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filter is not described

rest_send_nocache_headers filter-hook . WP 4.4.0

Send nocache headers on authenticated requests.

Usage

add_filter( 'rest_send_nocache_headers', 'filter_function_name_2585' );
function filter_function_name_2585( $rest_send_nocache_headers ){
	// filter...

	return $rest_send_nocache_headers;
}
$rest_send_nocache_headers(true/false)
Whether to send no-cache headers.

Where the hook is called

WP_REST_Server::serve_request()
rest_send_nocache_headers
wp-includes/rest-api/class-wp-rest-server.php 244
$send_no_cache_headers = apply_filters( 'rest_send_nocache_headers', is_user_logged_in() );

Where the hook is used (in WP core)

Does not used.