rocket-nocache-loggedin-comment

<?php
/**
 * Plugin Name: No cache after logged-in user comment
 * Description: Don't use cache after a user made a comment
 * Author:      WP Rocket team
 * License:     GNU General Public License v3 or later
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 */

// Basic security, prevents file from being loaded directly.
defined( 'ABSPATH' ) or die( 'Cheatin&#8217; uh?' );

function wp_rocket_set_loggedin_comment( $comment, $user ) {
	if ( ! $user->exists() ) {
		return;
	}

	$comment_cookie_lifetime = apply_filters( 'comment_cookie_lifetime', 30000000 );
	$secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
	setcookie( 'logged_in_comment_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
}
add_action( 'set_comment_cookies', 'wp_rocket_set_loggedin_comment', 10, 2 );

function wp_rocket_add_cookie( $cookies ) {
	$cookies[] = 'logged_in_comment_';

	return $cookies;
}
add_filter( 'rocket_cache_reject_cookies', 'wp_rocket_add_cookie' );