195 files declare their use of Html

AggregatorTestBase.php in core/modules/aggregator/tests/src/Functional/AggregatorTestBase.php
AjaxResponseSubscriber.php in core/lib/Drupal/Core/EventSubscriber/AjaxResponseSubscriber.php
ArgumentPluginBase.php in core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
AssertBreadcrumbTrait.php in core/modules/system/tests/src/Functional/Menu/AssertBreadcrumbTrait.php
AssertContentTrait.php in core/tests/Drupal/KernelTests/AssertContentTrait.php
AttributeArray.php in core/lib/Drupal/Core/Template/AttributeArray.php
AttributeBoolean.php in core/lib/Drupal/Core/Template/AttributeBoolean.php
AttributeString.php in core/lib/Drupal/Core/Template/AttributeString.php
AttributeTest.php in core/tests/Drupal/Tests/Core/Template/AttributeTest.php
AttributeValueBase.php in core/lib/Drupal/Core/Template/AttributeValueBase.php
bartik.theme in core/themes/bartik/bartik.theme
Functions to support theming in the Bartik theme.
batch_test.callbacks.inc in core/modules/system/tests/modules/batch_test/batch_test.callbacks.inc
Batch callbacks for the Batch API tests.
BigPipe.php in core/modules/big_pipe/src/Render/BigPipe.php
BigPipeStrategy.php in core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
BigPipeTest.php in core/modules/big_pipe/tests/src/Functional/BigPipeTest.php
block.module in core/modules/block/block.module
Controls the visual building blocks a page is constructed with.
BlockContentForm.php in core/modules/block_content/src/BlockContentForm.php
BlockContentTypeTest.php in core/modules/block_content/tests/src/Functional/BlockContentTypeTest.php
BlockController.php in core/modules/block/src/Controller/BlockController.php
BlockEntitySettingTrayForm.php in core/modules/settings_tray/src/Block/BlockEntitySettingTrayForm.php
BlockForm.php in core/modules/block/src/BlockForm.php
BlockListBuilder.php in core/modules/block/src/BlockListBuilder.php
BlockRenderOrderTest.php in core/modules/block/tests/src/Functional/BlockRenderOrderTest.php
BlockTest.php in core/modules/block/tests/src/Functional/BlockTest.php
BlockUiTest.php in core/modules/block/tests/src/Functional/BlockUiTest.php
BlockViewBuilderTest.php in core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php
BrowserHtmlDebugTrait.php in core/tests/Drupal/Tests/BrowserHtmlDebugTrait.php
BrowserTestBaseTest.php in core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
CategoryAutocompleteController.php in core/modules/block/src/Controller/CategoryAutocompleteController.php
CategoryAutocompleteTest.php in core/modules/block/tests/src/Unit/CategoryAutocompleteTest.php
ckeditor.admin.inc in core/modules/ckeditor/ckeditor.admin.inc
Callbacks and theming for the CKEditor toolbar configuration UI.
CKEditor5TestTrait.php in core/modules/ckeditor5/tests/src/Traits/CKEditor5TestTrait.php
claro.theme in core/themes/claro/claro.theme
Functions to support theming in the Claro theme.
CommentAdminTest.php in core/modules/comment/tests/src/Functional/CommentAdminTest.php
CommentAdminTest.php in core/modules/comment/tests/src/Functional/Views/CommentAdminTest.php
CommentForm.php in core/modules/comment/src/CommentForm.php
CommentSelection.php in core/modules/comment/src/Plugin/EntityReferenceSelection/CommentSelection.php
CommentTokenReplaceTest.php in core/modules/comment/tests/src/Functional/CommentTokenReplaceTest.php
CommentWidget.php in core/modules/comment/src/Plugin/Field/FieldWidget/CommentWidget.php
common.inc in core/includes/common.inc
Common functions that many Drupal modules will need to reference.
CommonTestController.php in core/modules/system/tests/modules/common_test/src/Controller/CommonTestController.php
ConfigDraggableListBuilderTest.php in core/modules/config/tests/src/Functional/ConfigDraggableListBuilderTest.php
ConfigImporterTest.php in core/tests/Drupal/KernelTests/Core/Config/ConfigImporterTest.php
ConfigTranslationOverviewTest.php in core/modules/config_translation/tests/src/Functional/ConfigTranslationOverviewTest.php
ConfigTranslationUiTest.php in core/modules/config_translation/tests/src/Functional/ConfigTranslationUiTest.php
ConfigureBlockFormBase.php in core/modules/layout_builder/src/Form/ConfigureBlockFormBase.php
ConfigureSectionForm.php in core/modules/layout_builder/src/Form/ConfigureSectionForm.php
ContactPersonalTest.php in core/modules/contact/tests/src/Functional/ContactPersonalTest.php
Container.php in core/lib/Drupal/Core/Render/Element/Container.php
ContextualLinks.php in core/modules/contextual/src/Element/ContextualLinks.php
ContextualLinks.php in core/modules/contextual/src/Plugin/views/field/ContextualLinks.php
DbLogController.php in core/modules/dblog/src/Controller/DbLogController.php
DefaultSelection.php in core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/DefaultSelection.php
DialogRenderer.php in core/lib/Drupal/Core/Render/MainContent/DialogRenderer.php
DiffFormatter.php in core/lib/Drupal/Core/Diff/DiffFormatter.php
DisplayPluginBase.php in core/modules/views/src/Plugin/views/display/DisplayPluginBase.php
editor.module in core/modules/editor/editor.module
Adds bindings for client-side "text editors" to text formats.
EditorFileReference.php in core/modules/editor/src/Plugin/Filter/EditorFileReference.php
EntityAutocompleteMatcher.php in core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php
EntityAutocompleteTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityAutocompleteTest.php
EntityReferenceItem.php in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php
EntityReferenceSelectionAccessTest.php in core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php
EntityReferenceSelectionReferenceableTest.php in core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
EntityReferenceSelectionSortTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityReferenceSelection/EntityReferenceSelectionSortTest.php
ExceptionHandlingTest.php in core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php
ExposedFormRenderTest.php in core/modules/views/tests/src/Kernel/Plugin/ExposedFormRenderTest.php
ExposedFormTest.php in core/modules/views/tests/src/Functional/Plugin/ExposedFormTest.php
Fast404ExceptionHtmlSubscriber.php in core/lib/Drupal/Core/EventSubscriber/Fast404ExceptionHtmlSubscriber.php
FieldConfigListBuilder.php in core/modules/field_ui/src/FieldConfigListBuilder.php
FieldFilteredMarkup.php in core/lib/Drupal/Core/Field/FieldFilteredMarkup.php
FieldPluginBase.php in core/modules/views/src/Plugin/views/field/FieldPluginBase.php
FieldUiTable.php in core/modules/field_ui/src/Element/FieldUiTable.php
FieldWebTest.php in core/modules/views/tests/src/Functional/Handler/FieldWebTest.php
FileTokenReplaceTest.php in core/modules/file/tests/src/Functional/FileTokenReplaceTest.php
filter.module in core/modules/filter/filter.module
Framework for handling the filtering of content.
FilterAdminTest.php in core/modules/filter/tests/src/Functional/FilterAdminTest.php
FilterAlign.php in core/modules/filter/src/Plugin/Filter/FilterAlign.php
FilterCaption.php in core/modules/filter/src/Plugin/Filter/FilterCaption.php
FilterHtml.php in core/modules/filter/src/Plugin/Filter/FilterHtml.php
FilterHtmlCorrector.php in core/modules/filter/src/Plugin/Filter/FilterHtmlCorrector.php
FilterKernelTest.php in core/modules/filter/tests/src/Kernel/FilterKernelTest.php
FilterPluginBase.php in core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
FilterProcessResult.php in core/modules/filter/src/FilterProcessResult.php
FormattableMarkup.php in core/lib/Drupal/Component/Render/FormattableMarkup.php
FormBuilder.php in core/lib/Drupal/Core/Form/FormBuilder.php
FormBuilderTest.php in core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php
Contains \Drupal\Tests\Core\Form\FormBuilderTest.
FormTest.php in core/modules/field/tests/src/Functional/FormTest.php
FormTest.php in core/modules/system/tests/src/Functional/Form/FormTest.php
FormTestBase.php in core/tests/Drupal/Tests/Core/Form/FormTestBase.php
FormTestStorageForm.php in core/modules/system/tests/modules/form_test/src/Form/FormTestStorageForm.php
FunctionsTest.php in core/modules/system/tests/src/Kernel/Theme/FunctionsTest.php
Grid.php in core/modules/views/src/Plugin/views/style/Grid.php
HandlerBase.php in core/modules/views/src/Plugin/views/HandlerBase.php
HandlerFieldRoleTest.php in core/modules/user/tests/src/Functional/Views/HandlerFieldRoleTest.php
HandlerFilterPermissionTest.php in core/modules/user/tests/src/Kernel/Views/HandlerFilterPermissionTest.php
HtmlEscapedText.php in core/lib/Drupal/Component/Render/HtmlEscapedText.php
HtmlOutputPrinterTrait.php in core/tests/Drupal/Tests/Listeners/HtmlOutputPrinterTrait.php
HtmlTag.php in core/lib/Drupal/Core/Render/Element/HtmlTag.php
HtmlTest.php in core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
HtmlToTextTest.php in core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php
ImageTestBase.php in core/modules/ckeditor5/tests/src/FunctionalJavascript/ImageTestBase.php
InstallHelper.php in core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php
Internal.php in core/modules/ckeditor/src/Plugin/CKEditorPlugin/Internal.php
LanguageFormBase.php in core/modules/language/src/Form/LanguageFormBase.php
Link.php in core/lib/Drupal/Core/Render/Element/Link.php
LinkFieldTest.php in core/modules/link/tests/src/Functional/LinkFieldTest.php
LinkFieldUITest.php in core/modules/link/tests/src/Functional/LinkFieldUITest.php
LinkGenerator.php in core/lib/Drupal/Core/Utility/LinkGenerator.php
Links.php in core/modules/views/src/Plugin/views/field/Links.php
LocalActionTest.php in core/modules/system/tests/src/Functional/Menu/LocalActionTest.php
locale.module in core/modules/locale/locale.module
Enables the translation of the user interface to languages other than English.
LocalTasksTest.php in core/modules/system/tests/src/Functional/Menu/LocalTasksTest.php
MailFormatHelper.php in core/lib/Drupal/Core/Mail/MailFormatHelper.php
MailManager.php in core/lib/Drupal/Core/Mail/MailManager.php
ManagedFile.php in core/modules/file/src/Element/ManagedFile.php
MediaEmbed.php in core/modules/media/src/Plugin/Filter/MediaEmbed.php
MediaEmbedFilterTestBase.php in core/modules/media/tests/src/Kernel/MediaEmbedFilterTestBase.php
MediaLibraryTest.php in core/modules/ckeditor/tests/src/FunctionalJavascript/MediaLibraryTest.php
MediaReferenceFieldHelpTest.php in core/modules/media/tests/src/FunctionalJavascript/MediaReferenceFieldHelpTest.php
MediaTest.php in core/modules/ckeditor/tests/src/FunctionalJavascript/MediaTest.php
MediaTypeCreationTest.php in core/modules/media/tests/src/FunctionalJavascript/MediaTypeCreationTest.php
MigrateExecutableTest.php in core/modules/migrate/tests/src/Unit/MigrateExecutableTest.php
node.api.php in core/modules/node/node.api.php
Hooks specific to the Node module.
NodeTitleTest.php in core/modules/node/tests/src/Functional/NodeTitleTest.php
NodeTitleXSSTest.php in core/modules/node/tests/src/Functional/NodeTitleXSSTest.php
NodeTokenReplaceTest.php in core/modules/node/tests/src/Kernel/NodeTokenReplaceTest.php
olivero.theme in core/themes/olivero/olivero.theme
Functions to support theming in the Olivero theme.
OptionsSelectWidget.php in core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsSelectWidget.php
PageTitleTest.php in core/modules/system/tests/src/Functional/System/PageTitleTest.php
Permissions.php in core/modules/user/src/Plugin/views/filter/Permissions.php
PhpSelection.php in core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/PhpSelection.php
PlaceholderGenerator.php in core/lib/Drupal/Core/Render/PlaceholderGenerator.php
PlaceholderGeneratorTest.php in core/tests/Drupal/Tests/Core/Render/PlaceholderGeneratorTest.php
PlainTextOutput.php in core/lib/Drupal/Component/Render/PlainTextOutput.php
Radios.php in core/lib/Drupal/Core/Render/Element/Radios.php
RawStringFormatterTest.php in core/modules/field/tests/src/Kernel/String/RawStringFormatterTest.php
RearrangeFilter.php in core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php
RenderElementTypesTest.php in core/tests/Drupal/KernelTests/Core/Render/Element/RenderElementTypesTest.php
Renderer.php in core/lib/Drupal/Core/Render/Renderer.php
RendererPlaceholdersTest.php in core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
Contains \Drupal\Tests\Core\Render\RendererPlaceholdersTest.
Result.php in core/modules/views/src/Plugin/views/area/Result.php
RssResponseRelativeUrlFilter.php in core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php
search.module in core/modules/search/search.module
Enables site-wide keyword searching.
SearchKeywordsConditionsTest.php in core/modules/search/tests/src/Functional/SearchKeywordsConditionsTest.php
SearchTextProcessor.php in core/modules/search/src/SearchTextProcessor.php
SelectionTest.php in core/modules/field/tests/src/Kernel/EntityReference/Views/SelectionTest.php
SelectionTest.php in core/modules/field/tests/src/Functional/EntityReference/Views/SelectionTest.php
seven.theme in core/themes/seven/seven.theme
Functions to support theming in the Seven theme.
stable.theme in core/themes/stable/stable.theme
Functions to support theming in the Stable theme.
Standard.php in core/modules/editor/src/EditorXssFilter/Standard.php
StandardTest.php in core/profiles/standard/tests/src/Functional/StandardTest.php
StringFormatterTest.php in core/modules/field/tests/src/Kernel/String/StringFormatterTest.php
StylePluginBase.php in core/modules/views/src/Plugin/views/style/StylePluginBase.php
SvgIconBuilder.php in core/lib/Drupal/Core/Layout/Icon/SvgIconBuilder.php
system.admin.inc in core/modules/system/system.admin.inc
Admin page callbacks for the system module.
Table.php in core/modules/views/src/Plugin/views/style/Table.php
Table.php in core/lib/Drupal/Core/Render/Element/Table.php
Tableselect.php in core/lib/Drupal/Core/Render/Element/Tableselect.php
TagTest.php in core/modules/views_ui/tests/src/Kernel/TagTest.php
TermSelection.php in core/modules/taxonomy/src/Plugin/EntityReferenceSelection/TermSelection.php
TestAttributeFilter.php in core/modules/ckeditor/tests/modules/src/Plugin/Filter/TestAttributeFilter.php
text.module in core/modules/text/text.module
Defines simple text field types.
TextFieldTest.php in core/modules/text/tests/src/Functional/TextFieldTest.php
theme.inc in core/includes/theme.inc
The theme system, which controls the output of Drupal.
ThemeInstaller.php in core/lib/Drupal/Core/Extension/ThemeInstaller.php
ThemeRenderAndAutoescapeTest.php in core/tests/Drupal/KernelTests/Core/Theme/ThemeRenderAndAutoescapeTest.php
Contains \Drupal\KernelTests\Core\Theme\ThemeRenderAndAutoescapeTest.
TipPluginImageLegacy.php in core/modules/tour/tests/tour_test/src/Plugin/tour/tip/TipPluginImageLegacy.php
TipPluginTextLegacy.php in core/modules/tour/tests/tour_test/src/Plugin/tour/tip/TipPluginTextLegacy.php
TokenReplaceKernelTest.php in core/modules/system/tests/src/Kernel/Token/TokenReplaceKernelTest.php
TokenTest.php in core/tests/Drupal/Tests/Core/Utility/TokenTest.php
Toolbar.php in core/modules/toolbar/src/Element/Toolbar.php
TourViewBuilder.php in core/modules/tour/src/TourViewBuilder.php
twig.engine in core/themes/engines/twig/twig.engine
Handles integration of Twig templates with the Drupal theme system.
TwigDebugMarkupTest.php in core/modules/system/tests/src/Functional/Theme/TwigDebugMarkupTest.php
TwigEnvironmentTest.php in core/tests/Drupal/KernelTests/Core/Theme/TwigEnvironmentTest.php
TwigExtension.php in core/lib/Drupal/Core/Template/TwigExtension.php
UiHelperTrait.php in core/tests/Drupal/Tests/UiHelperTrait.php
umami.theme in core/profiles/demo_umami/themes/umami/umami.theme
Functions to support theming in the Umami theme.
UpdatePathTestBaseTest.php in core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBaseTest.php
UrlResolver.php in core/modules/media/src/OEmbed/UrlResolver.php
ValidatorsTest.php in core/modules/ckeditor5/tests/src/Kernel/ValidatorsTest.php
ViewAjaxController.php in core/modules/views/src/Controller/ViewAjaxController.php
ViewEditForm.php in core/modules/views_ui/src/ViewEditForm.php
ViewExecutable.php in core/modules/views/src/ViewExecutable.php
views.module in core/modules/views/views.module
Primarily Drupal hooks and global API functions to manipulate views.
views.theme.inc in core/modules/views/views.theme.inc
Preprocessors and helper functions to make theming easier.
ViewsExposedForm.php in core/modules/views/src/Form/ViewsExposedForm.php
ViewsFormBase.php in core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php
ViewsFormMainForm.php in core/modules/views/src/Form/ViewsFormMainForm.php
ViewsUIController.php in core/modules/views_ui/src/Controller/ViewsUIController.php
ViewUI.php in core/modules/views_ui/src/ViewUI.php
WebAssert.php in core/tests/Drupal/Tests/WebAssert.php
WidgetBase.php in core/lib/Drupal/Core/Field/WidgetBase.php
WorkspaceSelection.php in core/modules/workspaces/src/Plugin/EntityReferenceSelection/WorkspaceSelection.php
XssTest.php in core/tests/Drupal/Tests/Component/Utility/XssTest.php

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