From 8a3a04b5f917ab0ee7d636b92058f9879a7189c3 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Mon, 5 Oct 2015 16:37:10 +0200
Subject: [PATCH] LegacyStorage: allow weird operator combinations

This allows for "a = b & c & d &" (Neteye writes such config) and for
future extensions like "a = ! b"
---
 library/Businessprocess/Storage/LegacyStorage.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Businessprocess/Storage/LegacyStorage.php b/library/Businessprocess/Storage/LegacyStorage.php
index 2fd7d45..c37019d 100644
--- a/library/Businessprocess/Storage/LegacyStorage.php
+++ b/library/Businessprocess/Storage/LegacyStorage.php
@@ -249,7 +249,7 @@ class LegacyStorage extends Storage
             $op_name = $m[1];
             $value   = $m[2];
         }
-        $cmps = preg_split('~\s*\\' . $op . '\s*~', $value);
+        $cmps = preg_split('~\s*\\' . $op . '\s*~', $value, -1, PREG_SPLIT_NO_EMPTY);
 
         foreach ($cmps as & $val) {
             if (strpos($val, ';') !== false) {