From a83ae2fa325bf63bcdfe3ea97e168ec2226eb101 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=B6ller?= <am@localheinz.com>
Date: Tue, 5 Jul 2022 13:50:41 +0200
Subject: [PATCH] Enhancement: Use PSR-4 autoloader (#604)

---
 autoload.php              | 28 ++++++++++++++++++++++++++++
 bin/createNewsEntry       |  2 +-
 bin/createReleaseEntry    |  2 +-
 include/shared-manual.inc |  2 +-
 4 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 autoload.php

diff --git a/autoload.php b/autoload.php
new file mode 100644
index 000000000..5625b6062
--- /dev/null
+++ b/autoload.php
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * @see https://github.com/php-fig/fig-standards/blob/a1a0674a742c9d07c5dd450209fb33b115ee7b40/accepted/PSR-4-autoloader-examples.md#closure-example
+ */
+spl_autoload_register(static function (string $class): void {
+    $prefix = 'phpweb\\';
+    $directory = __DIR__ . '/src/';
+
+    $length = strlen($prefix);
+
+    if (strncmp($prefix, $class, $length) !== 0) {
+        return;
+    }
+
+    $relativeClass = substr(
+        $class,
+        $length
+    );
+
+    $file = $directory . str_replace('\\', '/', $relativeClass) . '.php';
+
+    if (!file_exists($file)) {
+        return;
+    }
+
+    require $file;
+});
diff --git a/bin/createNewsEntry b/bin/createNewsEntry
index 0f6bdc99b..baae69935 100755
--- a/bin/createNewsEntry
+++ b/bin/createNewsEntry
@@ -2,7 +2,7 @@
 <?php
 PHP_SAPI == 'cli' or die("Please run this script using the cli sapi");
 
-require_once __DIR__ . '/../src/News/Entry.php';
+require_once __DIR__ . '/../autoload.php';
 
 use phpweb\News\Entry;
 
diff --git a/bin/createReleaseEntry b/bin/createReleaseEntry
index fbd3f9d2c..cd98b83d0 100755
--- a/bin/createReleaseEntry
+++ b/bin/createReleaseEntry
@@ -2,7 +2,7 @@
 <?php
 PHP_SAPI == 'cli' or die("Please run this script using the cli sapi");
 
-require_once __DIR__ . '/../src/News/Entry.php';
+require_once __DIR__ . '/../autoload.php';
 
 use phpweb\News\Entry;
 
diff --git a/include/shared-manual.inc b/include/shared-manual.inc
index 7d67a2c3e..2b1d935f6 100644
--- a/include/shared-manual.inc
+++ b/include/shared-manual.inc
@@ -23,7 +23,7 @@ $PGI = array(); $SIDEBAR_DATA = '';
 // User note display functions
 // =============================================================================
 
-require_once __DIR__ . '/../src/UserNotes/Sorter.php';
+require_once __DIR__ . '/../autoload.php';
 use phpweb\UserNotes\Sorter;
 
 // Print out all user notes for this manual page