From f50d2ef9e3c8acb2ffc034fc571ff94dc444ed2d Mon Sep 17 00:00:00 2001
From: yuri <yurak@list.ru>
Date: Tue, 14 Feb 2017 16:59:38 +0200
Subject: [PATCH] fix notice

---
 application/Espo/Core/Formula/Parser.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/application/Espo/Core/Formula/Parser.php b/application/Espo/Core/Formula/Parser.php
index 24ef74ad6f..e17bdbcf00 100644
--- a/application/Espo/Core/Formula/Parser.php
+++ b/application/Espo/Core/Formula/Parser.php
@@ -229,7 +229,11 @@ class Parser
                             $possibleRightOperator = trim($operator . $expression[$index + 1]);
                         }
                     }
-                    if ($possibleRightOperator && $possibleRightOperator != $operator && $this->operatorMap[$possibleRightOperator]) continue;
+                    if (
+                        $possibleRightOperator &&
+                        $possibleRightOperator != $operator &&
+                        !empty($this->operatorMap[$possibleRightOperator])
+                    ) continue;
 
                     $firstPart = substr($expression, 0, $index);
                     $secondPart = substr($expression, $index + strlen($operator));