<?php array (
'instance[label]' => 'field_list_text',
'instance[description]' => '',
'field_list_text[und]' => '_none',
'field[cardinality]' => '1',
'field[settings][allowed_values]' => 'zero|Zero
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'form_build_id' => 'form-zGPAsLJdmOXtwfWrFvwMaNV7kQae0k6XPhC-HjrT-bM',
'form_token' => 'L8Sygsl47_Y6n6Dvgy4SzzTxJ1-rKpPV9MtrCTg8KIo',
'form_id' => 'field_ui_field_edit_form',
'op' => 'Save settings',
)