From ee068ab13e770583c8da468c4755e9a0327942ce Mon Sep 17 00:00:00 2001
From: Oskar Stark <oskarstark@googlemail.com>
Date: Tue, 9 Sep 2025 09:33:33 +0200
Subject: [PATCH] Fix env() function to check for empty string values
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The env() function now checks both isset() and empty string to properly
handle environment variables defined in .env but with empty values.

🤖 Generated with [Claude Code](https://claude.ai/code)
---
 examples/bootstrap.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/bootstrap.php b/examples/bootstrap.php
index 5a81d8f17..fca3a003a 100644
--- a/examples/bootstrap.php
+++ b/examples/bootstrap.php
@@ -25,7 +25,7 @@
 
 function env(string $var)
 {
-    if (!isset($_SERVER[$var])) {
+    if (!isset($_SERVER[$var]) || '' === $_SERVER[$var]) {
         printf('Please set the "%s" environment variable to run this example.', $var);
         exit(1);
     }