diff --git a/modules/field/field.attach.inc b/modules/field/field.attach.inc
index 4cf57c4831bbddae731461ae0b1d7bd0d05c874d..5f2229376c43a9fbad787225f043376c3f5dcd60 100644
--- a/modules/field/field.attach.inc
+++ b/modules/field/field.attach.inc
@@ -182,7 +182,7 @@ function _field_invoke($op, $obj_type, $object, &$a = NULL, &$b = NULL, $options
 
   // Iterate through the object's field instances.
   $return = array();
-  list(, , $bundle) = field_attach_extract_ids($obj_type, $object);
+  list(, , $bundle) = field_extract_ids($obj_type, $object);
 
   if ($options['deleted']) {
     $instances = field_read_instances(array('bundle' => $bundle), array('include_deleted' => $options['deleted']));
@@ -299,7 +299,7 @@ function _field_invoke_multiple($op, $obj_type, $objects, &$a = NULL, &$b = NULL
   // is deleted, so we reference field data via the
   // $object->$field_name property.
   foreach ($objects as $object) {
-    list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+    list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
 
     if ($options['deleted']) {
       $instances = field_read_field(array('bundle' => $bundle, array('include_deleted' => $options['deleted'])));
@@ -489,7 +489,7 @@ function field_attach_form($obj_type, $object, &$form, &$form_state, $langcode =
   $form += (array) _field_invoke_default('form', $obj_type, $object, $form, $form_state, $options);
 
   // Add custom weight handling.
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $form['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
   $form['#pre_render'][] = '_field_extra_weights_pre_render';
   $form['#extra_fields'] = field_extra_fields($bundle);
@@ -608,7 +608,7 @@ function field_attach_load($obj_type, $objects, $age = FIELD_LOAD_CURRENT, $opti
     if ($cache_write) {
       foreach ($queried_objects as $id => $object) {
         $data = array();
-        list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+        list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
         $instances = field_info_instances($bundle);
         foreach ($instances as $instance) {
           $data[$instance['field_name']] = $queried_objects[$id]->{$instance['field_name']};
@@ -802,7 +802,7 @@ function field_attach_insert($obj_type, $object) {
   // Field storage module saves any remaining unsaved fields.
   module_invoke(variable_get('field_storage_module', 'field_sql_storage'), 'field_storage_write', $obj_type, $object, FIELD_STORAGE_INSERT, $skip_fields);
 
-  list($id, $vid, $bundle, $cacheable) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle, $cacheable) = field_extract_ids($obj_type, $object);
   if ($cacheable) {
     cache_clear_all("field:$obj_type:$id", 'cache_field');
   }
@@ -830,7 +830,7 @@ function field_attach_update($obj_type, $object) {
   // Field storage module saves any remaining unsaved fields.
   module_invoke(variable_get('field_storage_module', 'field_sql_storage'), 'field_storage_write', $obj_type, $object, FIELD_STORAGE_UPDATE, $skip_fields);
 
-  list($id, $vid, $bundle, $cacheable) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle, $cacheable) = field_extract_ids($obj_type, $object);
   if ($cacheable) {
     cache_clear_all("field:$obj_type:$id", 'cache_field');
   }
@@ -855,7 +855,7 @@ function field_attach_delete($obj_type, $object) {
     $function($obj_type, $object);
   }
 
-  list($id, $vid, $bundle, $cacheable) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle, $cacheable) = field_extract_ids($obj_type, $object);
   if ($cacheable) {
     cache_clear_all("field:$obj_type:$id", 'cache_field');
   }
@@ -1089,7 +1089,7 @@ function field_attach_view($obj_type, $object, $build_mode = 'full', $langcode =
   $output = _field_invoke_default('view', $obj_type, $object, $build_mode, $null, $options);
 
   // Add custom weight handling.
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $output['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
   $output['#pre_render'][] = '_field_extra_weights_pre_render';
   $output['#extra_fields'] = field_extra_fields($bundle);
@@ -1119,7 +1119,7 @@ function field_attach_view($obj_type, $object, $build_mode = 'full', $langcode =
  *   values.
  */
 function field_attach_preprocess($obj_type, $object, $element, &$variables) {
-  list(, , $bundle) = field_attach_extract_ids($obj_type, $object);
+  list(, , $bundle) = field_extract_ids($obj_type, $object);
 
   foreach (field_info_instances($bundle) as $instance) {
     $field_name = $instance['field_name'];
@@ -1243,85 +1243,6 @@ function field_attach_delete_bundle($bundle) {
   }
 }
 
-/**
- * Helper function to extract id, vid, and bundle name from an object.
- *
- * @param $obj_type
- *   The type of $object; e.g. 'node' or 'user'.
- * @param $object
- *   The object from which to extract values.
- * @return
- *   A numerically indexed array (not a hash table) containing these
- *   elements:
- *
- *   0: primary id of the object
- *   1: revision id of the object, or NULL if $obj_type is not versioned
- *   2: bundle name of the object
- *   3: whether $obj_type's fields should be cached (TRUE/FALSE)
- */
-function field_attach_extract_ids($obj_type, $object) {
-  // TODO D7 : prevent against broken 3rd party $node without 'type'.
-  $info = field_info_fieldable_types($obj_type);
-  // Objects being created might not have id/vid yet.
-  $id = isset($object->{$info['object keys']['id']}) ? $object->{$info['object keys']['id']} : NULL;
-  $vid = ($info['object keys']['revision'] && isset($object->{$info['object keys']['revision']})) ? $object->{$info['object keys']['revision']} : NULL;
-  // If no bundle key provided, then we assume a single bundle, named after the
-  // type of the object.
-  $bundle = $info['object keys']['bundle'] ? $object->{$info['object keys']['bundle']} : $obj_type;
-  $cacheable = $info['cacheable'];
-  return array($id, $vid, $bundle, $cacheable);
-}
-
-/**
- * Helper function to extract id, vid, and bundle name from an object.
- *
- * @param $obj_type
- *   The type of $object; e.g. 'node' or 'user'.
- * @param $bundle
- *   The bundle object (or string if bundles for this object type do not exist
- *   as standalone objects).
- * @return
- *   The bundle name.
- */
-function field_attach_extract_bundle($obj_type, $bundle) {
-  if (is_string($bundle)) {
-    return $bundle;
-  }
-
-  $info = field_info_fieldable_types($obj_type);
-  if (is_object($bundle) && isset($info['bundle keys']['bundle']) && isset($bundle->{$info['bundle keys']['bundle']})) {
-    return $bundle->{$info['bundle keys']['bundle']};
-  }
-}
-
-/**
- * Helper function to assemble an object structure with initial ids.
- *
- * This function can be seen as reciprocal to field_attach_extract_ids().
- *
- * @param $obj_type
- *   The type of $object; e.g. 'node' or 'user'.
- * @param $ids
- *   A numerically indexed array, as returned by field_attach_extract_ids(),
- *   containing these elements:
- *   0: primary id of the object
- *   1: revision id of the object, or NULL if $obj_type is not versioned
- *   2: bundle name of the object
- * @return
- *   An $object structure, initialized with the ids provided.
- */
-function field_attach_create_stub_object($obj_type, $ids) {
-  $object = new stdClass();
-  $info = field_info_fieldable_types($obj_type);
-  $object->{$info['object keys']['id']} = $ids[0];
-  if (isset($info['object keys']['revision']) && !is_null($ids[1])) {
-    $object->{$info['object keys']['revision']} = $ids[1];
-  }
-  if ($info['object keys']['bundle']) {
-    $object->{$info['object keys']['bundle']} = $ids[2];
-  }
-  return $object;
-}
 
 /**
  * @} End of "defgroup field_attach"
diff --git a/modules/field/field.default.inc b/modules/field/field.default.inc
index ceecbba3a624c32c0124decd5339b97bebce7452..50e71e30ed9b0d37eefd2cd9e7de0f4ffb6059c9 100644
--- a/modules/field/field.default.inc
+++ b/modules/field/field.default.inc
@@ -59,7 +59,7 @@ function field_default_insert($obj_type, $object, $field, $instance, $langcode,
  * @see field_attach_view()
  */
 function field_default_view($obj_type, $object, $field, $instance, $langcode, $items, $build_mode) {
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
 
   $addition = array();
   $display = $instance['display'][$build_mode];
diff --git a/modules/field/field.form.inc b/modules/field/field.form.inc
index b28acd07b60aeef0ceb731d75aea42ed4fbe6457..16cd30ed90e4f9c6768831773e72f7216fe588ae 100644
--- a/modules/field/field.form.inc
+++ b/modules/field/field.form.inc
@@ -13,7 +13,7 @@ function field_default_form($obj_type, $object, $field, $instance, $langcode, $i
   // This could be called with no object, as when a UI module creates a
   // dummy form to set default values.
   if ($object) {
-    list($id, , ) = field_attach_extract_ids($obj_type, $object);
+    list($id, , ) = field_extract_ids($obj_type, $object);
   }
   $addition = array();
 
diff --git a/modules/field/field.module b/modules/field/field.module
index ef27a0618980ea73d856771e38a4b211e0bf9a1d..487ea359577eae045893a80ec5f48fcb7e783495 100644
--- a/modules/field/field.module
+++ b/modules/field/field.module
@@ -500,7 +500,7 @@ function field_format($obj_type, $object, $field, $item, $formatter_type = NULL,
     $field_type = field_info_field_types($field['type']);
 
     // We need $field, $instance, $obj_type, $object to be able to display a value...
-    list(, , $bundle) = field_attach_extract_ids($obj_type, $object);
+    list(, , $bundle) = field_extract_ids($obj_type, $object);
     $instance = field_info_instance($field['field_name'], $bundle);
 
     $display = array(
@@ -630,6 +630,86 @@ function field_access($op, $field, $account = NULL) {
   return TRUE;
 }
 
+/**
+ * Helper function to extract id, vid, and bundle name from an object.
+ *
+ * @param $obj_type
+ *   The type of $object; e.g. 'node' or 'user'.
+ * @param $object
+ *   The object from which to extract values.
+ * @return
+ *   A numerically indexed array (not a hash table) containing these
+ *   elements:
+ *
+ *   0: primary id of the object
+ *   1: revision id of the object, or NULL if $obj_type is not versioned
+ *   2: bundle name of the object
+ *   3: whether $obj_type's fields should be cached (TRUE/FALSE)
+ */
+function field_extract_ids($obj_type, $object) {
+  // TODO D7 : prevent against broken 3rd party $node without 'type'.
+  $info = field_info_fieldable_types($obj_type);
+  // Objects being created might not have id/vid yet.
+  $id = isset($object->{$info['object keys']['id']}) ? $object->{$info['object keys']['id']} : NULL;
+  $vid = ($info['object keys']['revision'] && isset($object->{$info['object keys']['revision']})) ? $object->{$info['object keys']['revision']} : NULL;
+  // If no bundle key provided, then we assume a single bundle, named after the
+  // type of the object.
+  $bundle = $info['object keys']['bundle'] ? $object->{$info['object keys']['bundle']} : $obj_type;
+  $cacheable = $info['cacheable'];
+  return array($id, $vid, $bundle, $cacheable);
+}
+
+/**
+ * Helper function to extract id, vid, and bundle name from an object.
+ *
+ * @param $obj_type
+ *   The type of $object; e.g. 'node' or 'user'.
+ * @param $bundle
+ *   The bundle object (or string if bundles for this object type do not exist
+ *   as standalone objects).
+ * @return
+ *   The bundle name.
+ */
+function field_extract_bundle($obj_type, $bundle) {
+  if (is_string($bundle)) {
+    return $bundle;
+  }
+
+  $info = field_info_fieldable_types($obj_type);
+  if (is_object($bundle) && isset($info['bundle keys']['bundle']) && isset($bundle->{$info['bundle keys']['bundle']})) {
+    return $bundle->{$info['bundle keys']['bundle']};
+  }
+}
+
+/**
+ * Helper function to assemble an object structure with initial ids.
+ *
+ * This function can be seen as reciprocal to field_extract_ids().
+ *
+ * @param $obj_type
+ *   The type of $object; e.g. 'node' or 'user'.
+ * @param $ids
+ *   A numerically indexed array, as returned by field_extract_ids(),
+ *   containing these elements:
+ *   0: primary id of the object
+ *   1: revision id of the object, or NULL if $obj_type is not versioned
+ *   2: bundle name of the object
+ * @return
+ *   An $object structure, initialized with the ids provided.
+ */
+function field_create_stub_entity($obj_type, $ids) {
+  $object = new stdClass();
+  $info = field_info_fieldable_types($obj_type);
+  $object->{$info['object keys']['id']} = $ids[0];
+  if (isset($info['object keys']['revision']) && !is_null($ids[1])) {
+    $object->{$info['object keys']['revision']} = $ids[1];
+  }
+  if ($info['object keys']['bundle']) {
+    $object->{$info['object keys']['bundle']} = $ids[2];
+  }
+  return $object;
+}
+
 /**
  * Theme preprocess function for field.tpl.php.
  *
@@ -637,7 +717,7 @@ function field_access($op, $field, $account = NULL) {
  */
 function template_preprocess_field(&$variables) {
   $element = $variables['element'];
-  list(, , $bundle) = field_attach_extract_ids($element['#object_type'], $element['#object']);
+  list(, , $bundle) = field_extract_ids($element['#object_type'], $element['#object']);
   $instance = field_info_instance($element['#field_name'], $bundle);
   $field = field_info_field($element['#field_name']);
 
diff --git a/modules/field/field.test b/modules/field/field.test
index 752428acbe262aef24a35eaf35dbb8936960fcda..04ceb0ab2f14ac71af92f5408f13ae3d7eb364d0 100644
--- a/modules/field/field.test
+++ b/modules/field/field.test
@@ -2135,7 +2135,7 @@ class FieldBulkDeleteTestCase extends FieldTestCase {
   function _generateStubObjects($obj_type, $objects, $field_name = NULL) {
     $stubs = array();
     foreach ($objects as $obj) {
-      $stub = field_attach_create_stub_object($obj_type, field_attach_extract_ids($obj_type, $obj));
+      $stub = field_create_stub_entity($obj_type, field_extract_ids($obj_type, $obj));
       if (isset($field_name)) {
         $stub->{$field_name} = $obj->{$field_name};
       }
diff --git a/modules/field/modules/field_sql_storage/field_sql_storage.module b/modules/field/modules/field_sql_storage/field_sql_storage.module
index 55b75715f6b0b43083c60c3ab1ebe5a37e029584..ff096dfe6b3bd0bbe147e47108f924da01958a44 100644
--- a/modules/field/modules/field_sql_storage/field_sql_storage.module
+++ b/modules/field/modules/field_sql_storage/field_sql_storage.module
@@ -238,7 +238,7 @@ function field_sql_storage_field_storage_load($obj_type, $objects, $age, $skip_f
   $field_ids = array();
   $delta_count = array();
   foreach ($objects as $obj) {
-    list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $obj);
+    list($id, $vid, $bundle) = field_extract_ids($obj_type, $obj);
 
     if ($options['deleted']) {
       $instances = field_read_instances(array('bundle' => $bundle), array('include_deleted' => $options['deleted']));
@@ -301,7 +301,7 @@ function field_sql_storage_field_storage_load($obj_type, $objects, $age, $skip_f
  * Implement hook_field_storage_write().
  */
 function field_sql_storage_field_storage_write($obj_type, $object, $op, $skip_fields) {
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $etid = _field_sql_storage_etid($obj_type);
 
   $instances = field_info_instances($bundle);
@@ -399,7 +399,7 @@ function field_sql_storage_field_storage_write($obj_type, $object, $op, $skip_fi
  * This function deletes data for all fields for an object from the database.
  */
 function field_sql_storage_field_storage_delete($obj_type, $object) {
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $etid = _field_sql_storage_etid($obj_type);
 
   $instances = field_info_instances($bundle);
@@ -416,7 +416,7 @@ function field_sql_storage_field_storage_delete($obj_type, $object) {
  * an object.
  */
 function field_sql_storage_field_storage_purge($obj_type, $object, $field, $instance) {
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $etid = _field_sql_storage_etid($obj_type);
 
   $field = field_info_field_by_id($field['id']);
@@ -532,7 +532,7 @@ function field_sql_storage_field_storage_query($field_id, $conditions, $count, &
       $id = ($load_current || empty($entity_type['object keys']['revision'])) ? $row->entity_id : $row->revision_id;
 
       if (!isset($return[$row->type][$id])) {
-        $return[$row->type][$id] = field_attach_create_stub_object($row->type, array($row->entity_id, $row->revision_id, $row->bundle));
+        $return[$row->type][$id] = field_create_stub_entity($row->type, array($row->entity_id, $row->revision_id, $row->bundle));
         $obj_count++;
       }
     }
@@ -553,7 +553,7 @@ function field_sql_storage_field_storage_query($field_id, $conditions, $count, &
  * This function actually deletes the data from the database.
  */
 function field_sql_storage_field_storage_delete_revision($obj_type, $object) {
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $etid = _field_sql_storage_etid($obj_type);
 
   if (isset($vid)) {
diff --git a/modules/field_ui/field_ui.admin.inc b/modules/field_ui/field_ui.admin.inc
index 759e539200b534fa4890086abc7e799896d93299..9b9537ac5943df9a3e464be60c7a263f5b16e7f1 100644
--- a/modules/field_ui/field_ui.admin.inc
+++ b/modules/field_ui/field_ui.admin.inc
@@ -66,7 +66,7 @@ function field_ui_inactive_message($bundle) {
  * Allows fields and pseudo-fields to be re-ordered.
  */
 function field_ui_field_overview_form(&$form_state, $obj_type, $bundle) {
-  $bundle = field_attach_extract_bundle($obj_type, $bundle);
+  $bundle = field_extract_bundle($obj_type, $bundle);
 
   field_ui_inactive_message($bundle);
   $admin_path = _field_ui_bundle_admin_path($bundle);
@@ -551,7 +551,7 @@ function field_ui_field_overview_form_submit($form, &$form_state) {
  * full build modes, and how the field labels should be rendered.
  */
 function field_ui_display_overview_form(&$form_state, $obj_type, $bundle, $build_modes_selector = 'basic') {
-  $bundle = field_attach_extract_bundle($obj_type, $bundle);
+  $bundle = field_extract_bundle($obj_type, $bundle);
 
   field_ui_inactive_message($bundle);
   $admin_path = _field_ui_bundle_admin_path($bundle);
@@ -791,7 +791,7 @@ function field_ui_field_has_data($field) {
  * Menu callback; presents the field settings edit page.
  */
 function field_ui_field_settings_form(&$form_state, $obj_type, $bundle, $instance) {
-  $bundle = field_attach_extract_bundle($obj_type, $bundle);
+  $bundle = field_extract_bundle($obj_type, $bundle);
   $field = field_info_field($instance['field_name']);
 
   // When a field is first created, we have to get data from the db.
@@ -888,7 +888,7 @@ function field_ui_field_settings_form_submit($form, &$form_state) {
  * Menu callback; select a widget for the field.
  */
 function field_ui_widget_type_form(&$form_state, $obj_type, $bundle, $instance) {
-  $bundle = field_attach_extract_bundle($obj_type, $bundle);
+  $bundle = field_extract_bundle($obj_type, $bundle);
   $field = field_read_field($instance['field_name']);
 
   $field_type = field_info_field_types($field['type']);
@@ -947,7 +947,7 @@ function field_ui_widget_type_form_submit($form, &$form_state) {
  * Menu callback; present a form for removing a field from a content type.
  */
 function field_ui_field_delete_form(&$form_state, $obj_type, $bundle, $instance) {
-  $bundle = field_attach_extract_bundle($obj_type, $bundle);
+  $bundle = field_extract_bundle($obj_type, $bundle);
   $field = field_info_field($instance['field_name']);
   $admin_path = _field_ui_bundle_admin_path($bundle);
 
@@ -1001,7 +1001,7 @@ function field_ui_field_delete_form_submit($form, &$form_state) {
  * Menu callback; presents the field instance edit page.
  */
 function field_ui_field_edit_form(&$form_state, $obj_type, $bundle, $instance) {
-  $bundle = field_attach_extract_bundle($obj_type, $bundle);
+  $bundle = field_extract_bundle($obj_type, $bundle);
 
   $field = field_info_field($instance['field_name']);
   $form['#field'] = $field;
diff --git a/modules/file/file.field.inc b/modules/file/file.field.inc
index 12c1b600e0131c42f5ad71efa91a261f8c0b9af4..3552229b24e10c6151f06aa796fe4e7545f9de50 100644
--- a/modules/file/file.field.inc
+++ b/modules/file/file.field.inc
@@ -292,7 +292,7 @@ function file_field_update($obj_type, $object, $field, $instance, $langcode, &$i
   }
 
   // Delete items from original object.
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   $load_function = $obj_type . '_load';
 
   $original = $load_function($id);
@@ -312,7 +312,7 @@ function file_field_update($obj_type, $object, $field, $instance, $langcode, &$i
  * Implement hook_field_delete().
  */
 function file_field_delete($obj_type, $object, $field, $instance, $langcode, &$items) {
-  list($id, $vid, $bundle) = field_attach_extract_ids($obj_type, $object);
+  list($id, $vid, $bundle) = field_extract_ids($obj_type, $object);
   foreach ($items as $delta => $item) {
     // For hook_file_references(), remember that this is being deleted.
     $item['file_field_name'] = $field['field_name'];