is_header_video_active хук-фильтр . WP 4.7.0

Modify whether the custom header video is eligible to show on the current page.

Использование

add_filter( 'is_header_video_active', 'filter_function_name_3655' );
function filter_function_name_3655( $show_video ){
	// filter...

	return $show_video;
}

$show_video(true/false)

Whether the custom header video should be shown. Returns the value of the theme setting for the custom-header's video-active-callback. If no callback is set, the default value is that of is_front_page().

Где вызывается хук

return apply_filters( 'is_header_video_active', $show_video );

Где используется хук (в ядре WP)