From d1cc961889339626531de07659e136fc13cadc23 Mon Sep 17 00:00:00 2001
From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
Date: Thu, 16 Oct 2025 23:47:47 +0200
Subject: [PATCH] phar: Drop buggy redundant Windows-only check

If the path contains '\' the path is duplicated and unixified.
In practice this is always true. And if it were not, we'd get a heap
corruption as the cleanup code assumes it is.
---
 ext/phar/phar_object.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c
index 6238e51c7d5cb..adec611266976 100644
--- a/ext/phar/phar_object.c
+++ b/ext/phar/phar_object.c
@@ -609,10 +609,8 @@ PHP_METHOD(Phar, webPhar)
 	fname_len = ZSTR_LEN(zend_file_name);
 
 #ifdef PHP_WIN32
-	if (memchr(fname, '\\', fname_len)) {
-		fname = estrndup(fname, fname_len);
-		phar_unixify_path_separators(fname, fname_len);
-	}
+	fname = estrndup(fname, fname_len);
+	phar_unixify_path_separators(fname, fname_len);
 #endif
 	basename = zend_memrchr(fname, '/', fname_len);