Get the errors of uploaded file

PHP
1

When i uploaded a (.doc) file, i printed the $_FILES array and got the following array.

Array
(
    [cv] => Array
        (
            [name] => Document.doc
            [type] =>
            [tmp_name] =>
            [error] => 2
            [size] => 0
        )

)


I want to know the errors of uploaded file.

2

Check out this page of the php documentation.