function _field_form_state_parents

Returns the location of processing information within $form_state.

File

modules/field/field.form.inc, line 546

Code

function _field_form_state_parents($parents, $field_name, $langcode) {
    // To ensure backwards compatibility on regular entity forms for widgets that
    // still access $form_state['field'][$field_name] directly,
    // - top-level fields (empty $parents) are placed directly under
    //   $form_state['fields'][$field_name].
    // - Other fields are placed under
    //   $form_state['field']['#parents'][...$parents...]['#fields'][$field_name]
    //   to avoid clashes between field names and $parents parts.
    // @todo Remove backwards compatibility in Drupal 8, and use a unique
    // $form_state['field'][...$parents...]['#fields'][$field_name] structure.
    if (!empty($parents)) {
        $form_state_parents = array_merge(array(
            '#parents',
        ), $parents, array(
            '#fields',
        ));
    }
    else {
        $form_state_parents = array();
    }
    $form_state_parents = array_merge(array(
        'field',
    ), $form_state_parents, array(
        $field_name,
        $langcode,
    ));
    return $form_state_parents;
}