Work around parse_url() bug

Author: nicolas-grekas

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'],
         ];
     }
 }

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;
         }