<?php array (
'nested_file_remove_button' => 'Remove',
'nested[file][fid]' => '17',
'textfield' => '',
'form_build_id' => 'form-JHEBE9zhwFaNgcfK1uoBZaSeEXDn-zr1CuNsp7LaSyQ',
'form_token' => 'KyPWBJk2jJWyyHnpBGR7xKQoCGP39AyuKRCYwc4ghp8',
'form_id' => 'file_module_test_form',
)