views_handler_filter_in_operator::admin_summary in core/modules/views/handlers/views_handler_filter_in_operator.inc

Display the filter on the administrative summary

views_handler_filter_in_operator::validate in core/modules/views/handlers/views_handler_filter_in_operator.inc

Validates the handler against the complete View.

views_handler_filter_in_operator::value_form in core/modules/views/handlers/views_handler_filter_in_operator.inc

Options form subform for setting options.