From f497196755e6d9600b206545a0bbca4d42d28cad Mon Sep 17 00:00:00 2001
From: rmpel <rmpel@users.noreply.github.com>
Date: Fri, 20 Apr 2018 16:03:14 +0200
Subject: [PATCH] expert-caching and empty parameters, like ?amp, should not
 serve cached page (#533)

---
 wp-cache.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-cache.php b/wp-cache.php
index 70c9fbbf..cdd29490 100644
--- a/wp-cache.php
+++ b/wp-cache.php
@@ -3255,7 +3255,7 @@ function wpsc_get_htaccess_info() {
 		$condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*//.*$";
 	}
 	$condition_rules[] = "RewriteCond %{REQUEST_METHOD} !POST";
-	$condition_rules[] = "RewriteCond %{QUERY_STRING} !.*=.*";
+	$condition_rules[] = "RewriteCond %{QUERY_STRING} ^$";
 	$condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.*(comment_author_|" . wpsc_get_logged_in_cookie() . "|wp-postpass_).*$";
 	$condition_rules[] = "RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\\\"]+ [NC]";
 	$condition_rules[] = "RewriteCond %{HTTP:Profile} !^[a-z0-9\\\"]+ [NC]";