src/db-objects/elements/element-types/element-type.php

Element_Type::add_required_settings_field()

Adds a settings field for specifying whether the element is required to be filled in.

Adds a settings field for specifying additional CSS classes for the input.

Sanitizes the settings sections.

Sanitizes the settings fields.

Filter Hook: Filters the two strings to use for choice export columns indicating whether the choice was included in the submission or not.

Checks whether a single export column should be used for all choices.

Filter Hook: Filters whether to only render a single column for all choices when exporting submissions.

Escapes a single value for a specific export format.

Creates a new error object.

Gets the slug for a submission value edit field.