delete-drupal-fields

gistfile1.txt

/**
 * Deletes obsolete fields.
 */
function generic_project_update_7000() {
  $fields = array(
    'field_gp_country',
    'field_gp_description',
    'field_gp_location',
    'field_gp_project_manager',
    'gp_project_manager',
    'field_gp_tags',
    'nuts_regions',
    'field_nuts_regions',
    'field_abbreviation',
    'field_adrress',
    'field_address',
    'field_budget',
    'field_date',
    'field_links',
    'field_location',
    'gp_adrress',
  );
  foreach ($fields as $field) {
    if ($instance = field_info_instance('node', $field, 'generic_project')) {
      field_delete_instance($instance);
    }
  }
  field_purge_batch(count($fields));

}