<?php

/**
 * @file
 * Implementation of hook_update_N().
 * This will update all cck_select_other widget fields to include
 * a select_list_options_php option. Without this each field will
 * return an undefined warning or error until updated by an admin.
 * @return $ret the status of the update
 */
function cck_select_other_update_6001(&$sandbox) {
  $ret = array();
  $allfields = content_fields();
  $fields = array();
  $i = 0;
  foreach ($allfields as $field) {
    if ($field['widget']['type'] == 'cck_select_other' && !isset($fields[$sandbox['progress']]['widget']['select_list_options_php'])) {
      $fields[] = $field;
      $i++;
    }
  }

  if (!isset($sandbox['progress'])) {
    $sandbox['progress'] = 0;
    $sandbox['current_field'] = $fields[0]['field_name'];
    $sandbox['max'] = $i;
  }

  module_load_include('inc', 'content', 'includes/content.crud');

  $fields[$sandbox['progress']]['widget']['select_list_options_php'] = '';
  _content_field_write($fields[$sandbox['progress']], 'update');
  _content_field_instance_write($fields[$sandbox['progress']], 'update');

  drupal_set_message(t('Updated field, %field_name, to include select_list_options_php widget option.', array('%field_name' => $sandbox['current_field'])));

  $sandbox['progress']++;
  $sandbox['current_field'] = $fields[$sandbox['progress']]['field_name'];

  $ret['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['progress'] / $sandbox['max']);

  return $ret;
}