From cfc60228cf0d014a653a4643f43ba9d52e3315ba Mon Sep 17 00:00:00 2001
From: luzip665 <luzip665@posteo.de>
Date: Mon, 17 Jan 2022 15:04:27 +0100
Subject: [PATCH] Running xhgui from subdir

---
 src/Twig/TwigExtension.php | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/Twig/TwigExtension.php b/src/Twig/TwigExtension.php
index 2cdac13e..322414ee 100755
--- a/src/Twig/TwigExtension.php
+++ b/src/Twig/TwigExtension.php
@@ -21,9 +21,6 @@ public function __construct(Router $router, Request $request, ?string $pathPrefi
     {
         $this->router = $router;
         $this->request = $request;
-        if (!$pathPrefix) {
-            $pathPrefix = '';
-        }
         $this->pathPrefix = $pathPrefix;
     }
 
@@ -81,7 +78,9 @@ public function url(string $name, $queryargs = []): string
         // this is copy of \Slim\Slim::urlFor()
         // to mix path prefix in \Slim\Slim::urlFor
 
-        return rtrim($this->pathPrefix, '/') . $this->router->urlFor($name) . $query;
+        $prepend = $this->pathPrefix ?: '';
+
+        return rtrim($prepend, '/') . $this->router->urlFor($name) . $query;
     }
 
     /**
@@ -135,7 +134,7 @@ public function formatPercent($value): string
 
     private function pathPrefix(): string
     {
-        if ($this->pathPrefix !== '') {
+        if ($this->pathPrefix !== null) {
             return $this->pathPrefix;
         }