7 methods override WidgetBase::massageFormValues()

CommentWidget::massageFormValues in core/modules/comment/src/Plugin/Field/FieldWidget/CommentWidget.php
Massages the form values into the format expected for field values.
DateTimeWidgetBase::massageFormValues in core/modules/datetime/src/Plugin/Field/FieldWidget/DateTimeWidgetBase.php
Massages the form values into the format expected for field values.
EntityReferenceAutocompleteWidget::massageFormValues in core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/EntityReferenceAutocompleteWidget.php
Massages the form values into the format expected for field values.
FileWidget::massageFormValues in core/modules/file/src/Plugin/Field/FieldWidget/FileWidget.php
Massages the form values into the format expected for field values.
LinkWidget::massageFormValues in core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
Massages the form values into the format expected for field values.
MediaLibraryWidget::massageFormValues in core/modules/media_library/src/Plugin/Field/FieldWidget/MediaLibraryWidget.php
Massages the form values into the format expected for field values.
TimestampDatetimeWidget::massageFormValues in core/lib/Drupal/Core/Datetime/Plugin/Field/FieldWidget/TimestampDatetimeWidget.php
Massages the form values into the format expected for field values.

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