From 3de67f9d7d8548c558bdc381cb7799271f65f63b Mon Sep 17 00:00:00 2001
From: Ivan Ganev <iganev@cytec.bg>
Date: Tue, 28 Jan 2020 16:06:23 +0200
Subject: [PATCH] fixed unsafe array access causing php notice in certain
 circumstances

---
 lessc.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lessc.inc.php b/lessc.inc.php
index 37988952..4790adc2 100644
--- a/lessc.inc.php
+++ b/lessc.inc.php
@@ -662,7 +662,7 @@ protected function zipSetArgs($args, $orderedValues, $keywordValues) {
 
         // check for a rest
         $last = end($args);
-        if ($last[0] == "rest") {
+        if (is_array($last) && isset($last[0]) && $last[0] == "rest") {
             $rest = array_slice($orderedValues, count($args) - 1);
             $this->set($last[1], $this->reduce(array("list", " ", $rest)));
         }