This is probably useful to someone.

<?php
array(
        0=>"There is no error, the file uploaded with success", 
        1=>"The uploaded file exceeds the upload_max_filesize directive in php.ini", 
        2=>"The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form"
        3=>"The uploaded file was only partially uploaded",
        4=>"No file was uploaded",
        6=>"Missing a temporary folder" 
);
?>