<?php array (
'file_test_replace' => 1,
'file_subdir' => '',
'extensions' => '',
'is_image_file' => '1',
'op' => 'Submit',
'form_build_id' => 'form-rAx2n1LIreKDHUdLMCsT4D4EP5wi_e1BSnfOl-ZpAKA',
'form_token' => 'mSvISwbxjQ3UYmJlraDU3uiDDfh5X7VmtpLoQK3GjUE',
'form_id' => '_file_test_form',
)