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Title Object type File name Summary
FilterInterface::process function core/modules/filter/src/Plugin/FilterInterface.php Performs the filter processing.
FilterInterface::settingsForm function core/modules/filter/src/Plugin/FilterInterface.php Generates a filter's settings form.
FilterInterface::tips function core/modules/filter/src/Plugin/FilterInterface.php Generates a filter's tip.
FilterInterface::TYPE_HTML_RESTRICTOR constant core/modules/filter/src/Plugin/FilterInterface.php HTML tag and attribute restricting filters to prevent XSS attacks.
FilterInterface::TYPE_MARKUP_LANGUAGE constant core/modules/filter/src/Plugin/FilterInterface.php Non-HTML markup language filters that generate HTML.
FilterInterface::TYPE_TRANSFORM_IRREVERSIBLE constant core/modules/filter/src/Plugin/FilterInterface.php Irreversible transformation filters.
FilterInterface::TYPE_TRANSFORM_REVERSIBLE constant core/modules/filter/src/Plugin/FilterInterface.php Reversible transformation filters.
FilterOperatorsInterface interface core/modules/views/src/Plugin/views/filter/FilterOperatorsInterface.php Provides an interface for all views filters that implement operators.
FilterOperatorsInterface.php file core/modules/views/src/Plugin/views/filter/FilterOperatorsInterface.php
FilterOperatorsInterface::operators function core/modules/views/src/Plugin/views/filter/FilterOperatorsInterface.php Returns an array of operator information, keyed by operator ID.
FloatInterface interface core/lib/Drupal/Core/TypedData/Type/FloatInterface.php Interface for floating-point numbers.
FloatInterface.php file core/lib/Drupal/Core/TypedData/Type/FloatInterface.php
FloodInterface interface core/lib/Drupal/Core/Flood/FloodInterface.php Defines an interface for flood controllers.
FloodInterface.php file core/lib/Drupal/Core/Flood/FloodInterface.php
FloodInterface::clear function core/lib/Drupal/Core/Flood/FloodInterface.php Makes the flood control mechanism forget an event for the current visitor.
FloodInterface::garbageCollection function core/lib/Drupal/Core/Flood/FloodInterface.php Cleans up expired flood events.
FloodInterface::isAllowed function core/lib/Drupal/Core/Flood/FloodInterface.php Checks whether a user is allowed to proceed with the specified event.
FloodInterface::register function core/lib/Drupal/Core/Flood/FloodInterface.php Registers an event for the current visitor to the flood control mechanism.
FormAjaxResponseBuilderInterface interface core/lib/Drupal/Core/Form/FormAjaxResponseBuilderInterface.php Provides an interface for building AJAX form responses.
FormAjaxResponseBuilderInterface.php file core/lib/Drupal/Core/Form/FormAjaxResponseBuilderInterface.php
FormAjaxResponseBuilderInterface::buildResponse function core/lib/Drupal/Core/Form/FormAjaxResponseBuilderInterface.php Builds a response for an AJAX form.
FormatterInterface interface core/lib/Drupal/Core/Field/FormatterInterface.php Interface definition for field formatter plugins.
FormatterInterface.php file core/lib/Drupal/Core/Field/FormatterInterface.php
FormatterInterface::isApplicable function core/lib/Drupal/Core/Field/FormatterInterface.php Returns if the formatter can be used for the provided field.
FormatterInterface::prepareView function core/lib/Drupal/Core/Field/FormatterInterface.php Allows formatters to load information for field values being displayed.
FormatterInterface::settingsForm function core/lib/Drupal/Core/Field/FormatterInterface.php Returns a form to configure settings for the formatter.
FormatterInterface::settingsSummary function core/lib/Drupal/Core/Field/FormatterInterface.php Returns a short summary for the current formatter settings.
FormatterInterface::view function core/lib/Drupal/Core/Field/FormatterInterface.php Builds a renderable array for a fully themed field.
FormatterInterface::viewElements function core/lib/Drupal/Core/Field/FormatterInterface.php Builds a renderable array for a field value.
FormBuilderInterface interface core/lib/Drupal/Core/Form/FormBuilderInterface.php Provides an interface for form building and processing.
FormBuilderInterface.php file core/lib/Drupal/Core/Form/FormBuilderInterface.php
FormBuilderInterface::AJAX_FORM_REQUEST constant core/lib/Drupal/Core/Form/FormBuilderInterface.php Request key for AJAX forms that submit to the form's original route.
FormBuilderInterface::buildForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Builds and processes a form for a given form ID.
FormBuilderInterface::doBuildForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Builds and processes all elements in the structured form array.
FormBuilderInterface::getForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Gets a renderable form array.
FormBuilderInterface::getFormId function core/lib/Drupal/Core/Form/FormBuilderInterface.php Determines the ID of a form.
FormBuilderInterface::prepareForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Prepares a structured form array.
FormBuilderInterface::processForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Processes a form submission.
FormBuilderInterface::rebuildForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Constructs a new $form from the information in $form_state.
FormBuilderInterface::retrieveForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Retrieves the structured array that defines a given form.
FormBuilderInterface::submitForm function core/lib/Drupal/Core/Form/FormBuilderInterface.php Retrieves, populates, and processes a form.
FormCacheInterface interface core/lib/Drupal/Core/Form/FormCacheInterface.php Provides an interface for the caching of a form and its form state.
FormCacheInterface.php file core/lib/Drupal/Core/Form/FormCacheInterface.php
FormCacheInterface::deleteCache function core/lib/Drupal/Core/Form/FormCacheInterface.php Deletes a form in the cache.
FormCacheInterface::getCache function core/lib/Drupal/Core/Form/FormCacheInterface.php Fetches a form from the cache.
FormCacheInterface::setCache function core/lib/Drupal/Core/Form/FormCacheInterface.php Stores a form in the cache.
FormElementInterface interface core/lib/Drupal/Core/Render/Element/FormElementInterface.php Provides an interface for form element plugins.
FormElementInterface.php file core/lib/Drupal/Core/Render/Element/FormElementInterface.php
FormElementInterface::valueCallback function core/lib/Drupal/Core/Render/Element/FormElementInterface.php Determines how user input is mapped to an element's #value property.
FormErrorHandlerInterface interface core/lib/Drupal/Core/Form/FormErrorHandlerInterface.php Provides an interface for handling form errors.

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