phpmailer received email but not attachment - phpmailer

Question

I am using the below script to allow user to upload images and email it to me. I did received the email but the attachment is not included in the email. It also show the from email as root user instead of the user's email address. please help.
<?php
ob_start();
require("class.phpmailer.php");
$salutation = $_POST['salutation'];
$firstname = $_POST['firstname'];
$lastname = $_POST['lastname'];
$email = $_POST['email'];
$photo = $_FILES['photo'];
isset($_POST['submit']);
$active_keys = array();
foreach($_FILES[$photo]['name'] as $key => $filename)
{
if(!empty($filename))
{
$active_keys[] = $key;
} }
foreach($active_keys as $key)
{ switch(exif_imagetype($_FILES[$photo]['tmp_name'][$key])) {
case IMAGETYPE_JPEG:
case IMAGETYPE_PNG:
break;
default:
echo "{";
echo "error: 'This is no photo..'\n";
echo "}";
exit(0);
} }
$message = "Photo submitted by: $salutation $firstname $lastname. <br>Comments: $comments.<br>terms:$terms.";
$mail = new PHPMailer();
$mail->From = ($email);
$mail->AddAddress('info#domain.com');
$mail->Subject = "Submitted Photos";
$mail->Body = $message;
$mail->WordWrap = 50;
foreach($FILES['photo']['tmp_name'] as $photo) {
if(!empty($photo)) {
$mail->AddAttachment($photo);
}}
$mail->Send();
header("Location: thankyou.php");
exit();
?>

Answer 1

change
foreach($FILES['photo']['tmp_name'] as $photo) {
to
foreach($_FILES['photo']['tmp_name'] as $photo)