From 3eecebc34f548cb135b5285515729ed91184e9e4 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Sun, 3 Dec 2017 13:41:09 +0300
Subject: [PATCH] sanity_check: do not invoke PDO without checking that it
 exists

---
 include/sanity_check.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/sanity_check.php b/include/sanity_check.php
index fc9c49a4..dddc557f 100755
--- a/include/sanity_check.php
+++ b/include/sanity_check.php
@@ -90,7 +90,7 @@
 				}
 			}
 
-			if (SINGLE_USER_MODE) {
+			if (SINGLE_USER_MODE && class_exists("PDO")) {
 			    $pdo = DB::pdo();
 
 				$res = $pdo->query("SELECT id FROM ttrss_users WHERE id = 1");