From 43e035864bbf1d4e6c76b6ed9086e2517711b2f1 Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Fri, 6 Oct 2023 10:30:08 +0900
Subject: [PATCH 1/3] =?UTF-8?q?fix:=20findQualifiedNameFromPath()=20return?=
 =?UTF-8?q?s=20FQCN=20with=20leading=20=E2=80=9C\"?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

FQCN should not start with “\".
::class returns FQCN without leading "\".
---
 system/Autoloader/FileLocator.php           | 2 +-
 tests/system/Autoloader/FileLocatorTest.php | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/system/Autoloader/FileLocator.php b/system/Autoloader/FileLocator.php
index bc18bd31b980..71be43b5aa8c 100644
--- a/system/Autoloader/FileLocator.php
+++ b/system/Autoloader/FileLocator.php
@@ -273,7 +273,7 @@ public function findQualifiedNameFromPath(string $path)
             }
 
             if (mb_strpos($path, $namespace['path']) === 0) {
-                $className = '\\' . $namespace['prefix'] . '\\' .
+                $className = $namespace['prefix'] . '\\' .
                         ltrim(str_replace(
                             '/',
                             '\\',
diff --git a/tests/system/Autoloader/FileLocatorTest.php b/tests/system/Autoloader/FileLocatorTest.php
index 1cf32cfa5ad1..0d084280f520 100644
--- a/tests/system/Autoloader/FileLocatorTest.php
+++ b/tests/system/Autoloader/FileLocatorTest.php
@@ -278,7 +278,7 @@ public function testListFilesWithoutPath(): void
     public function testFindQNameFromPathSimple(): void
     {
         $ClassName = $this->locator->findQualifiedNameFromPath(SYSTEMPATH . 'HTTP/Header.php');
-        $expected  = '\\' . Header::class;
+        $expected  = Header::class;
 
         $this->assertSame($expected, $ClassName);
     }

From f51c542f7f7d77ab175c5d0d9ed11487cf39c8da Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Fri, 6 Oct 2023 10:33:36 +0900
Subject: [PATCH 2/3] style: break long line

---
 system/Autoloader/FileLocator.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/system/Autoloader/FileLocator.php b/system/Autoloader/FileLocator.php
index 71be43b5aa8c..6f241e847be3 100644
--- a/system/Autoloader/FileLocator.php
+++ b/system/Autoloader/FileLocator.php
@@ -274,11 +274,14 @@ public function findQualifiedNameFromPath(string $path)
 
             if (mb_strpos($path, $namespace['path']) === 0) {
                 $className = $namespace['prefix'] . '\\' .
-                        ltrim(str_replace(
+                    ltrim(
+                        str_replace(
                             '/',
                             '\\',
                             mb_substr($path, mb_strlen($namespace['path']))
-                        ), '\\');
+                        ),
+                        '\\'
+                    );
 
                 // Remove the file extension (.php)
                 $className = mb_substr($className, 0, -4);

From 4e6b1bbfe1335a7aab506ed7e8756d24e5c9a0fa Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Fri, 6 Oct 2023 10:50:23 +0900
Subject: [PATCH 3/3] docs: add changelog and upgrade_450

---
 user_guide_src/source/changelogs/v4.5.0.rst        | 2 ++
 user_guide_src/source/installation/upgrade_450.rst | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/user_guide_src/source/changelogs/v4.5.0.rst b/user_guide_src/source/changelogs/v4.5.0.rst
index 3f509d73431f..320c961bb8e1 100644
--- a/user_guide_src/source/changelogs/v4.5.0.rst
+++ b/user_guide_src/source/changelogs/v4.5.0.rst
@@ -33,6 +33,8 @@ Others
 - **Logger:** The :php:func:`log_message()` function and the logger methods in
   ``CodeIgniter\Log\Logger`` now do not return ``bool`` values. The return types
   have been fixed to ``void`` to follow the PSR-3 interface.
+- **Autoloader:** The prefix ``\`` in the fully qualified classname returned by
+  ``FileLocator::findQualifiedNameFromPath()`` has been removed.
 
 Interface Changes
 =================
diff --git a/user_guide_src/source/installation/upgrade_450.rst b/user_guide_src/source/installation/upgrade_450.rst
index 7a4fbc0b29da..8b91b67ae77e 100644
--- a/user_guide_src/source/installation/upgrade_450.rst
+++ b/user_guide_src/source/installation/upgrade_450.rst
@@ -72,6 +72,14 @@ reversed.
         Previous: route1 → route2 → filter1 → filter2
              Now: route2 → route1 → filter2 → filter1
 
+FileLocator::findQualifiedNameFromPath()
+========================================
+
+In previous versions, ``FileLocator::findQualifiedNameFromPath()`` returns Fully
+Qualified Classnames with a leading ``\``. Now the leading ``\`` has been removed.
+
+If you have code that expects a leading ``\``, fix it.
+
 Removed Deprecated Items
 ========================