<?php array (
'nested_file_remove_button' => 'Remove',
'nested[file][fid]' => '12',
'textfield' => '',
'form_build_id' => 'form-JZVo9op4R5U57IyqWbbSEQDUjx6VziQUiSvhCoIrJkg',
'form_token' => 'KyPWBJk2jJWyyHnpBGR7xKQoCGP39AyuKRCYwc4ghp8',
'form_id' => 'file_module_test_form',
)