = '';
$myemail = 'myemail@example.com';//<-----Put Your email address here.

if(empty($_POST['name'])  ||
   empty($_POST['phone']) ||
   empty($_POST['email']))
{
    $errors .= "\n Error: all fields are required";
}
//call from form1.php
$address = $_SESSION['address'];

//call from form2.php
$condition_home = $_SESSION['condition_home'];
$selling_plan = $_SESSION['selling_plan'];
$comment = $_SESSION['comment'];

$name = $_POST['name'];
$phone = $_POST['phone'];
$email_address = $_POST['email'];

//redirect to second page
if( empty($errors))
{
    $to = $myemail;
    $email_subject = "Contact form submission: $name";
    $email_body = "You have received a new message. ".
    " Here are the details:\n Name: $name \n Email: $email_address \n Phone Number: $phone \n\n Address: $address \n Home Condition: $home_condition \n Selling Plan: $selling_plan \n Comment: $comment";

    $headers = "From: $email_address\n";
    $headers .= "Reply-To: $email_address";

    mail($to,$email_subject,$email_body,$headers);
    //redirect to the "Thank You" page
    header('Location: thankyou_page.php');
}

?>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
        <title>Contact form handler</title>
</head>

<body>
<!-- This page is displayed only if there is some error -->
<?php
echo nl2br($errors);
?>
<br />
<a href="landing_page.php">Return to Home</a>

</body>
</html>