Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

AJAXFormPageCacheTestCase::testSimpleAJAXFormValue in core/modules/simpletest/tests/ajax.test
Create a simple form, then POST to system/ajax to change to it.
AJAXFormValuesTestCase::testSimpleAJAXFormValue in core/modules/simpletest/tests/ajax.test
Create a simple form, then POST to system/ajax to change to it.
ajax_example_advanced_commands in modules/examples/ajax_example/ajax_example_advanced.inc
Form to display the AJAX Commands.
ajax_example_autocheckboxes in modules/examples/ajax_example/ajax_example.module
Form manipulation through AJAX.
ajax_example_dependent_dropdown in modules/examples/ajax_example/ajax_example.module
AJAX-based dropdown example form.
ajax_example_dependent_dropdown_degrades in modules/examples/ajax_example/ajax_example_graceful_degradation.inc
Dropdown form based on previous choices.
ajax_example_dynamic_sections in modules/examples/ajax_example/ajax_example_graceful_degradation.inc
Dynamically-enabled form with graceful no-JS degradation.
ajax_example_simplest in modules/examples/ajax_example/ajax_example.module
Basic AJAX callback example.
ajax_forms_test_simple_form in core/modules/simpletest/tests/ajax_forms_test.module
A basic form used to test form_state['values'] during callback.
ajax_forms_test_simple_form_select_callback in core/modules/simpletest/tests/ajax_forms_test.module
Ajax callback triggered by select.
ajax_pre_render_element in core/includes/ajax.inc
Adds Ajax information about an element to communicate with JavaScript.
authorize_filetransfer_form in core/includes/authorize.inc
Form constructor for the file transfer authorization form.
BackdropWebTestCase::handleForm in core/modules/simpletest/backdrop_web_test_case.php
Handle form input related to backdropPost(). Ensure that the specified fields exist and attempt to create POST data in the correct manner for the particular field type.
backdrop_common_theme in core/includes/common.inc
Provides theme registration for themes across .inc files.
batch_example_simple_form in modules/examples/batch_example/batch_example.module
Form builder function to allow choice of which batch to run.
batch_test_simple_form in core/modules/simpletest/tests/batch_test.module
Simple form.
Block::form in core/modules/layout/includes/block.class.inc
Build the settings form for editing this block.
block_custom_block_form in core/modules/block/block.module
Form constructor for the custom block form.
cache_example_page_form in modules/examples/cache_example/cache_example.module
Main page for cache_example.
color_form_system_theme_settings_alter in core/modules/color/color.module
Implements hook_form_FORM_ID_alter().
comment_admin_overview in core/modules/comment/comment.admin.inc
Form constructor for the comment overview administration form.
comment_block_configure in core/modules/comment/comment.module
Implements hook_block_configure().
comment_form_node_type_form_alter in core/modules/comment/comment.module
Implements hook_form_FORM_ID_alter().
CommonBackdropRenderTestCase::testBackdropRenderFormElements in core/modules/simpletest/tests/common.test
Test rendering form elements without passing through form_builder().
config_export_single_form in core/modules/config/config.admin.inc
Form callback; Builds the form for exporting a single configuration file.
contact_category_edit_form in core/modules/contact/contact.admin.inc
Form constructor for the category edit form.
contact_settings_form in core/modules/contact/contact.admin.inc
Contact settings form.
contact_site_form in core/modules/contact/contact.pages.inc
Form constructor for the site-wide contact form.
cron_example_form in modules/examples/cron_example/cron_example.module
The form to provide a link to cron.php.
date_default_formatter_settings_form in core/modules/date/date.admin.inc
Settings for the default formatter.
date_interval_formatter_settings_form in core/modules/date/date.admin.inc
Settings for the interval formatter.
date_parts_element in core/modules/date/date.elements.inc
Creates form elements for one or more date parts.
date_timezone_element_process in core/modules/date/date.elements.inc
Creates a timezone form element.
date_views_argument_handler_simple::options_form in core/modules/date/views/date_views_argument_handler_simple.inc
Add a form element to select date_fields for this argument.
date_views_filter_handler_simple::date_parts_form in core/modules/date/views/date_views_filter_handler_simple.inc
A form element to select date part values.
date_views_filter_handler_simple::widget_options in core/modules/date/views/date_views_filter_handler_simple.inc
Date selection options.
date_views_plugin_pager::options_form in core/modules/date/views/date_views_plugin_pager.inc
Provide the form for setting options.
dblog_filter_form in core/modules/dblog/dblog.admin.inc
Form constructor for the database logging filter form.
dblog_form_system_logging_settings_alter in core/modules/dblog/dblog.module
Implements hook_form_FORM_ID_alter() for system_logging_settings().
dbtng_example_form_update in modules/examples/dbtng_example/dbtng_example.module
Sample UI to update a record.
FieldBlock::form in core/modules/field/field.block.inc
Builds the block's configuration form.
field_ui_display_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the field display settings for a given display mode.
field_ui_field_edit_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the field instance settings form.
field_ui_field_overview_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the 'Manage fields' form of a bundle.
field_ui_widget_type_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the widget selection form.
file_field_formatter_settings_form in core/modules/file/file.field.inc
Implements hook_field_formatter_settings_form().
file_file_formatter_file_image_settings in core/modules/file/file.module
Implements hook_file_formatter_FORMATTER_settings().
file_update_1000 in core/modules/file/file.install
Add a view for managing files.
filter_admin_format_form in core/modules/filter/filter.admin.inc
Form constructor for the text format add/edit form.
filter_process_format in core/modules/filter/filter.module
Expands an element into a base element with text format selector attached.
filter_update_1002 in core/modules/filter/filter.install
Import the image_library view.
FormsTestCase::testDisabledMarkup in core/modules/simpletest/tests/form.test
Verify markup for disabled form elements.
FormsTestCase::testRequiredCheckboxesRadio in core/modules/simpletest/tests/form.test
Tests validation for required checkbox, select, and radio elements.
FormsTestCase::testRequiredFields in core/modules/simpletest/tests/form.test
Check several empty values for required forms elements.
FormsTestCase::testSelect in core/modules/simpletest/tests/form.test
Tests validation of #type 'select' elements.
form_example_states_form in modules/examples/form_example/form_example_states.inc
States demo form.
form_process_date in core/includes/form.inc
Expands a date element into year, month, and day select elements.
form_process_weight in core/includes/form.inc
Expands a weight element into a select element.
form_test_menu in core/modules/simpletest/tests/form_test.module
Implements hook_menu().
form_test_select in core/modules/simpletest/tests/form_test.module
Builds a form to test #type 'select' validation.
form_test_validate_required_form in core/modules/simpletest/tests/form_test.module
Form constructor to test the #required property.
form_test_validate_required_form in core/modules/simpletest/tests/form_test.module
Form constructor to test the #required property.
hook_block_configure in core/modules/layout/layout.api.php
Define a configuration form for a block.
hook_date_field_formatter_settings_form_alter in core/modules/date/date.api.php
Alter a date field formatter settings form.
hook_date_field_settings_form_alter in core/modules/date/date.api.php
Alter a date field settings form.
hook_field_instance_settings_form in core/modules/field_ui/field_ui.api.php
Add settings to an instance field settings form.
hook_file_formatter_FORMATTER_settings in core/modules/file/file.api.php
Define formatter settings.
hook_form in core/modules/node/node.api.php
Display a node editing form.
hook_search_admin in core/modules/search/search.api.php
Add elements to the search settings form.
image_example_style_form in modules/examples/image_example/image_example.pages.inc
Form for uploading and displaying an image using selected style.
image_field_formatter_settings_form in core/modules/image/image.field.inc
Implements hook_field_formatter_settings_form().
image_field_widget_settings_form in core/modules/image/image.field.inc
Implements hook_field_widget_settings_form().
image_style_delete_form in core/modules/image/image.admin.inc
Form builder; Form for deleting an image style.
image_style_form in core/modules/image/image.admin.inc
Form builder; Configure an image style name and effects order.
install_select_language_form in core/includes/install.core.inc
Form constructor for the language selection form.
language_admin_add_form in core/modules/language/language.admin.inc
User interface for the language addition screen.
LayoutStyleDynamic::form in core/modules/layout/plugins/styles/layout_style_dynamic.inc
Specifies the settings form for configuring the style.
layout_block_configure_form in core/modules/layout/layout.admin.inc
Form callback; Add or edit a block within a layout.
layout_condition_add_form in core/modules/layout/layout.admin.inc
Form callback; Displays form for adding new conditions to a layout or block.
layout_configure_region_page in core/modules/layout/layout.admin.inc
Menu callback; Show the region styles form.
layout_contexts_form_element in core/modules/layout/layout.admin.inc
Partial form to generate a select list for selecting context.
layout_context_add_form in core/modules/layout/layout.context.admin.inc
Form callback; Displays form for adding new contexts to a layout.
layout_flexible_template_edit_row_form in core/modules/layout/layout.flexible.inc
Form to add or edit a row on a flexible template.
layout_menu_item_form in core/modules/layout/layout.admin.inc
Form callback; Configure a layout menu item.
layout_settings_form in core/modules/layout/layout.admin.inc
Render the settings form for layout.
layout_test_block_configure in core/modules/layout/tests/layout_test/layout_test.module
Implements hook_block_configure().
layout_title_settings_form in core/modules/layout/layout.admin.inc
Form callback; Configure layout title type.
list_field_formatter_settings_form in core/modules/field/modules/list/list.module
Implements hook_field_formatter_settings_form().
locale_form_redirect_edit_form_alter in core/modules/redirect/redirect.module
Implements hook_form_FORM_ID_alter() on behalf of locale.module.
locale_language_selector_form in core/modules/locale/locale.module
Form builder callback to display language selection widget.
locale_translate_export_po_form in core/modules/locale/locale.bulk.inc
Form to export PO files for the languages provided.
locale_translate_import_form in core/modules/locale/locale.bulk.inc
User interface for the translation import screen.
locale_translation_filter_form in core/modules/locale/locale.pages.inc
Return form for locale translation filters.
menu_edit_item in core/modules/menu/menu.admin.inc
Menu callback; Build the menu link editing form.
menu_form_node_form_alter in core/modules/menu/menu.module
Implements hook_form_BASE_FORM_ID_alter().
menu_form_node_type_form_alter in core/modules/menu/menu.module
Implements hook_form_FORM_ID_alter().
menu_overview_form in core/modules/menu/menu.admin.inc
Form for editing an entire menu tree at once.
nodeapi_example_form_alter in modules/examples/nodeapi_example/nodeapi_example.module
Implements hook_form_alter().
NodeBlock::form in core/modules/node/node.block.inc
Builds the block's settings configuration form.
node_block_configure in core/modules/node/node.module
Implements hook_block_configure().
node_form in core/modules/node/node.pages.inc
Form constructor for the node add/edit form.
node_preview_banner_form in core/modules/node/node.pages.inc
Get the preview form selection box.
node_search_admin in core/modules/node/node.module
Implements hook_search_admin().
node_update_1022 in core/modules/node/node.install
Update the admin content view with new/updated indicators and filter.
number_field_formatter_settings_form in core/modules/field/modules/number/number.module
Implements hook_field_formatter_settings_form().
number_field_settings_form in core/modules/field/modules/number/number.module
Implements hook_field_settings_form().
options_field_widget_form in core/modules/field/modules/options/options.module
Implements hook_field_widget_form().
PageComponents::form in core/modules/system/block.page_components.inc
Build the settings form for editing this block.
path_admin_form in core/modules/path/path.admin.inc
Form builder; Main URL alias pattern administration form.
path_bulk_update_form in core/modules/path/path.admin.inc
Form builder; Bulk path alias update form.
path_patterns_settings_form in core/modules/path/path.admin.inc
Form builder; Configure the URL alias pattern settings.
queue_example_add_remove_form in modules/examples/queue_example/queue_example.module
Form generator for managing the queue.
redirect_edit_form in core/modules/redirect/redirect.admin.inc
Form builder to add or edit an URL redirect.
redirect_list_form in core/modules/redirect/redirect.admin.inc
Form callback; Display the list of all redirects.
redirect_settings_form in core/modules/redirect/redirect.admin.inc
Form builder for redirection settings.
search_admin_settings in core/modules/search/search.admin.inc
Menu callback: displays the search module settings page.
simpletest_result_form in core/modules/simpletest/simpletest.pages.inc
Test results form for $test_id.
simpletest_settings_form in core/modules/simpletest/simpletest.pages.inc
Provides settings form for SimpleTest variables.
syslog_form_system_logging_settings_alter in core/modules/syslog/syslog.module
Implements hook_form_FORM_ID_alter().
system_cron_settings in core/modules/system/system.admin.inc
Form builder; Cron form.
system_element_info in core/modules/system/system.module
Implements hook_element_info().
system_header_block_form in core/modules/system/system.module
Settings form for the header block.
system_jump_menu in core/modules/system/system.module
Generate a jump menu form.
system_menu_block_form in core/modules/system/system.menu.inc
Returns the configuration form for a menu tree.
system_performance_settings in core/modules/system/system.admin.inc
Form builder; Configure site performance settings.
system_regional_settings in core/modules/system/system.admin.inc
Form builder; Configure the site regional settings.
system_rss_feeds_settings in core/modules/system/system.admin.inc
Form builder; Configure how the site handles RSS feeds.
system_site_information_settings in core/modules/system/system.admin.inc
Form builder; The general site information form.
system_themes_admin_form in core/modules/system/system.admin.inc
Form to select the administration theme.
system_user_timezone in core/modules/system/system.module
Add the time zone field to the user edit and register forms.
taxonomy_field_formatter_settings_form in core/modules/taxonomy/taxonomy.module
Implements hook_field_formatter_settings_form().
taxonomy_field_settings_form in core/modules/taxonomy/taxonomy.module
Implements hook_field_settings_form().
taxonomy_form_term in core/modules/taxonomy/taxonomy.admin.inc
Form function for the term edit form.
taxonomy_overview_terms in core/modules/taxonomy/taxonomy.admin.inc
Form builder for the taxonomy terms overview.
theme_date_select_element in core/modules/date/date.theme.inc
Returns HTML for a date select input form element.
theming_example_select_form in modules/examples/theming_example/theming_example.module
A simple form that displays a select box and submit button.
token_example_example_form in modules/examples/token_example/token_example.module
Form builder; display lists of supported token entities and text to tokenize.
update_selection_page in core/update.php
Renders form with a list of available database updates.
update_task_list in core/update.php
Adds the update task list to the current page.
UserPermissionLayoutAccess::form in core/modules/layout/plugins/access/user_permission_layout_access.inc
Settings form for configuring this access item.
user_admin_roles in core/modules/user/user.admin.inc
Form to re-order roles or add a new one.
user_admin_settings in core/modules/user/user.admin.inc
Form builder; Configure user settings for this site.
user_login_settings in core/modules/user/user.admin.inc
Login settings form.
user_update_1009 in core/modules/user/user.install
Create the default view for user administration.
ViewsHandlerManyToOneTest::getGroupedOneOfTestView in core/modules/views/tests/handlers/views_handler_manytoone.test
Generates test_not view.
ViewsUiBaseViewsWizard::build_filters in core/modules/views_ui/wizards/views_ui_base_views_wizard.php
Build the part of the form that allows the user to select the view's filters.
ViewsUiBaseViewsWizard::build_form in core/modules/views_ui/wizards/views_ui_base_views_wizard.php
For AJAX callbacks to build other elements in the "show" form.
ViewsUiBaseViewsWizard::build_form_style in core/modules/views_ui/wizards/views_ui_base_views_wizard.php
Build the part of the form that builds the display format options.
ViewsUiBaseViewsWizard::build_sorts in core/modules/views_ui/wizards/views_ui_base_views_wizard.php
Build the part of the form that allows the user to select the view's sort order.
ViewsUiCommentViewsWizard::build_form_style in core/modules/views_ui/wizards/views_ui_comment_views_wizard.php
Build the part of the form that builds the display format options.
views_handler::groupby_form in core/modules/views/includes/handlers.inc
Provide a form for aggregation settings.
views_handler_area_view::options_form in core/modules/views/handlers/views_handler_area_view.inc
Default options form that provides the label widget that all fields should have.
views_handler_argument::default_argument_form in core/modules/views/handlers/views_handler_argument.inc
Provide a form for selecting the default argument when the default action is set to provide default argument.
views_handler_argument::options_form in core/modules/views/handlers/views_handler_argument.inc
Build the options form.
views_handler_argument_string::options_form in core/modules/views/handlers/views_handler_argument_string.inc
Build the options form.
views_handler_field::options_form in core/modules/views/handlers/views_handler_field.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_boolean::options_form in core/modules/views/handlers/views_handler_field_boolean.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_bulk_form::views_form in core/modules/views/handlers/views_handler_field_bulk_form.inc
Form constructor for the bulk form.
views_handler_field_date::options_form in core/modules/views/handlers/views_handler_field_date.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_field::groupby_form in core/modules/field/views/views_handler_field_field.inc
Extend the groupby form with group columns.
views_handler_field_field::multiple_options_form in core/modules/field/views/views_handler_field_field.inc
Provide options for multiple value fields.
views_handler_field_field::options_form in core/modules/field/views/views_handler_field_field.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_file_rendered::options_form in core/modules/file/views/views_handler_field_file_rendered.inc
Provide file_view_mode option for file display.
views_handler_field_file_size::options_form in core/modules/views/handlers/views_handler_field.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_file_uri::options_form in core/modules/file/views/views_handler_field_file_uri.inc
Provide link to file option
views_handler_field_numeric::options_form in core/modules/views/handlers/views_handler_field_numeric.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_search_score::options_form in core/modules/search/views/views_handler_field_search_score.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_serialized::options_form in core/modules/views/handlers/views_handler_field_serialized.inc
Default options form that provides the label widget that all fields should have.
views_handler_field_user_picture::options_form in core/modules/user/views/views_handler_field_user_picture.inc
Default options form that provides the label widget that all fields should have.
views_handler_filter::build_group_form in core/modules/views/handlers/views_handler_filter.inc
Build the form to let users create the group of exposed filters. This form is displayed when users click on button 'Build group'
views_handler_filter::build_group_form in core/modules/views/handlers/views_handler_filter.inc
Build the form to let users create the group of exposed filters. This form is displayed when users click on button 'Build group'
views_handler_filter::build_group_options in core/modules/views/handlers/views_handler_filter.inc
Provide default options for exposed filters.
views_handler_filter::exposed_form in core/modules/views/handlers/views_handler_filter.inc
Render our chunk of the exposed filter form when selecting
views_handler_filter::exposed_translate in core/modules/views/handlers/views_handler_filter.inc
Make some translations to a form item to make it more suitable to exposing.
views_handler_filter::group_form in core/modules/views/handlers/views_handler_filter.inc
Build a form containing a group of operator | values to apply as a single filter.
views_handler_filter::operator_form in core/modules/views/handlers/views_handler_filter.inc
Options form subform for setting the operator.
views_handler_filter::option_definition in core/modules/views/handlers/views_handler_filter.inc
Information about options for all kinds of purposes will be held here. @code 'option_name' => array(
views_handler_filter_boolean_operator::value_form in core/modules/views/handlers/views_handler_filter_boolean_operator.inc
Options form subform for setting options.
views_handler_filter_combine::options_form in core/modules/views/handlers/views_handler_filter_combine.inc
Provide the basic form which calls through to subforms. If overridden, it is best to call through to the parent, or to at least make sure all of the functions in this form are called.
views_handler_filter_fields_compare::options_form in core/modules/views/handlers/views_handler_filter_fields_compare.inc
Overrides views_handler_filter#options_form().
views_handler_filter_in_operator::value_form in core/modules/views/handlers/views_handler_filter_in_operator.inc
Options form subform for setting options.
views_handler_filter_many_to_one.inc in core/modules/views/handlers/views_handler_filter_many_to_one.inc
Definition of views_handler_filter_many_to_one.
views_handler_filter_term_node_tid::expose_form in core/modules/taxonomy/views/views_handler_filter_term_node_tid.inc
Options form subform for exposed filter options.
views_handler_filter_term_node_tid::extra_options_form in core/modules/taxonomy/views/views_handler_filter_term_node_tid.inc
Provide a form for setting options.
views_handler_filter_term_node_tid::value_form in core/modules/taxonomy/views/views_handler_filter_term_node_tid.inc
Options form subform for setting options.
views_handler_relationship_groupwise_max::options_form in core/modules/views/handlers/views_handler_relationship_groupwise_max.inc
Extends the relationship's basic options, allowing the user to pick a sort and an order for it.
views_handler_relationship_translation::options_form in core/modules/translation/views/views_handler_relationship_translation.inc
Add a translation selector.
views_plugin_access_perm::options_form in core/modules/views/plugins/views_plugin_access_perm.inc
Provide the default form for setting options.
views_plugin_argument_default_raw::options_form in core/modules/views/plugins/views_plugin_argument_default_raw.inc
Provide the default form for setting options.
views_plugin_argument_validate_node::options_form in core/modules/node/views/views_plugin_argument_validate_node.inc
Provide the default form for setting options.
views_plugin_argument_validate_taxonomy_term::options_form in core/modules/taxonomy/views/views_plugin_argument_validate_taxonomy_term.inc
Provide the default form for setting options.
views_plugin_cache_time::options_form in core/modules/views/plugins/views_plugin_cache_time.inc
Provide a form to edit options for this plugin.
views_plugin_display::options_form in core/modules/views/plugins/views_plugin_display.inc
Provide the default form for setting options.
views_plugin_display_block::options_form in core/modules/views/plugins/views_plugin_display_block.inc
Provide the default form for setting options.
views_plugin_display_page::options_form in core/modules/views/plugins/views_plugin_display_page.inc
Provide the default form for setting options.
views_plugin_exposed_form::exposed_form_alter in core/modules/views/plugins/views_plugin_exposed_form.inc
views_plugin_pager_full::exposed_form_alter in core/modules/views/plugins/views_plugin_pager_full.inc
views_plugin_row::options_form in core/modules/views/plugins/views_plugin_row.inc
Provide a form for setting options.
views_plugin_row_comment_rss::options_form in core/modules/comment/views/views_plugin_row_comment_rss.inc
Provide a form for setting options.
views_plugin_row_comment_view::options_form in core/modules/comment/views/views_plugin_row_comment_view.inc
Provide a form for setting options.
views_plugin_row_node_rss::options_form in core/modules/node/views/views_plugin_row_node_rss.inc
Provide a form for setting options.
views_plugin_row_node_view::options_form in core/modules/node/views/views_plugin_row_node_view.inc
Provide a form for setting options.
views_plugin_row_rss_fields::options_form in core/modules/views/plugins/views_plugin_row_rss_fields.inc
Provide a form for setting options.
views_plugin_row_user_view::options_form in core/modules/user/views/views_plugin_row_user_view.inc
Provide a form for setting options.
views_plugin_style::options_form in core/modules/views/plugins/views_plugin_style.inc
Provide a form to edit options for this plugin.
views_plugin_style_jump_menu::options_form in core/modules/views/plugins/views_plugin_style_jump_menu.inc
Render the given style.
views_plugin_style_mapping::options_form in core/modules/views/plugins/views_plugin_style_mapping.inc
Overrides views_plugin_style::options_form().
views_plugin_style_table::options_form in core/modules/views/plugins/views_plugin_style_table.inc
Render the given style.
views_ui_add_form in core/modules/views_ui/views_ui.admin.inc
Form builder for the "Add view" page.
views_ui_add_item_form in core/modules/views_ui/views_ui.admin.inc
Form to add_item items in the views UI.
views_ui_admin_settings_advanced in core/modules/views_ui/views_ui.admin.inc
Form builder for the advanced admin settings page.
views_ui_admin_settings_basic in core/modules/views_ui/views_ui.admin.inc
Form builder for the admin display defaults page.
views_ui_config_item_form in core/modules/views_ui/views_ui.admin.inc
Form to config_item items in the views UI.
views_ui_get_selected in core/modules/views_ui/views_ui.admin.inc
Gets the current value of a #select element, from within a form constructor function.
views_ui_rearrange_filter_form in core/modules/views_ui/views_ui.admin.inc
Form to rearrange items in the views UI.
views_ui_standard_display_dropdown in core/modules/views_ui/views_ui.admin.inc
Add a <select> dropdown for a given section, allowing the user to change whether this info is stored on the default display or on the current display.
_book_add_form_elements in core/modules/book/book.module
Builds the common elements of the book form for the node and outline forms.
_book_parent_select in core/modules/book/book.module
Builds the parent selection form element for the node form or outline tab.
_date_field_instance_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_instance_settings_form().
_date_field_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_settings_form().
_date_field_widget_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_widget_settings_form().
_file_test_form in core/modules/simpletest/tests/file_test.module
Form to test file uploads.
_form_test_disabled_elements in core/modules/simpletest/tests/form_test.module
Build a form to test disabled elements.
_form_validate in core/includes/form.inc
Performs validation on form elements.
_install_configure_form in core/includes/install.core.inc
Form constructor for a site configuration form.
_options_properties in core/modules/field/modules/options/options.module
Describes the preparation steps required by each widget.