Cancel the cache under a specific Query after posts endpoints

Hi @drblack233

Thank you for using our plugin!

Yes there is a solution. By using the wp_rest_cache/skip_caching filter you could make our plugin not cache any request with a random ordering:

add_filter( 'wp_rest_cache/skip_caching', 'wprc_do_not_cache_random_order', 10, 1 );
function wprc_do_not_cache_random_order( $skip ) {
	if ( isset( $_GET['orderby'] ) && 'rand' === $_GET['orderby'] ) {
		$skip = true;
	}
	return $skip;
}

But there is one catch: because of the way our plugin works, you would have to put this inside a mu-plugin that is loaded before our mu-plugin (so it should be named alphabetically before wp-rest-cache.php). So if you would place the above code in a file skip-random-cache.php inside the muplugin directory it should work.

Thanks! this solved my problem