views_plugin_display::get_option in core/modules/views/plugins/views_plugin_display.inc

Intelligently get an option either from this display or from the default display, if directed to do so.

views_plugin_display::get_plugin in core/modules/views/plugins/views_plugin_display.inc

Get the instance of a plugin, for example style or row.

views_plugin_display::set_option in core/modules/views/plugins/views_plugin_display.inc

Intelligently set an option either from this display or from the default display, if directed to do so.