| DatetimeElementFormTest::$modules | property | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Modules to enable. | 
          
                                                                                        | DatetimeElementFormTest::buildForm | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Form constructor. | 
          
                                                                                        | DatetimeElementFormTest::datetimecallback | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php |  | 
          
                                                                                        | DatetimeElementFormTest::getFormId | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Returns a unique string identifying the form. | 
          
                                                                                        | DatetimeElementFormTest::setUp | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Sets up the test. | 
          
                                                                                        | DatetimeElementFormTest::submitForm | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Form submission handler. | 
          
                                                                                        | DatetimeElementFormTest::testDatetimeElement | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Tests that default handlers are added even if custom are specified. | 
          
                                                                                        | DatetimeElementFormTest::testTimezoneHandling | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Tests proper timezone handling of the Datetime element. | 
          
                                                                                        | DatetimeElementFormTest::validateForm | function | core/tests/Drupal/KernelTests/Core/Datetime/DatetimeElementFormTest.php | Form validation handler. | 
          
                                                                                        | DateTimeFieldItemList | class | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Represents a configurable entity datetime field. | 
          
                                                                                        | DateTimeFieldItemList.php | file | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php |  | 
          
                                                                                        | DateTimeFieldItemList::defaultValuesForm | function | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Returns a form for the default value input. | 
          
                                                                                        | DateTimeFieldItemList::defaultValuesFormSubmit | function | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Processes the submitted default value. | 
          
                                                                                        | DateTimeFieldItemList::defaultValuesFormValidate | function | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Validates the submitted default value. | 
          
                                                                                        | DateTimeFieldItemList::DEFAULT_VALUE_CUSTOM | constant | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Defines the default value as relative. | 
          
                                                                                        | DateTimeFieldItemList::DEFAULT_VALUE_NOW | constant | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Defines the default value as now. | 
          
                                                                                        | DateTimeFieldItemList::processDefaultValue | function | core/modules/datetime/src/Plugin/Field/FieldType/DateTimeFieldItemList.php | Processes the default value before being applied. | 
          
                                                                                        | DateTimeFieldRdfaTest | class | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php | Tests RDFa output by datetime field formatters. | 
          
                                                                                        | DateTimeFieldRdfaTest.php | file | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php |  | 
          
                                                                                        | DateTimeFieldRdfaTest::$fieldType | property | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php | The machine name of the field type to test. | 
          
                                                                                        | DateTimeFieldRdfaTest::$modules | property | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php | Modules to enable. | 
          
                                                                                        | DateTimeFieldRdfaTest::$testValue | property | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php | The 'value' property value for testing. | 
          
                                                                                        | DateTimeFieldRdfaTest::setUp | function | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php | Set the default field storage backend for fields created during tests. | 
          
                                                                                        | DateTimeFieldRdfaTest::testDefaultFormatter | function | core/modules/rdf/tests/src/Kernel/Field/DateTimeFieldRdfaTest.php | Tests the default formatter. | 
          
                                                                                        | DateTimeFieldTest | class | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Tests Datetime field functionality. | 
          
                                                                                        | DateTimeFieldTest.php | file | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php |  | 
          
                                                                                        | DateTimeFieldTest::$defaultSettings | property | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | The default display settings to use for the formatters. | 
          
                                                                                        | DateTimeFieldTest::$defaultTheme | property | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | The theme to install as the default for testing. | 
          
                                                                                        | DateTimeFieldTest::datelistDataProvider | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | The data provider for testing the validation of the datelist widget. | 
          
                                                                                        | DateTimeFieldTest::getTestFieldType | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Returns the type of field to be tested. | 
          
                                                                                        | DateTimeFieldTest::testDateField | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Tests date field functionality. | 
          
                                                                                        | DateTimeFieldTest::testDatelistWidget | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Tests Date List Widget functionality. | 
          
                                                                                        | DateTimeFieldTest::testDateStorageSettings | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Tests that 'Date' field storage setting form is disabled if field has data. | 
          
                                                                                        | DateTimeFieldTest::testDatetimeField | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Tests date and time field. | 
          
                                                                                        | DateTimeFieldTest::testDefaultValue | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Test default value functionality. | 
          
                                                                                        | DateTimeFieldTest::testInvalidField | function | core/modules/datetime/tests/src/Functional/DateTimeFieldTest.php | Test that invalid values are caught and marked as invalid. | 
          
                                                                                        | DateTimeFormatConstraint | class | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraint.php | Validation constraint for DateTime items to ensure the format is correct. | 
          
                                                                                        | DateTimeFormatConstraint.php | file | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraint.php |  | 
          
                                                                                        | DateTimeFormatConstraint::$badFormat | property | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraint.php | Message for when the value isn't in the proper format. | 
          
                                                                                        | DateTimeFormatConstraint::$badType | property | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraint.php | Message for when the value isn't a string. | 
          
                                                                                        | DateTimeFormatConstraint::$badValue | property | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraint.php | Message for when the value did not parse properly. | 
          
                                                                                        | DateTimeFormatConstraintValidator | class | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraintValidator.php | Constraint validator for DateTime items to ensure the format is correct. | 
          
                                                                                        | DateTimeFormatConstraintValidator.php | file | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraintValidator.php |  | 
          
                                                                                        | DateTimeFormatConstraintValidator::validate | function | core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraintValidator.php |  | 
          
                                                                                        | DateTimeFormatterBase | class | core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php | Base class for 'DateTime Field formatter' plugin implementations. | 
          
                                                                                        | DateTimeFormatterBase.php | file | core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php |  | 
          
                                                                                        | DateTimeFormatterBase::$dateFormatStorage | property | core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php | The date format entity storage. | 
          
                                                                                        | DateTimeFormatterBase::$dateFormatter | property | core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php | The date formatter service. | 
          
                                                                                        | DateTimeFormatterBase::buildDate | function | core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php | Creates a render array from a date object. | 
          
                                                                                        | DateTimeFormatterBase::buildDateWithIsoAttribute | function | core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php | Creates a render array from a date object with ISO date attribute. |