From 4e38cffafa969df491b983264997bc4e7935afb2 Mon Sep 17 00:00:00 2001
From: nao-pon <hypweb@gmail.com>
Date: Wed, 1 Jan 2020 11:52:09 +0900
Subject: [PATCH] [VD:Box] fix notice error on `_dimensions()`

---
 php/elFinderVolumeBox.class.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/php/elFinderVolumeBox.class.php b/php/elFinderVolumeBox.class.php
index 75b9a9586..eb5add31e 100644
--- a/php/elFinderVolumeBox.class.php
+++ b/php/elFinderVolumeBox.class.php
@@ -1385,7 +1385,8 @@ class elFinderVolumeBox extends elFinderVolumeDriver
                 $cache['height'] = $size[1];
                 $ret = array('dim' => $size[0] . 'x' . $size[1]);
                 $srcfp = fopen($work, 'rb');
-                if ($subImgLink = $this->getSubstituteImgLink(elFinder::$currentArgs['target'], $size, $srcfp)) {
+                $target = isset(elFinder::$currentArgs['target'])? elFinder::$currentArgs['target'] : '';
+                if ($subImgLink = $this->getSubstituteImgLink($target, $size, $srcfp)) {
                     $ret['url'] = $subImgLink;
                 }
             }