From 6ecb5e9068b890e92946254e284d2defaef7acfe Mon Sep 17 00:00:00 2001
From: =?utf8?q?Roland=20H=C3=A4der?= <roland@mxchange.org>
Date: Sat, 21 Nov 2009 17:15:13 +0000
Subject: [PATCH] Fix empty delimiter in isSpider()

---
 inc/functions.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/inc/functions.php b/inc/functions.php
index 8bb05f320e..6b7a1b6138 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -3846,6 +3846,9 @@ function encodeUrl ($url, $outputMode = '0') {
 
 // Simple check for spider
 function isSpider () {
+	// It should not be empty, if so it is better a spider/bot
+	if (detectUserAgent(true) == '') return true;
+
 	// Is it a spider?
 	return ((strpos('spider', strtolower(detectUserAgent(true))) !== false) || (strpos('bot', strtolower(detectUserAgent(true))) !== false));
 }
-- 
2.39.2