PHP File Upload example 2....multiple files . This is from php.net check it out there.

<form action="" method="post" enctype="multipart/form-data">  
<p>Pictures:  <input type="file" name="pictures[]" />  
<input type="file" name="pictures[]" />  
<input type="file" name="pictures[]" />  
<input type="submit" value="Send" />  
</p>  
</form>  

<?php
foreach ($_FILES["pictures"]["error"] as $key => $error) {
    if ($error == UPLOAD_ERR_OK) {
        $tmp_name = $_FILES["pictures"]["tmp_name"][$key];
        $name = $_FILES["pictures"]["name"][$key];
        move_uploaded_file($tmp_name, "data/$name");
    }
}
?>