From d8a17ca7c213242d4156931da496e1522f7286fd Mon Sep 17 00:00:00 2001
From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
Date: Sun, 1 Jun 2025 15:45:36 +0200
Subject: [PATCH] Fix test failures in engine_unsafe_empty_string.phpt (#18727)

`/./` matches all characters but newlines, so if `random_bytes`
generates a string with newlines in it, the resulting string is not
empty. Fix this by adding the `s` modifier.
---
 ext/random/tests/03_randomizer/engine_unsafe_empty_string.phpt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/random/tests/03_randomizer/engine_unsafe_empty_string.phpt b/ext/random/tests/03_randomizer/engine_unsafe_empty_string.phpt
index 8333df88d64..fe402b82b57 100644
--- a/ext/random/tests/03_randomizer/engine_unsafe_empty_string.phpt
+++ b/ext/random/tests/03_randomizer/engine_unsafe_empty_string.phpt
@@ -11,7 +11,7 @@ final class EmptyStringEngine implements Engine
     public function generate(): string
     {
         // Create a non-interned empty string.
-        return preg_replace('/./', '', random_bytes(4));
+        return preg_replace('/./s', '', random_bytes(4));
     }
 }