From 76b96ea8bf19e721e72b4a220af6a5daaebdb598 Mon Sep 17 00:00:00 2001
From: Redouane <eurlarvodia@hotmail.com>
Date: Wed, 6 Apr 2022 06:46:20 +0100
Subject: [PATCH] fix deprecated

Deprecated 8.1 Passing null of type string
---
 src/BackgroundProcess.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/BackgroundProcess.php b/src/BackgroundProcess.php
index 599265c..7ae2a43 100755
--- a/src/BackgroundProcess.php
+++ b/src/BackgroundProcess.php
@@ -116,7 +116,7 @@ public function stop()
 
         try {
             $result = shell_exec(sprintf('kill %d 2>&1', $this->pid));
-            if (!preg_match('/No such process/', $result)) {
+            if (!preg_match('/No such process/', $result ?? '')) {
                 return true;
             }
         } catch (Exception $e) {