From 1dac0eb700c192d6b8247d5d246c29cfc15e35b7 Mon Sep 17 00:00:00 2001
From: A Sigalas <asig@sigalas.eu>
Date: Tue, 28 Feb 2017 12:46:12 +0000
Subject: [PATCH] Get sample without fetching the whole file, fix netbeans
 potential error

---
 importexport/inc/class.importexport_import_ui.inc.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/importexport/inc/class.importexport_import_ui.inc.php b/importexport/inc/class.importexport_import_ui.inc.php
index 4a36fbf42c..f4462bfce0 100644
--- a/importexport/inc/class.importexport_import_ui.inc.php
+++ b/importexport/inc/class.importexport_import_ui.inc.php
@@ -74,8 +74,7 @@ use EGroupware\Api\Etemplate;
 					$plugin = new $definition_obj->plugin;
 
 					// Check file encoding matches import
-					$sample = file_get_contents($content['file']['tmp_name']);
-					$sample = mb_substr( $sample, 1024 );
+					$sample = mb_substr(file_get_contents($content['file']['tmp_name'], false, null, 0, 2048), 1024);
 
 					if($appname == 'addressbook' && $definition_obj->plugin == 'addressbook_import_vcard')
 					{