From 33020edeb032b12c523a6b0da4010b5d20fd0deb Mon Sep 17 00:00:00 2001
From: Baudev <baudev.contact@gmail.com>
Date: Tue, 21 May 2019 17:08:04 +0200
Subject: [PATCH] Remove empty value to avoid keep alive exchange after each
 received message

---
 src/Core.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Core.php b/src/Core.php
index 51e7469..031ce40 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -187,7 +187,11 @@ public function stream()
             // we set an infinite loop
             while (($packetData = $this->read($this->getRemote())) !== 1) {
                 // we explode the packet after each footer node
-                $packetArray = preg_split('/(?<=<\/message>)/', $packetData, -1);
+                $packetArray = preg_split('/(?<=<\/message>)/', $packetData, null); // we keep empty value for Keep alive exchange
+                $nbr = count($packetArray);
+                if($nbr > 1 && $packetArray[$nbr - 1] == null){ // remove last empty value to avoid keep alive exchange after each message
+                    unset($packetArray[$nbr - 1]);
+                }
                 foreach ($packetArray as $packet) {
                     // make sure that the XML received is well formatted
                     $validXML = $this->analyzeData($packet);