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Title	Object type	File name	Summary
ThemeSettingsForm::validateForm	function	core/modules/system/src/Form/ThemeSettingsForm.php	Form validation handler.
ThemeSettingsForm::validatePath	function	core/modules/system/src/Form/ThemeSettingsForm.php	Helper function for the system_theme_settings form.
Time::validateOptionsForm	function	core/modules/views/src/Plugin/views/cache/Time.php	Validate the options form.
TimezoneTest::validateForm	function	core/tests/Drupal/KernelTests/Core/Datetime/Element/TimezoneTest.php	Form validation handler.
TranslateEditForm::validateForm	function	core/modules/locale/src/Form/TranslateEditForm.php	Form validation handler.
TranslationStatusForm::validateForm	function	core/modules/locale/src/Form/TranslationStatusForm.php	Form validation handler.
TriggeringElementProgrammedTest::validateForm	function	core/tests/Drupal/KernelTests/Core/Form/TriggeringElementProgrammedTest.php	Form validation handler.
TwigEnvironment::invalidate	function	core/lib/Drupal/Core/Template/TwigEnvironment.php	Invalidates all compiled Twig templates.
TypedData::validate	function	core/lib/Drupal/Core/TypedData/TypedData.php	Validates the currently set data value.
TypedDataInterface::validate	function	core/lib/Drupal/Core/TypedData/TypedDataInterface.php	Validates the currently set data value.
Unicode::validateUtf8	function	core/lib/Drupal/Component/Utility/Unicode.php	Checks whether a string is valid UTF-8.
UnicodeTest::providerTestValidateUtf8	function	core/tests/Drupal/Tests/Component/Utility/UnicodeTest.php	Provides data for self::testValidateUtf8().
UnicodeTest::testValidateUtf8	function	core/tests/Drupal/Tests/Component/Utility/UnicodeTest.php	Tests UTF-8 validation.
UniqueFieldConstraint::validatedBy	function	core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/UniqueFieldConstraint.php
UniqueFieldValueValidator::validate	function	core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/UniqueFieldValueValidator.php
UniquePathAliasConstraintValidator::validate	function	core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/UniquePathAliasConstraintValidator.php
UpdateManagerInstall::validateForm	function	core/modules/update/src/Form/UpdateManagerInstall.php	Form validation handler.
UpdateManagerUpdate::validateForm	function	core/modules/update/src/Form/UpdateManagerUpdate.php	Form validation handler.
UpdateSettingsForm::validateForm	function	core/modules/update/src/UpdateSettingsForm.php	Form validation handler.
Url::validateUrl	function	core/lib/Drupal/Core/Render/Element/Url.php	Form element validation handler for #type 'url'.
User::validateEntity	function	core/modules/user/src/Plugin/views/argument_validator/User.php	Validates an individual entity against class access settings.
UserLoginForm::validateAuthentication	function	core/modules/user/src/Form/UserLoginForm.php	Checks supplied username/password against local users table.
UserLoginForm::validateFinal	function	core/modules/user/src/Form/UserLoginForm.php	Checks if user was not authenticated, or if too many logins were attempted.
UserLoginForm::validateName	function	core/modules/user/src/Form/UserLoginForm.php	Sets an error if supplied username has been blocked.
UserMailRequiredValidator::validate	function	core/modules/user/src/Plugin/Validation/Constraint/UserMailRequiredValidator.php
UserMailRequiredValidatorTest::providerTestValidate	function	core/modules/user/tests/src/Unit/Plugin/Validation/Constraint/UserMailRequiredValidatorTest.php	Data provider for ::testValidate().
UserMailRequiredValidatorTest::testValidate	function	core/modules/user/tests/src/Unit/Plugin/Validation/Constraint/UserMailRequiredValidatorTest.php	@covers ::validate[[api-linebreak]]
UserName::validateArgument	function	core/modules/user/src/Plugin/views/argument_validator/UserName.php	Performs validation for a given argument.
UserNameConstraintValidator::validate	function	core/modules/user/src/Plugin/Validation/Constraint/UserNameConstraintValidator.php
UserPasswordForm::validateForm	function	core/modules/user/src/Form/UserPasswordForm.php	Form validation handler.
UserSelection::validateReferenceableNewEntities	function	core/modules/user/src/Plugin/EntityReferenceSelection/UserSelection.php	Validates which newly created entities can be referenced.
user_validate_name	function	core/modules/user/user.module	Verify the syntax of the given name.
UuidConstraint::validatedBy	function	core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/UuidConstraint.php
ValidateHostnameTest	class	core/tests/Drupal/Tests/Core/DrupalKernel/ValidateHostnameTest.php	@coversDefaultClass \Drupal\Core\DrupalKernel[[api-linebreak]] @group DrupalKernel
ValidateHostnameTest.php	file	core/tests/Drupal/Tests/Core/DrupalKernel/ValidateHostnameTest.php
ValidateHostnameTest::providerTestValidateHostname	function	core/tests/Drupal/Tests/Core/DrupalKernel/ValidateHostnameTest.php	Provides test data for testValidateHostname().
ValidateHostnameTest::testValidateHostname	function	core/tests/Drupal/Tests/Core/DrupalKernel/ValidateHostnameTest.php	@covers ::validateHostname[[api-linebreak]] @dataProvider providerTestValidateHostname
ValidateMigrationStateTest	class	core/modules/migrate_drupal/tests/src/Kernel/d6/ValidateMigrationStateTest.php	Tests the migration state information in module.migrate_drupal.yml.
ValidateMigrationStateTest	class	core/modules/migrate_drupal/tests/src/Kernel/d7/ValidateMigrationStateTest.php	Tests the migration state information in module.migrate_drupal.yml.
ValidateMigrationStateTest.php	file	core/modules/migrate_drupal/tests/src/Kernel/d6/ValidateMigrationStateTest.php
ValidateMigrationStateTest.php	file	core/modules/migrate_drupal/tests/src/Kernel/d7/ValidateMigrationStateTest.php
ValidateMigrationStateTest::$modules	property	core/modules/migrate_drupal/tests/src/Kernel/d6/ValidateMigrationStateTest.php	Modules to enable.
ValidateMigrationStateTest::$modules	property	core/modules/migrate_drupal/tests/src/Kernel/d7/ValidateMigrationStateTest.php	Modules to enable.
ValidateMigrationStateTestTrait	trait	core/modules/migrate_drupal/tests/src/Traits/ValidateMigrationStateTestTrait.php	Tests the migration state information in module.migrate_drupal.yml.
ValidateMigrationStateTestTrait.php	file	core/modules/migrate_drupal/tests/src/Traits/ValidateMigrationStateTestTrait.php
ValidateMigrationStateTestTrait::enableAllModules	function	core/modules/migrate_drupal/tests/src/Traits/ValidateMigrationStateTestTrait.php	Enable all available modules.
ValidateMigrationStateTestTrait::testMigrationState	function	core/modules/migrate_drupal/tests/src/Traits/ValidateMigrationStateTestTrait.php	Tests the migration information in .migrate_drupal.yml.
ValidateTest	class	core/modules/file/tests/src/Kernel/ValidateTest.php	Tests the file_validate() function.
ValidateTest.php	file	core/modules/file/tests/src/Kernel/ValidateTest.php
ValidateTest::testCallerValidation	function	core/modules/file/tests/src/Kernel/ValidateTest.php	Test that the validators passed into are checked.

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