Merge branch '5.1' into 5.2

* 5.1:
  remove unreachable code
  Update ExceptionEvent.php
  fix firebase transport factory DI tag type
  [HttpFoundation] Fix for virtualhosts based on URL path

src/Symfony/Bundle/FrameworkBundle/Resources/config/notifier_transports.php

@@ -73,7 +73,7 @@ return static function (ContainerConfigurator $container) {
 
         ->set('notifier.transport_factory.firebase', FirebaseTransportFactory::class)
             ->parent('notifier.transport_factory.abstract')
-            ->tag('texter.transport_factory')
+            ->tag('chatter.transport_factory')
 
         ->set('notifier.transport_factory.freemobile', FreeMobileTransportFactory::class)
             ->parent('notifier.transport_factory.abstract')

src/Symfony/Component/HttpFoundation/Request.php

@@ -1907,9 +1907,15 @@ class Request
         }
 
         $basename = basename($baseUrl);
-        if (empty($basename) || !strpos(rawurldecode($truncatedRequestUri), $basename)) {
-            // no match whatsoever; set it blank
-            return '';
+        if (empty($basename) || !strpos(rawurldecode($truncatedRequestUri).'/', '/'.$basename.'/')) {
+            // strip autoindex filename, for virtualhost based on URL path
+            $baseUrl = \dirname($baseUrl).'/';
+
+            $basename = basename($baseUrl);
+            if (empty($basename) || !strpos(rawurldecode($truncatedRequestUri).'/', '/'.$basename.'/')) {
+                // no match whatsoever; set it blank
+                return '';
+            }
         }
 
         // If using mod_rewrite or ISAPI_Rewrite strip the script filename

src/Symfony/Component/HttpFoundation/Tests/RequestTest.php

@@ -1785,6 +1785,36 @@ class RequestTest extends TestCase
                 '/foo',
                 '/bar+baz',
             ],
+            [
+                '/sub/foo/bar',
+                [
+                    'SCRIPT_FILENAME' => '/home/John Doe/public_html/foo/app.php',
+                    'SCRIPT_NAME' => '/foo/app.php',
+                    'PHP_SELF' => '/foo/app.php',
+                ],
+                '/sub/foo',
+                '/bar',
+            ],
+            [
+                '/sub/foo/app.php/bar',
+                [
+                    'SCRIPT_FILENAME' => '/home/John Doe/public_html/foo/app.php',
+                    'SCRIPT_NAME' => '/foo/app.php',
+                    'PHP_SELF' => '/foo/app.php',
+                ],
+                '/sub/foo/app.php',
+                '/bar',
+            ],
+            [
+                '/sub/foo/bar/baz',
+                [
+                    'SCRIPT_FILENAME' => '/home/John Doe/public_html/foo/app2.phpx',
+                    'SCRIPT_NAME' => '/foo/app2.phpx',
+                    'PHP_SELF' => '/foo/app2.phpx',
+                ],
+                '/sub/foo',
+                '/bar/baz',
+            ],
         ];
     }
 

src/Symfony/Component/Yaml/Parser.php

@@ -1190,27 +1190,6 @@ class Parser
         }
 
         return $value;
-
-        for ($i = 1; isset($yaml[$i]) && $quotation !== $yaml[$i]; ++$i) {
-        }
-
-        // quoted single line string
-        if (isset($yaml[$i]) && $quotation === $yaml[$i]) {
-            return $yaml;
-        }
-
-        $lines = [$yaml];
-
-        while ($this->moveToNextLine()) {
-            for ($i = 1; isset($this->currentLine[$i]) && $quotation !== $this->currentLine[$i]; ++$i) {
-            }
-
-            $lines[] = trim($this->currentLine);
-
-            if (isset($this->currentLine[$i]) && $quotation === $this->currentLine[$i]) {
-                break;
-            }
-        }
     }
 
     private function lexInlineMapping(string $yaml): string