From 4c76e4176a5472c5afe504194d7bbef5cfdd1703 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Tue, 10 Sep 2024 10:17:27 +0200
Subject: [PATCH] Work around parse_url() bug

---
 Tests/UriResolverTest.php | 1 +
 UriResolver.php           | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Tests/UriResolverTest.php b/Tests/UriResolverTest.php
index ab98cb5..e0a2a99 100644
--- a/Tests/UriResolverTest.php
+++ b/Tests/UriResolverTest.php
@@ -86,6 +86,7 @@ public static function provideResolverTests()
             ['foo', 'http://localhost#bar', 'http://localhost/foo'],
 
             ['http://', 'http://localhost', 'http://'],
+            ['/foo:123', 'http://localhost', 'http://localhost/foo:123'],
         ];
     }
 }
diff --git a/UriResolver.php b/UriResolver.php
index 5ff2245..4140dc0 100644
--- a/UriResolver.php
+++ b/UriResolver.php
@@ -32,8 +32,12 @@ public static function resolve(string $uri, ?string $baseUri): string
     {
         $uri = trim($uri);
 
+        if (false === ($scheme = parse_url($uri, \PHP_URL_SCHEME)) && '/' === ($uri[0] ?? '')) {
+            $scheme = parse_url($uri.'#', \PHP_URL_SCHEME);
+        }
+
         // absolute URL?
-        if (null !== parse_url($uri, \PHP_URL_SCHEME)) {
+        if (null !== $scheme) {
             return $uri;
         }