app/Config/Autoload.php

 <?php
 
+declare(strict_types=1);
+
 namespace Config;
 
-require_once SYSTEMPATH . 'Config/AutoloadConfig.php';
+use CodeIgniter\Config\AutoloadConfig;
 
 /**
  * -------------------------------------------------------------------
  * AUTO-LOADER
  * -------------------------------------------------------------------
+ *
  * This file defines the namespaces and class maps so the Autoloader
  * can find the files as needed.
+ *
+ * NOTE: If you use an identical key in $psr4 or $classmap, then
+ * the values in this file will overwrite the framework's values.
+ *
+ * @immutable
  */
-class Autoload extends \CodeIgniter\Config\AutoloadConfig
+class Autoload extends AutoloadConfig
 {
+    /**
+     * -------------------------------------------------------------------
+     * Namespaces
+     * -------------------------------------------------------------------
+     * This maps the locations of any namespaces in your application to
+     * their location on the file system. These are used by the autoloader
+     * to locate files the first time they have been instantiated.
+     *
+     * The 'Config' (APPPATH . 'Config') and 'CodeIgniter' (SYSTEMPATH) are
+     * already mapped for you.
+     *
+     * You may change the name of the 'App' namespace if you wish,
+     * but this should be done prior to creating any namespaced classes,
+     * else you will need to modify all of those classes for this to work.
+     *
+     * @var array<string, list<string>|string>
+     */
     public $psr4 = [
-        'App' => APPPATH,
+        APP_NAMESPACE             => APPPATH,
+        'Modules'                 => ROOTPATH . 'modules/',
+        'Modules\Admin'           => ROOTPATH . 'modules/Admin/',
+        'Modules\Analytics'       => ROOTPATH . 'modules/Analytics/',
+        'Modules\Api\Rest\V1'     => ROOTPATH . 'modules/Api/Rest/V1',
+        'Modules\Auth'            => ROOTPATH . 'modules/Auth/',
+        'Modules\Fediverse'       => ROOTPATH . 'modules/Fediverse/',
+        'Modules\Install'         => ROOTPATH . 'modules/Install/',
+        'Modules\Media'           => ROOTPATH . 'modules/Media/',
+        'Modules\MediaClipper'    => ROOTPATH . 'modules/MediaClipper/',
+        'Modules\Platforms'       => ROOTPATH . 'modules/Platforms/',
+        'Modules\Plugins'         => ROOTPATH . 'modules/Plugins/',
+        'Modules\PodcastImport'   => ROOTPATH . 'modules/PodcastImport/',
+        'Modules\PremiumPodcasts' => ROOTPATH . 'modules/PremiumPodcasts/',
+        'Modules\Update'          => ROOTPATH . 'modules/Update/',
+        'Modules\WebSub'          => ROOTPATH . 'modules/WebSub/',
+        'Themes'                  => ROOTPATH . 'themes',
+        'ViewComponents'          => APPPATH . 'Libraries/ViewComponents/',
+        'ViewThemes'              => APPPATH . 'Libraries/ViewThemes/',
     ];
 
+    /**
+     * -------------------------------------------------------------------
+     * -------------------------------------------------------------------
+     * The class map provides a map of class names and their exact
+     * location on the drive. Classes loaded in this manner will have
+     * slightly faster performance because they will not have to be
+     * searched for within one or more directories as they would if they
+     * were being autoloaded through a namespace.
+     *
+     * Prototype:
+     *
+     *   $classmap = [
+     *       'MyClass'   => '/path/to/class/file.php'
+     *   ];
+     *
+     * @var array<string, string>
+     */
     public $classmap = [];
 
-    //--------------------------------------------------------------------
-
     /**
-     * Collects the application-specific autoload settings and merges
-     * them with the framework's required settings.
+     * -------------------------------------------------------------------
+     * Files
+     * -------------------------------------------------------------------
+     * The files array provides a list of paths to __non-class__ files
+     * that will be autoloaded. This can be useful for bootstrap operations
+     * or for loading functions.
+     *
+     * Prototype:
+     *
+     *	  $files = [
+     *	 	   '/path/to/my/file.php',
+     *    ];
      *
-     * NOTE: If you use an identical key in $psr4 or $classmap, then
-     * the values in this file will overwrite the framework's values.
+     * @var list<string>
      */
-    public function __construct()
-    {
-        parent::__construct();
-
-        /**
-         * -------------------------------------------------------------------
-         * Namespaces
-         * -------------------------------------------------------------------
-         * This maps the locations of any namespaces in your application
-         * to their location on the file system. These are used by the
-         * Autoloader to locate files the first time they have been instantiated.
-         *
-         * The '/app' and '/system' directories are already mapped for
-         * you. You may change the name of the 'App' namespace if you wish,
-         * but this should be done prior to creating any namespaced classes,
-         * else you will need to modify all of those classes for this to work.
-         *
-         * DO NOT change the name of the CodeIgniter namespace or your application
-         * WILL break. *
-         * Prototype:
-         *
-         *   $Config['psr4'] = [
-         *       'CodeIgniter' => SYSPATH
-         *   `];
-         */
-        $psr4 = [
-            'App' => APPPATH, // To ensure filters, etc still found,
-            APP_NAMESPACE => APPPATH, // For custom namespace
-            'Config' => APPPATH . 'Config',
-        ];
-
-        /**
-         * -------------------------------------------------------------------
-         * Class Map
-         * -------------------------------------------------------------------
-         * The class map provides a map of class names and their exact
-         * location on the drive. Classes loaded in this manner will have
-         * slightly faster performance because they will not have to be
-         * searched for within one or more directories as they would if they
-         * were being autoloaded through a namespace.
-         *
-         * Prototype:
-         *
-         *   $Config['classmap'] = [
-         *       'MyClass'   => '/path/to/class/file.php'
-         *   ];
-         */
-        $classmap = [];
-
-        //--------------------------------------------------------------------
-        // Do Not Edit Below This Line
-        //--------------------------------------------------------------------
+    public $files = [];
 
-        $this->psr4 = array_merge($this->psr4, $psr4);
-        $this->classmap = array_merge($this->classmap, $classmap);
-
-        unset($psr4, $classmap);
-    }
-
-    //--------------------------------------------------------------------
+    /**
+     * -------------------------------------------------------------------
+     * Helpers
+     * -------------------------------------------------------------------
+     * Prototype:
+     *   $helpers = [
+     *       'form',
+     *   ];
+     *
+     * @var list<string>
+     */
+    public $helpers = ['auth', 'setting', 'plugins'];
 }

app/Config/Boot/development.php

 <?php
-/*
-  |--------------------------------------------------------------------------
-  | ERROR DISPLAY
-  |--------------------------------------------------------------------------
-  | In development, we want to show as many errors as possible to help
-  | make sure they don't make it to production. And save us hours of
-  | painful debugging.
+
+declare(strict_types=1);
+
+/**
+ * --------------------------------------------------------------------------
+ * ERROR DISPLAY
+ * --------------------------------------------------------------------------
+ * In development, we want to show as many errors as possible to help
+ * make sure they don't make it to production. And save us hours of
+ * painful debugging.
+ *
+ * If you set 'display_errors' to '1', CI4's detailed error report will show.
  */
-error_reporting(-1);
+error_reporting(E_ALL);
 ini_set('display_errors', '1');
 
-/*
-  |--------------------------------------------------------------------------
-  | DEBUG BACKTRACES
-  |--------------------------------------------------------------------------
-  | If true, this constant will tell the error screens to display debug
-  | backtraces along with the other error information. If you would
-  | prefer to not see this, set this value to false.
+/**
+ * --------------------------------------------------------------------------
+ * DEBUG BACKTRACES
+ * --------------------------------------------------------------------------
+ * If true, this constant will tell the error screens to display debug
+ * backtraces along with the other error information. If you would
+ * prefer to not see this, set this value to false.
  */
 defined('SHOW_DEBUG_BACKTRACE') || define('SHOW_DEBUG_BACKTRACE', true);
 
-/*
-  |--------------------------------------------------------------------------
-  | DEBUG MODE
-  |--------------------------------------------------------------------------
-  | Debug mode is an experimental flag that can allow changes throughout
-  | the system. This will control whether Kint is loaded, and a few other
-  | items. It can always be used within your own application too.
+/**
+ * --------------------------------------------------------------------------
+ * DEBUG MODE
+ * --------------------------------------------------------------------------
+ * Debug mode is an experimental flag that can allow changes throughout
+ * the system. This will control whether Kint is loaded, and a few other
+ * items. It can always be used within your own application too.
  */
-
-defined('CI_DEBUG') || define('CI_DEBUG', 1);
+defined('CI_DEBUG') || define('CI_DEBUG', true);

app/Config/Boot/production.php

 <?php
 
-/*
-  |--------------------------------------------------------------------------
-  | ERROR DISPLAY
-  |--------------------------------------------------------------------------
-  | Don't show ANY in production environments. Instead, let the system catch
-  | it and display a generic error message.
+declare(strict_types=1);
+
+/**
+ * --------------------------------------------------------------------------
+ * ERROR DISPLAY
+ * --------------------------------------------------------------------------
+ * Don't show ANY in production environments. Instead, let the system catch
+ * it and display a generic error message.
+ *
+ * If you set 'display_errors' to '1', CI4's detailed error report will show.
  */
+error_reporting(E_ALL & ~E_DEPRECATED);
+// If you want to suppress more types of errors.
+// error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT & ~E_USER_NOTICE & ~E_USER_DEPRECATED);
 ini_set('display_errors', '0');
-error_reporting(
-    E_ALL &
-        ~E_NOTICE &
-        ~E_DEPRECATED &
-        ~E_STRICT &
-        ~E_USER_NOTICE &
-        ~E_USER_DEPRECATED
-);
 
-/*
-  |--------------------------------------------------------------------------
-  | DEBUG MODE
-  |--------------------------------------------------------------------------
-  | Debug mode is an experimental flag that can allow changes throughout
-  | the system. It's not widely used currently, and may not survive
-  | release of the framework.
+/**
+ * --------------------------------------------------------------------------
+ * DEBUG MODE
+ * --------------------------------------------------------------------------
+ * Debug mode is an experimental flag that can allow changes throughout
+ * the system. It's not widely used currently, and may not survive
+ * release of the framework.
  */
-
-defined('CI_DEBUG') || define('CI_DEBUG', 0);
+defined('CI_DEBUG') || define('CI_DEBUG', false);

app/Config/Boot/testing.php

 <?php
 
+declare(strict_types=1);
+
 /*
-  |--------------------------------------------------------------------------
-  | ERROR DISPLAY
-  |--------------------------------------------------------------------------
-  | In development, we want to show as many errors as possible to help
-  | make sure they don't make it to production. And save us hours of
-  | painful debugging.
+ * The environment testing is reserved for PHPUnit testing. It has special
+ * conditions built into the framework at various places to assist with that.
+ * You can’t use it for your development.
+ */
+
+/**
+ * --------------------------------------------------------------------------
+ * ERROR DISPLAY
+ * --------------------------------------------------------------------------
+ * In development, we want to show as many errors as possible to help
+ * make sure they don't make it to production. And save us hours of
+ * painful debugging.
  */
-error_reporting(-1);
+error_reporting(E_ALL);
 ini_set('display_errors', '1');
 
-/*
-  |--------------------------------------------------------------------------
-  | DEBUG BACKTRACES
-  |--------------------------------------------------------------------------
-  | If true, this constant will tell the error screens to display debug
-  | backtraces along with the other error information. If you would
-  | prefer to not see this, set this value to false.
+/**
+ * --------------------------------------------------------------------------
+ * DEBUG BACKTRACES
+ * --------------------------------------------------------------------------
+ * If true, this constant will tell the error screens to display debug
+ * backtraces along with the other error information. If you would
+ * prefer to not see this, set this value to false.
  */
 defined('SHOW_DEBUG_BACKTRACE') || define('SHOW_DEBUG_BACKTRACE', true);
 
-/*
-  |--------------------------------------------------------------------------
-  | DEBUG MODE
-  |--------------------------------------------------------------------------
-  | Debug mode is an experimental flag that can allow changes throughout
-  | the system. It's not widely used currently, and may not survive
-  | release of the framework.
+/**
+ * --------------------------------------------------------------------------
+ * DEBUG MODE
+ * --------------------------------------------------------------------------
+ * Debug mode is an experimental flag that can allow changes throughout
+ * the system. It's not widely used currently, and may not survive
+ * release of the framework.
  */
-
-defined('CI_DEBUG') || define('CI_DEBUG', 1);
+defined('CI_DEBUG') || define('CI_DEBUG', true);

app/Config/CURLRequest.php

+<?php
+
+declare(strict_types=1);
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class CURLRequest extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * CURLRequest Share Options
+     * --------------------------------------------------------------------------
+     *
+     * Whether share options between requests or not.
+     *
+     * If true, all the options won't be reset between requests.
+     * It may cause an error request with unnecessary headers.
+     */
+    public bool $shareOptions = false;
+}

app/Config/DocTypes.php

-<?php namespace Config;
+<?php
+
+declare(strict_types=1);
+
+namespace Config;
 
 /**
- * DocTypes
- *
- * @package Config
+ * @immutable
  */
-
 class DocTypes
 {
-    public $list = [
-        'xhtml11' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',
-        'xhtml1-strict' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
-        'xhtml1-trans' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
-        'xhtml1-frame' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
-        'xhtml-basic11' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">',
-        'html5' => '<!DOCTYPE html>',
-        'html4-strict' =>
-            '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
-        'html4-trans' =>
-            '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
-        'html4-frame' =>
-            '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
-        'mathml1' =>
-            '<!DOCTYPE math SYSTEM "http://www.w3.org/Math/DTD/mathml1/mathml.dtd">',
-        'mathml2' =>
-            '<!DOCTYPE math PUBLIC "-//W3C//DTD MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/mathml2.dtd">',
-        'svg10' =>
-            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">',
-        'svg11' =>
-            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">',
-        'svg11-basic' =>
-            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">',
-        'svg11-tiny' =>
-            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Tiny//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-tiny.dtd">',
-        'xhtml-math-svg-xh' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">',
-        'xhtml-math-svg-sh' =>
-            '<!DOCTYPE svg:svg PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">',
-        'xhtml-rdfa-1' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">',
-        'xhtml-rdfa-2' =>
-            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.1//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-2.dtd">',
+    /**
+     * List of valid document types.
+     *
+     * @var array<string, string>
+     */
+    public array $list = [
+        'xhtml11'           => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',
+        'xhtml1-strict'     => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
+        'xhtml1-trans'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
+        'xhtml1-frame'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
+        'xhtml-basic11'     => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">',
+        'html5'             => '<!DOCTYPE html>',
+        'html4-strict'      => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
+        'html4-trans'       => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
+        'html4-frame'       => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
+        'mathml1'           => '<!DOCTYPE math SYSTEM "http://www.w3.org/Math/DTD/mathml1/mathml.dtd">',
+        'mathml2'           => '<!DOCTYPE math PUBLIC "-//W3C//DTD MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/mathml2.dtd">',
+        'svg10'             => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">',
+        'svg11'             => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">',
+        'svg11-basic'       => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">',
+        'svg11-tiny'        => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Tiny//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-tiny.dtd">',
+        'xhtml-math-svg-xh' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">',
+        'xhtml-math-svg-sh' => '<!DOCTYPE svg:svg PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">',
+        'xhtml-rdfa-1'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">',
+        'xhtml-rdfa-2'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.1//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-2.dtd">',
     ];
+
+    /**
+     * Whether to remove the solidus (`/`) character for void HTML elements (e.g. `<input>`)
+     * for HTML5 compatibility.
+     *
+     * Set to:
+     *    `true` - to be HTML5 compatible
+     *    `false` - to be XHTML compatible
+     */
+    public bool $html5 = true;
 }