From f73c9622b8a9a389965809ff0becff4db0e30c09 Mon Sep 17 00:00:00 2001
From: Daniel Rudolf <github.com@daniel-rudolf.de>
Date: Sat, 17 Sep 2016 20:02:29 +0200
Subject: [PATCH] Fix Pico::evaluateRequestUrl(): PHP's built-in webserver
 doesn't always set QUERY_STRING

---
 lib/Pico.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Pico.php b/lib/Pico.php
index 5e5cf83..9de5d5f 100644
--- a/lib/Pico.php
+++ b/lib/Pico.php
@@ -697,7 +697,7 @@ class Pico
     protected function evaluateRequestUrl()
     {
         // use QUERY_STRING; e.g. /pico/?sub/page
-        $pathComponent = $_SERVER['QUERY_STRING'];
+        $pathComponent = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
         if (!empty($pathComponent)) {
             if (($pathComponentLength = strpos($pathComponent, '&')) !== false) {
                 $pathComponent = substr($pathComponent, 0, $pathComponentLength);