<?php array (
'field_multiple[und]' => '1, 2, 3, 4, 5',
'form_build_id' => 'form-LHMFeQEhoFOHdvgUSrgyyUrkYUFjRVzF1AI1NiwAyvE',
'form_token' => 'uNgSs6lyl95iafVWRcov5qo8zi9N0nEJ0tiWVhVsgz8',
'form_id' => 'field_test_entity_form',
'op' => 'Save',
)