177 #type uses of Select

AccountForm::form in core/modules/user/src/AccountForm.php
Gets the actual form array to be built.
ActionAdminManageForm::buildForm in core/modules/action/src/Form/ActionAdminManageForm.php
Form constructor.
AddHandler::buildForm in core/modules/views_ui/src/Form/Ajax/AddHandler.php
Form constructor.
AggregatorFeedBlock::blockForm in core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php
AjaxFormBlock::buildForm in core/modules/system/tests/modules/ajax_forms_test/src/Plugin/Block/AjaxFormBlock.php
Form constructor.
AjaxFormsTestSimpleForm::buildForm in core/modules/system/tests/modules/ajax_forms_test/src/Form/AjaxFormsTestSimpleForm.php
Form constructor.
ArgumentPluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
Provide a form to edit options for this plugin.
ArgumentPluginBase::defaultArgumentForm in core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
Provides a form for selecting the default argument.
AssignOwnerNode::buildConfigurationForm in core/modules/node/src/Plugin/Action/AssignOwnerNode.php
Form constructor.
automated_cron_form_system_cron_settings_alter in core/modules/automated_cron/automated_cron.module
Implements hook_form_FORM_ID_alter() for the system_cron_settings() form.
BasicSettingsForm::buildForm in core/modules/views_ui/src/Form/BasicSettingsForm.php
Form constructor.
BatchTestSimpleForm::buildForm in core/modules/system/tests/modules/batch_test/src/Form/BatchTestSimpleForm.php
Form constructor.
Block::blockForm in core/modules/views/src/Plugin/views/display/Block.php
Adds the configuration form elements specific to this views block plugin.
BlockContentBlock::blockForm in core/modules/block_content/src/Plugin/Block/BlockContentBlock.php
Overrides \Drupal\Core\Block\BlockBase::blockForm().
BlockForm::form in core/modules/block/src/BlockForm.php
Gets the actual form array to be built.
BlockListBuilder::buildBlocksForm in core/modules/block/src/BlockListBuilder.php
Builds the main "Blocks" portion of the form.
BookManager::addFormElements in core/modules/book/src/BookManager.php
Builds the common elements of the book form for the node and outline forms.
BookManager::addParentSelectFormElements in core/modules/book/src/BookManager.php
Builds the parent selection form element for the node form or outline tab.
Boolean::buildOptionsForm in core/modules/views/src/Plugin/views/field/Boolean.php
Default option form that provides label widget that all fields should have.
BooleanFormatter::settingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BooleanFormatter.php
Returns a form to configure settings for the formatter.
BulkForm::viewsForm in core/modules/views/src/Plugin/views/field/BulkForm.php
Form constructor for the bulk form.
color_scheme_form in core/modules/color/color.module
Form constructor for the color configuration form for a particular theme.
Combine::buildOptionsForm in core/modules/views/src/Plugin/views/filter/Combine.php
Provide the basic form which calls through to subforms.
CommentAdminOverview::buildForm in core/modules/comment/src/Form/CommentAdminOverview.php
Form constructor for the comment overview administration form.
CommentDefaultFormatter::settingsForm in core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
Returns a form to configure settings for the formatter.
CommentItem::fieldSettingsForm in core/modules/comment/src/Plugin/Field/FieldType/CommentItem.php
Returns a form for the field-level settings.
CommentItem::storageSettingsForm in core/modules/comment/src/Plugin/Field/FieldType/CommentItem.php
Returns a form for the storage-level settings.
CommentTypeForm::form in core/modules/comment/src/CommentTypeForm.php
Gets the actual form array to be built.
ConfigHandler::buildForm in core/modules/views_ui/src/Form/Ajax/ConfigHandler.php
Form constructor.
ConfigSingleExportForm::buildForm in core/modules/config/src/Form/ConfigSingleExportForm.php
Form constructor.
ConfigSingleImportForm::buildForm in core/modules/config/src/Form/ConfigSingleImportForm.php
Form constructor.
ConfigTestForm::form in core/modules/config/tests/config_test/src/ConfigTestForm.php
Gets the actual form array to be built.
ContentModerationConfigureForm::buildConfigurationForm in core/modules/content_moderation/src/Form/ContentModerationConfigureForm.php
Form constructor.
ContentTranslationHandler::entityFormAlter in core/modules/content_translation/src/ContentTranslationHandler.php
Performs the needed alterations to the entity form.
ContextAwarePluginAssignmentTrait::addContextAssignmentElement in core/lib/Drupal/Core/Plugin/ContextAwarePluginAssignmentTrait.php
Builds a form element for assigning a context to a given slot.
ContextualLinks::buildOptionsForm in core/modules/contextual/src/Plugin/views/field/ContextualLinks.php
Default option form that provides label widget that all fields should have.
ConvertImageEffect::buildConfigurationForm in core/modules/image/src/Plugin/ImageEffect/ConvertImageEffect.php
CredentialForm::buildForm in core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
Form constructor.
CurrentThemeCondition::buildConfigurationForm in core/modules/system/src/Plugin/Condition/CurrentThemeCondition.php
Form constructor.
Date::buildOptionsForm in core/modules/views/src/Plugin/views/field/Date.php
Default option form that provides label widget that all fields should have.
Datelist::processDatelist in core/lib/Drupal/Core/Datetime/Element/Datelist.php
Expands a date element into an array of individual elements.
DateRangeDatelistWidget::settingsForm in core/modules/datetime_range/src/Plugin/Field/FieldWidget/DateRangeDatelistWidget.php
Returns a form to configure settings for the widget.
DateRangeFieldItemList::defaultValuesForm in core/modules/datetime_range/src/Plugin/Field/FieldType/DateRangeFieldItemList.php
Returns a form for the default value input.
DateTimeDatelistWidget::settingsForm in core/modules/datetime/src/Plugin/Field/FieldWidget/DateTimeDatelistWidget.php
Returns a form to configure settings for the widget.
DateTimeDefaultFormatter::settingsForm in core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeDefaultFormatter.php
Returns a form to configure settings for the formatter.
DateTimeFieldItemList::defaultValuesForm in core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php
Returns a form for the default value input.
DateTimeFormatterBase::settingsForm in core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
Returns a form to configure settings for the formatter.
DateTimeItem::storageSettingsForm in core/modules/datetime/src/Plugin/Field/FieldType/DateTimeItem.php
Returns a form for the storage-level settings.
DblogFilterForm::buildForm in core/modules/dblog/src/Form/DblogFilterForm.php
Form constructor.
dblog_form_system_logging_settings_alter in core/modules/dblog/dblog.module
Implements hook_form_FORM_ID_alter() for system_logging_settings().
DecimalFormatter::settingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
Returns a form to configure settings for the formatter.
DefaultProcessor::buildConfigurationForm in core/modules/aggregator/src/Plugin/aggregator/processor/DefaultProcessor.php
Form constructor.
DefaultSelection::buildConfigurationForm in core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/DefaultSelection.php
Form constructor.
DisplayLink::buildOptionsForm in core/modules/views/src/Plugin/views/area/DisplayLink.php
Provide a form to edit options for this plugin.
DisplayPluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/display/DisplayPluginBase.php
Provide a form to edit options for this plugin.
DummyAjaxWidget::formElement in core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldWidget/DummyAjaxWidget.php
Returns the form for a single field widget.
EditorMediaDialog::buildForm in core/modules/media/src/Form/EditorMediaDialog.php
editor_form_filter_format_form_alter in core/modules/editor/editor.module
Implements hook_form_BASE_FORM_ID_alter() for \Drupal\filter\FilterFormatEditForm.
Entity::buildOptionsForm in core/modules/views/src/Plugin/views/area/Entity.php
Provide a form to edit options for this plugin.
EntityDisplayFormBase::buildExtraFieldRow in core/modules/field_ui/src/Form/EntityDisplayFormBase.php
Builds the table row structure for a single extra field.
EntityDisplayFormBase::buildFieldRow in core/modules/field_ui/src/Form/EntityDisplayFormBase.php
Builds the table row structure for a single field.
EntityField::buildGroupByForm in core/modules/views/src/Plugin/views/field/EntityField.php
Extend the groupby form with group columns.
EntityField::buildOptionsForm in core/modules/views/src/Plugin/views/field/EntityField.php
Default option form that provides label widget that all fields should have.
EntityModerationForm::buildForm in core/modules/content_moderation/src/Form/EntityModerationForm.php
Form constructor.
EntityReferenceEntityFormatter::settingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
Returns a form to configure settings for the formatter.
EntityReferenceItem::fieldSettingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php
Returns a form for the field-level settings.
EntityReferenceItem::storageSettingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php
Returns a form for the storage-level settings.
EntityRow::buildOptionsForm in core/modules/views/src/Plugin/views/row/EntityRow.php
Provide a form for setting options.
EntityViewDisplayEditForm::buildFieldRow in core/modules/field_ui/src/Form/EntityViewDisplayEditForm.php
Builds the table row structure for a single field.
ExportForm::buildForm in core/modules/locale/src/Form/ExportForm.php
Form constructor.
ExposedFormPluginBase::exposedFormAlter in core/modules/views/src/Plugin/views/exposed_form/ExposedFormPluginBase.php
Alters the exposed form.
FieldBlock::blockForm in core/modules/layout_builder/src/Plugin/Block/FieldBlock.php
FieldLayoutEntityDisplayFormTrait::form in core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php
Overrides \Drupal\field_ui\Form\EntityDisplayFormBase::form().
FieldPluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/field/FieldPluginBase.php
Default option form that provides label widget that all fields should have.
FieldStorageAddForm::buildForm in core/modules/field_ui/src/Form/FieldStorageAddForm.php
Form constructor.
FieldStorageConfigEditForm::getCardinalityForm in core/modules/field_ui/src/Form/FieldStorageConfigEditForm.php
Builds the cardinality form.
field_ui_test_form_entity_view_display_edit_form_alter in core/modules/field_ui/tests/modules/field_ui_test/field_ui_test.module
Implements hook_form_FORM_BASE_ID_alter().
FileSize::buildOptionsForm in core/modules/views/src/Plugin/views/field/FileSize.php
Default option form that provides label widget that all fields should have.
FileSystemForm::buildForm in core/modules/system/src/Form/FileSystemForm.php
Form constructor.
FileTestForm::buildForm in core/modules/file/tests/file_test/src/Form/FileTestForm.php
Form constructor.
FileTestSaveUploadFromForm::buildForm in core/modules/file/tests/file_test/src/Form/FileTestSaveUploadFromForm.php
Form constructor.
FileTransferAuthorizeForm::buildForm in core/lib/Drupal/Core/FileTransfer/Form/FileTransferAuthorizeForm.php
Form constructor.
FilterPluginBase::buildExposeForm in core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
Options form subform for exposed filter options.
FilterPluginBase::operatorForm in core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
Options form subform for setting the operator.
FormElementsRenderTest::testDrupalRenderFormElements in core/modules/system/tests/src/Kernel/Common/FormElementsRenderTest.php
Tests rendering form elements without using doBuildForm().
FormTest::testRequiredFields in core/modules/system/tests/src/Functional/Form/FormTest.php
Check several empty values for required forms elements.
FormTestEmptySelectForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/FormTestEmptySelectForm.php
Form constructor.
FormTestMachineNameValidationForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/FormTestMachineNameValidationForm.php
Form constructor.
FormTestSelectForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/FormTestSelectForm.php
Form constructor.
FormTestValidateRequiredForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/FormTestValidateRequiredForm.php
Form constructor.
FormValidatorTest::providerTestPerformRequiredValidation in core/tests/Drupal/Tests/Core/Form/FormValidatorTest.php
ForumBlockBase::blockForm in core/modules/forum/src/Plugin/Block/ForumBlockBase.php
ForumForm::forumParentSelect in core/modules/forum/src/Form/ForumForm.php
Returns a select box for available parent terms.
ForumSettingsForm::buildForm in core/modules/forum/src/ForumSettingsForm.php
Form constructor.
GroupwiseMax::buildOptionsForm in core/modules/views/src/Plugin/views/relationship/GroupwiseMax.php
Provide a form to edit options for this plugin.
HandlerBase::buildGroupByForm in core/modules/views/src/Plugin/views/HandlerBase.php
Provide a form for aggregation settings.
HTTPStatusCode::buildOptionsForm in core/modules/views/src/Plugin/views/area/HTTPStatusCode.php
Provide a form to edit options for this plugin.
ImageFormatter::settingsForm in core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
Returns a form to configure settings for the formatter.
ImageStyleDeleteForm::form in core/modules/image/src/Form/ImageStyleDeleteForm.php
Gets the actual form array to be built.
ImageStyleEditForm::form in core/modules/image/src/Form/ImageStyleEditForm.php
Gets the actual form array to be built.
ImageUrlFormatter::settingsForm in core/modules/image/src/Plugin/Field/FieldFormatter/ImageUrlFormatter.php
Returns a form to configure settings for the formatter.
ImageWidget::settingsForm in core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php
Returns a form to configure settings for the widget.
ImportForm::buildForm in core/modules/locale/src/Form/ImportForm.php
Form constructor for the translation import screen.
InlineBlock::blockForm in core/modules/layout_builder/src/Plugin/Block/InlineBlock.php
JavascriptStatesForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/JavascriptStatesForm.php
Form constructor.
Language::buildConfigurationForm in core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/Language.php
Language::settingsForm in core/modules/ckeditor/src/Plugin/CKEditorPlugin/Language.php
Returns a settings form to configure this CKEditor plugin.
LanguageAddForm::form in core/modules/language/src/Form/LanguageAddForm.php
Gets the actual form array to be built.
LanguageConfiguration::processLanguageConfiguration in core/modules/language/src/Element/LanguageConfiguration.php
Process handler for the language_configuration form element.
Mapping::buildOptionsForm in core/modules/views/src/Plugin/views/style/Mapping.php
Provide a form to edit options for this plugin.
MediaEmbed::settingsForm in core/modules/media/src/Plugin/Filter/MediaEmbed.php
Generates a filter's settings form.
MediaSourceBase::buildConfigurationForm in core/modules/media/src/MediaSourceBase.php
Form constructor.
MediaTypeForm::form in core/modules/media/src/MediaTypeForm.php
Gets the actual form array to be built.
MenuParentFormSelector::parentSelectElement in core/lib/Drupal/Core/Menu/MenuParentFormSelector.php
Gets a form element to choose a menu and parent.
menu_ui_form_node_type_form_alter in core/modules/menu_ui/menu_ui.module
Implements hook_form_FORM_ID_alter() for \Drupal\node\NodeTypeForm.
ModerationStateWidget::formElement in core/modules/content_moderation/src/Plugin/Field/FieldWidget/ModerationStateWidget.php
Returns the form for a single field widget.
MoveBlockForm::buildForm in core/modules/layout_builder/src/Form/MoveBlockForm.php
Builds the move block form.
MultiWidthLayoutBase::buildConfigurationForm in core/modules/layout_builder/src/Plugin/Layout/MultiWidthLayoutBase.php
Form constructor.
NegotiationBrowserForm::buildForm in core/modules/language/src/Form/NegotiationBrowserForm.php
Form constructor.
NodePreviewForm::buildForm in core/modules/node/src/Form/NodePreviewForm.php
Form constructor.
NodeSearch::buildConfigurationForm in core/modules/node/src/Plugin/Search/NodeSearch.php
Form constructor.
NumericField::buildOptionsForm in core/modules/views/src/Plugin/views/field/NumericField.php
Default option form that provides label widget that all fields should have.
NumericFormatterBase::settingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
Returns a form to configure settings for the formatter.
olivero_form_system_theme_settings_alter in core/themes/olivero/theme-settings.php
Implements hook_form_FORM_ID_alter() for system_theme_settings.
OpmlFeedAdd::buildForm in core/modules/aggregator/src/Form/OpmlFeedAdd.php
Form constructor.
OpmlFields::buildOptionsForm in core/modules/views/src/Plugin/views/row/OpmlFields.php
Provide a form for setting options.
OptionsSelectWidget::formElement in core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsSelectWidget.php
Returns the form for a single field widget.
PerformanceForm::buildForm in core/modules/system/src/Form/PerformanceForm.php
Form constructor.
Permission::buildOptionsForm in core/modules/user/src/Plugin/views/access/Permission.php
Provide a form to edit options for this plugin.
Raw::buildOptionsForm in core/modules/views/src/Plugin/views/argument_default/Raw.php
Provide the default form for setting options.
RearrangeFilter::buildForm in core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php
Form constructor.
RegionalForm::buildForm in core/modules/system/src/Form/RegionalForm.php
Form constructor.
RenderedEntity::buildOptionsForm in core/modules/views/src/Plugin/views/field/RenderedEntity.php
Default option form that provides label widget that all fields should have.
RenderElementTest::testPreRenderAjaxForm in core/tests/Drupal/Tests/Core/Render/Element/RenderElementTest.php
@covers ::preRenderAjaxForm
RenderElementTest::testPreRenderAjaxFormWithQueryOptions in core/tests/Drupal/Tests/Core/Render/Element/RenderElementTest.php
@covers ::preRenderAjaxForm
ResponsiveImageFormatter::settingsForm in core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
Returns a form to configure settings for the formatter.
ResponsiveImageStyleForm::form in core/modules/responsive_image/src/ResponsiveImageStyleForm.php
Overrides Drupal\Core\Entity\EntityForm::form().
RoleSettingsForm::buildForm in core/modules/user/src/Form/RoleSettingsForm.php
Form constructor.
RowPluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/row/RowPluginBase.php
Provide a form for setting options.
RssFeedsForm::buildForm in core/modules/system/src/Form/RssFeedsForm.php
Form constructor.
RssFields::buildOptionsForm in core/modules/views/src/Plugin/views/row/RssFields.php
Provide a form for setting options.
RssPluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/row/RssPluginBase.php
Provide a form for setting options.
SearchBlock::blockForm in core/modules/search/src/Plugin/Block/SearchBlock.php
SearchExtraTypeSearch::buildConfigurationForm in core/modules/search/tests/modules/search_extra_type/src/Plugin/Search/SearchExtraTypeSearch.php
Form constructor.
SearchPageListBuilder::buildForm in core/modules/search/src/SearchPageListBuilder.php
Form constructor.
SelectLanguageForm::buildForm in core/lib/Drupal/Core/Installer/Form/SelectLanguageForm.php
Form constructor.
Serialized::buildOptionsForm in core/modules/views/src/Plugin/views/field/Serialized.php
Default option form that provides label widget that all fields should have.
SettingsTrayFormAnnotationIsClassBlockForm::buildConfigurationForm in core/modules/settings_tray/tests/modules/settings_tray_test/src/Form/SettingsTrayFormAnnotationIsClassBlockForm.php
Form constructor.
SiteConfigureForm::buildForm in core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php
Form constructor.
SqlBase::exposedFormAlter in core/modules/views/src/Plugin/views/pager/SqlBase.php
StatisticsPopularBlock::blockForm in core/modules/statistics/src/Plugin/Block/StatisticsPopularBlock.php
StringArgument::buildOptionsForm in core/modules/views/src/Plugin/views/argument/StringArgument.php
Provide a form to edit options for this plugin.
StylePluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/style/StylePluginBase.php
Provide a form to edit options for this plugin.
syslog_form_system_logging_settings_alter in core/modules/syslog/syslog.module
Implements hook_form_FORM_ID_alter().
SystemMenuBlock::blockForm in core/modules/system/src/Plugin/Block/SystemMenuBlock.php
Table::buildOptionsForm in core/modules/views/src/Plugin/views/style/Table.php
Render the given style.
TaxonomyIndexTid::valueForm in core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
Options form subform for setting options.
TermForm::form in core/modules/taxonomy/src/TermForm.php
Gets the actual form array to be built.
TestForm::buildForm in core/modules/system/tests/modules/test_page_test/src/Form/TestForm.php
Form constructor.
TextFormat::processFormat in core/modules/filter/src/Element/TextFormat.php
Expands an element into a base element with text format selector attached.
ThemeAdminForm::buildForm in core/modules/system/src/Form/ThemeAdminForm.php
Form constructor.
Time::buildOptionsForm in core/modules/views/src/Plugin/views/cache/Time.php
Provide a form to edit options for this plugin.
TimestampFormatter::settingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
Returns a form to configure settings for the formatter.
TranslateFilterForm::buildForm in core/modules/locale/src/Form/TranslateFilterForm.php
Form constructor.
UserData::buildOptionsForm in core/modules/user/src/Plugin/views/field/UserData.php
Default option form that provides label widget that all fields should have.
UserSelection::buildConfigurationForm in core/modules/user/src/Plugin/EntityReferenceSelection/UserSelection.php
Form constructor.
View::buildOptionsForm in core/modules/views/src/Plugin/views/area/View.php
Provide a form to edit options for this plugin.
ViewAddForm::form in core/modules/views_ui/src/ViewAddForm.php
Gets the actual form array to be built.
ViewsSelection::buildConfigurationForm in core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php
Form constructor.
views_ui_standard_display_dropdown in core/modules/views_ui/admin.inc
Adds an element to select either the default display or the current display.
WizardPluginBase::buildFilters in core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
Builds the form structure for selecting the view's filters.
WizardPluginBase::buildForm in core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
Form callback to build other elements in the "show" form.
WizardPluginBase::buildFormStyle in core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
Adds the style options to the wizard form.
WizardPluginBase::buildSorts in core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
Builds the form structure for selecting the view's sort order.
WizardPluginBaseTest::providerTestGetSelected in core/modules/views/tests/src/Unit/WizardPluginBaseTest.php
Provides test data for testGetSelected().
WorkflowAddForm::form in core/modules/workflows/src/Form/WorkflowAddForm.php
Gets the actual form array to be built.
WorkspaceSwitcherForm::buildForm in core/modules/workspaces/src/Form/WorkspaceSwitcherForm.php
Form constructor.

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