Fires immediately before partials are rendered. Plugins may do things like call wp_enqueue_scripts() and gather a list of the scripts and styles which may get enqueued in the response.
- ( 4.5.0 ) . .
- ( WP_Customize_Selective_Refresh ) Selective refresh component. . . .
- ( array ) $partials Placements’ context data for the partials rendered in the request. The array is keyed by partial ID, with each item being an array of the placements’ context data. . . .