From 3bb541c610e742b0cdb9ad7e64933fca0d3367a4 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Thu, 14 Apr 2016 23:20:07 +0100
Subject: [PATCH] GH-879 Bug in file PHPExcel/Reader/CSV.php Code logic
 identifying a defined separator when no separator is explicitly defined
 Case-insensitive check when separator is explicitly defined

---
 src/PhpSpreadsheet/Reader/CSV.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/PhpSpreadsheet/Reader/CSV.php b/src/PhpSpreadsheet/Reader/CSV.php
index ef5a4972..aa044f4f 100644
--- a/src/PhpSpreadsheet/Reader/CSV.php
+++ b/src/PhpSpreadsheet/Reader/CSV.php
@@ -163,10 +163,11 @@ class CSV extends BaseReader implements IReader
             return;
         }
 
-        if ((strlen(trim($line)) == 5) && (strpos($line, 'sep=') !== 0)) {
-            return $this->skipBOM();
+        if ((strlen(trim($line, "\r\n")) == 5) && (stripos($line, 'sep=') === 0)) {
+            $this->delimiter = substr($line, 4, 1);
+            return;
         }
-        $this->delimiter = substr($line, 4, 1);
+        return $this->skipBOM();
     }
 
     /**