fe_profile.module

<?php

/**
 * Implementation of hook_features_api().
 */
function fe_profile_features_api() {
  return array(
      'fe_profile' => array(
          'name' => t('Profile fields'),
          'feature_source' => TRUE,
          'default_hook' => 'fe_profile_export_fields',
          'default_file' => FEATURES_DEFAULTS_INCLUDED_COMMON,
      )
  );
}

/**
 * Implementation of hook_features_export_options().
 */
function fe_profile_features_export_options() {
  $options = array();
  $table    = 'profile_field'; 
  
  $query = "SELECT * FROM {{$table}}";
  $fields = db_query($query);
  while ($row = $fields->fetchObject()) {
    $options[$row->name] = $row->name;
  }

  return $options;
}

/**
 * Implementation of hook_features_export().
 */
function fe_profile_features_export($data, &$export, $module_name = '') {
  $export['dependencies']['profile'] = 'profile';

  foreach ($data as $machine_name) {
    $export['features']['fe_profile'][$machine_name] = $machine_name;
  }
  return array();
}

/**
 * Implementation of hook_features_export_render().
 */
function fe_profile_features_export_render($module_name, $data) {
  $items = array();
  $table    = 'profile_field'; 
  
  foreach ($data as $key) {
    $field = db_query("SELECT * FROM {{$table}} WHERE name = :profile_field_name", array(':profile_field_name' => $key))->fetchObject();
    $items[$key] = $field;
  }
  $code = "  \$items = " . features_var_export($items, '  ') . ";\n";
  $code .= '  return $items;';
  return array('fe_profile_export_fields' => $code);
}

/**
 * Implementation of hook_features_revert().
 */
function fe_profile_features_revert($module) {
  $table = 'profile_field';
  $defaults = features_get_default('fe_profile', $module);
  
  // Revert.
  foreach ($defaults as $object) {    
    _fe_profile_save_field($object);    
  }
}

function _fe_profile_save_field($field_data) {
  
  if (!isset($field_data['options'])) {
    $field_data['options'] = '';
  }
  if (!isset($field_data['page'])) {
    $field_data['page'] = '';
  }
  if (!isset($field_data['fid'])) {
    $field_data = (object)$field_data;   
    drupal_write_record('profile_field', $field_data);
  }
  else {
    $field_data = (object)$field_data;
    
    if(!db_query("SELECT * FROM {profile_field} WHERE fid = :fid", array(':fid' => $field_data->fid))->fetchObject() )  {      
      drupal_write_record('profile_field', $field_data);
    }
    else {      
      drupal_write_record('profile_field', $field_data, array('fid'));
    }
    
  }
}