From 7c7f059b1edeac2bd652c7ea9e669b18e20e08b9 Mon Sep 17 00:00:00 2001
From: Ruud Kamphuis <ruudk@users.noreply.github.com>
Date: Thu, 23 Dec 2021 11:11:26 +0100
Subject: [PATCH] PHP 8.1 > Always pass `string` to `rtrim`

Fixes the following deprecation:
rtrim(): Passing null to parameter #1 ($string) of type string is deprecated in vendor/friends-of-behat/mink-extension/src/Behat/MinkExtension/Context/RawMinkContext.php line 144
---
 src/Behat/MinkExtension/Context/RawMinkContext.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Behat/MinkExtension/Context/RawMinkContext.php b/src/Behat/MinkExtension/Context/RawMinkContext.php
index 8e0a927..3b81f7a 100644
--- a/src/Behat/MinkExtension/Context/RawMinkContext.php
+++ b/src/Behat/MinkExtension/Context/RawMinkContext.php
@@ -141,7 +141,7 @@ class RawMinkContext implements MinkAwareContext
      */
     public function locatePath($path)
     {
-        $startUrl = rtrim($this->getMinkParameter('base_url'), '/') . '/';
+        $startUrl = rtrim($this->getMinkParameter('base_url') ?? '', '/') . '/';
 
         return 0 !== strpos($path, 'http') ? $startUrl . ltrim($path, '/') : $path;
     }