From 84e6ca7a40fdb6854bc56b8020b6e79f57fee6a0 Mon Sep 17 00:00:00 2001
From: Julio <gugli100@gmail.com>
Date: Thu, 23 Nov 2017 14:12:17 +0100
Subject: [PATCH] Fix PHP warnings

---
 main/inc/lib/MoodleImport.php | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/main/inc/lib/MoodleImport.php b/main/inc/lib/MoodleImport.php
index 37d5c86715..74f9abb2ef 100644
--- a/main/inc/lib/MoodleImport.php
+++ b/main/inc/lib/MoodleImport.php
@@ -24,12 +24,14 @@ class MoodleImport
 
         if (is_file($file) && is_readable($file)) {
             $package = new PclZip($file);
-            $packageContent = $package->listContent();
             $mainFileKey = 0;
-            foreach ($packageContent as $index => $value) {
-                if ($value['filename'] == 'moodle_backup.xml') {
-                    $mainFileKey = $index;
-                    break;
+            $packageContent = $package->listContent();
+            if (!empty($packageContent)) {
+                foreach ($packageContent as $index => $value) {
+                    if ($value['filename'] == 'moodle_backup.xml') {
+                        $mainFileKey = $index;
+                        break;
+                    }
                 }
             }