Initial

system/Config/AutoloadConfig.php

@@ -0,0 +1,135 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * AUTOLOADER CONFIGURATION
+ *
+ * This file defines the namespaces and class maps so the Autoloader
+ * can find the files as needed.
+ */
+class 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 '/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.
+     *
+     * @var array<string, string>
+     */
+    public $psr4 = [];
+
+    /**
+     * -------------------------------------------------------------------
+     * 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.
+     *
+     * @var array<string, string>
+     */
+    public $classmap = [];
+
+    /**
+     * -------------------------------------------------------------------
+     * 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.
+     *
+     * @var array<int, string>
+     */
+    public $files = [];
+
+    /**
+     * -------------------------------------------------------------------
+     * 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.
+     *
+     * Do not change the name of the CodeIgniter namespace or your application
+     * will break.
+     *
+     * @var array<string, string>
+     */
+    protected $corePsr4 = [
+        'CodeIgniter' => SYSTEMPATH,
+        'App'         => APPPATH, // To ensure filters, etc still found,
+    ];
+
+    /**
+     * -------------------------------------------------------------------
+     * 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.
+     *
+     * @var array<string, string>
+     */
+    protected $coreClassmap = [
+        'Psr\Log\AbstractLogger'           => SYSTEMPATH . 'ThirdParty/PSR/Log/AbstractLogger.php',
+        'Psr\Log\InvalidArgumentException' => SYSTEMPATH . 'ThirdParty/PSR/Log/InvalidArgumentException.php',
+        'Psr\Log\LoggerAwareInterface'     => SYSTEMPATH . 'ThirdParty/PSR/Log/LoggerAwareInterface.php',
+        'Psr\Log\LoggerAwareTrait'         => SYSTEMPATH . 'ThirdParty/PSR/Log/LoggerAwareTrait.php',
+        'Psr\Log\LoggerInterface'          => SYSTEMPATH . 'ThirdParty/PSR/Log/LoggerInterface.php',
+        'Psr\Log\LoggerTrait'              => SYSTEMPATH . 'ThirdParty/PSR/Log/LoggerTrait.php',
+        'Psr\Log\LogLevel'                 => SYSTEMPATH . 'ThirdParty/PSR/Log/LogLevel.php',
+        'Psr\Log\NullLogger'               => SYSTEMPATH . 'ThirdParty/PSR/Log/NullLogger.php',
+        'Laminas\Escaper\Escaper'          => SYSTEMPATH . 'ThirdParty/Escaper/Escaper.php',
+    ];
+
+    /**
+     * -------------------------------------------------------------------
+     * Core Files
+     * -------------------------------------------------------------------
+     * List of files from the framework to be autoloaded early.
+     *
+     * @var array<int, string>
+     */
+    protected $coreFiles = [];
+
+    /**
+     * Constructor.
+     *
+     * Merge the built-in and developer-configured psr4 and classmap,
+     * with preference to the developer ones.
+     */
+    public function __construct()
+    {
+        if (isset($_SERVER['CI_ENVIRONMENT']) && $_SERVER['CI_ENVIRONMENT'] === 'testing') {
+            $this->psr4['Tests\Support']                  = SUPPORTPATH;
+            $this->classmap['CodeIgniter\Log\TestLogger'] = SYSTEMPATH . 'Test/TestLogger.php';
+            $this->classmap['CIDatabaseTestCase']         = SYSTEMPATH . 'Test/CIDatabaseTestCase.php';
+        }
+
+        $this->psr4     = array_merge($this->corePsr4, $this->psr4);
+        $this->classmap = array_merge($this->coreClassmap, $this->classmap);
+        $this->files    = array_merge($this->coreFiles, $this->files);
+    }
+}

system/Config/BaseConfig.php

@@ -0,0 +1,204 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+use Config\Encryption;
+use Config\Modules;
+use Config\Services;
+use ReflectionClass;
+use ReflectionException;
+use RuntimeException;
+
+/**
+ * Class BaseConfig
+ *
+ * Not intended to be used on its own, this class will attempt to
+ * automatically populate the child class' properties with values
+ * from the environment.
+ *
+ * These can be set within the .env file.
+ */
+class BaseConfig
+{
+    /**
+     * An optional array of classes that will act as Registrars
+     * for rapidly setting config class properties.
+     *
+     * @var array
+     */
+    public static $registrars = [];
+
+    /**
+     * Has module discovery happened yet?
+     *
+     * @var bool
+     */
+    protected static $didDiscovery = false;
+
+    /**
+     * The modules configuration.
+     *
+     * @var Modules
+     */
+    protected static $moduleConfig;
+
+    /**
+     * Will attempt to get environment variables with names
+     * that match the properties of the child class.
+     *
+     * The "shortPrefix" is the lowercase-only config class name.
+     */
+    public function __construct()
+    {
+        static::$moduleConfig = config('Modules');
+
+        $this->registerProperties();
+
+        $properties  = array_keys(get_object_vars($this));
+        $prefix      = static::class;
+        $slashAt     = strrpos($prefix, '\\');
+        $shortPrefix = strtolower(substr($prefix, $slashAt === false ? 0 : $slashAt + 1));
+
+        foreach ($properties as $property) {
+            $this->initEnvValue($this->{$property}, $property, $prefix, $shortPrefix);
+
+            if ($this instanceof Encryption && $property === 'key') {
+                if (strpos($this->{$property}, 'hex2bin:') === 0) {
+                    // Handle hex2bin prefix
+                    $this->{$property} = hex2bin(substr($this->{$property}, 8));
+                } elseif (strpos($this->{$property}, 'base64:') === 0) {
+                    // Handle base64 prefix
+                    $this->{$property} = base64_decode(substr($this->{$property}, 7), true);
+                }
+            }
+        }
+    }
+
+    /**
+     * Initialization an environment-specific configuration setting
+     *
+     * @param mixed $property
+     *
+     * @return mixed
+     */
+    protected function initEnvValue(&$property, string $name, string $prefix, string $shortPrefix)
+    {
+        if (is_array($property)) {
+            foreach (array_keys($property) as $key) {
+                $this->initEnvValue($property[$key], "{$name}.{$key}", $prefix, $shortPrefix);
+            }
+        } elseif (($value = $this->getEnvValue($name, $prefix, $shortPrefix)) !== false && $value !== null) {
+            if ($value === 'false') {
+                $value = false;
+            } elseif ($value === 'true') {
+                $value = true;
+            }
+            $property = is_bool($value) ? $value : trim($value, '\'"');
+        }
+
+        return $property;
+    }
+
+    /**
+     * Retrieve an environment-specific configuration setting
+     *
+     * @return mixed
+     */
+    protected function getEnvValue(string $property, string $prefix, string $shortPrefix)
+    {
+        $shortPrefix        = ltrim($shortPrefix, '\\');
+        $underscoreProperty = str_replace('.', '_', $property);
+
+        switch (true) {
+            case array_key_exists("{$shortPrefix}.{$property}", $_ENV):
+                return $_ENV["{$shortPrefix}.{$property}"];
+
+            case array_key_exists("{$shortPrefix}_{$underscoreProperty}", $_ENV):
+                return $_ENV["{$shortPrefix}_{$underscoreProperty}"];
+
+            case array_key_exists("{$shortPrefix}.{$property}", $_SERVER):
+                return $_SERVER["{$shortPrefix}.{$property}"];
+
+            case array_key_exists("{$shortPrefix}_{$underscoreProperty}", $_SERVER):
+                return $_SERVER["{$shortPrefix}_{$underscoreProperty}"];
+
+            case array_key_exists("{$prefix}.{$property}", $_ENV):
+                return $_ENV["{$prefix}.{$property}"];
+
+            case array_key_exists("{$prefix}_{$underscoreProperty}", $_ENV):
+                return $_ENV["{$prefix}_{$underscoreProperty}"];
+
+            case array_key_exists("{$prefix}.{$property}", $_SERVER):
+                return $_SERVER["{$prefix}.{$property}"];
+
+            case array_key_exists("{$prefix}_{$underscoreProperty}", $_SERVER):
+                return $_SERVER["{$prefix}_{$underscoreProperty}"];
+
+            default:
+                $value = getenv("{$shortPrefix}.{$property}");
+                $value = $value === false ? getenv("{$shortPrefix}_{$underscoreProperty}") : $value;
+                $value = $value === false ? getenv("{$prefix}.{$property}") : $value;
+                $value = $value === false ? getenv("{$prefix}_{$underscoreProperty}") : $value;
+
+                return $value === false ? null : $value;
+        }
+    }
+
+    /**
+     * Provides external libraries a simple way to register one or more
+     * options into a config file.
+     *
+     * @throws ReflectionException
+     */
+    protected function registerProperties()
+    {
+        if (! static::$moduleConfig->shouldDiscover('registrars')) {
+            return;
+        }
+
+        if (! static::$didDiscovery) {
+            $locator         = Services::locator();
+            $registrarsFiles = $locator->search('Config/Registrar.php');
+
+            foreach ($registrarsFiles as $file) {
+                $className            = $locator->getClassname($file);
+                static::$registrars[] = new $className();
+            }
+
+            static::$didDiscovery = true;
+        }
+
+        $shortName = (new ReflectionClass($this))->getShortName();
+
+        // Check the registrar class for a method named after this class' shortName
+        foreach (static::$registrars as $callable) {
+            // ignore non-applicable registrars
+            if (! method_exists($callable, $shortName)) {
+                continue; // @codeCoverageIgnore
+            }
+
+            $properties = $callable::$shortName();
+
+            if (! is_array($properties)) {
+                throw new RuntimeException('Registrars must return an array of properties and their values.');
+            }
+
+            foreach ($properties as $property => $value) {
+                if (isset($this->{$property}) && is_array($this->{$property}) && is_array($value)) {
+                    $this->{$property} = array_merge($this->{$property}, $value);
+                } else {
+                    $this->{$property} = $value;
+                }
+            }
+        }
+    }
+}

system/Config/BaseService.php

@@ -0,0 +1,378 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+use CodeIgniter\Autoloader\Autoloader;
+use CodeIgniter\Autoloader\FileLocator;
+use CodeIgniter\Cache\CacheInterface;
+use CodeIgniter\CLI\Commands;
+use CodeIgniter\CodeIgniter;
+use CodeIgniter\Database\ConnectionInterface;
+use CodeIgniter\Database\MigrationRunner;
+use CodeIgniter\Debug\Exceptions;
+use CodeIgniter\Debug\Iterator;
+use CodeIgniter\Debug\Timer;
+use CodeIgniter\Debug\Toolbar;
+use CodeIgniter\Email\Email;
+use CodeIgniter\Encryption\EncrypterInterface;
+use CodeIgniter\Filters\Filters;
+use CodeIgniter\Format\Format;
+use CodeIgniter\Honeypot\Honeypot;
+use CodeIgniter\HTTP\CLIRequest;
+use CodeIgniter\HTTP\CURLRequest;
+use CodeIgniter\HTTP\IncomingRequest;
+use CodeIgniter\HTTP\Negotiate;
+use CodeIgniter\HTTP\RedirectResponse;
+use CodeIgniter\HTTP\Request;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\Response;
+use CodeIgniter\HTTP\ResponseInterface;
+use CodeIgniter\HTTP\URI;
+use CodeIgniter\Images\Handlers\BaseHandler;
+use CodeIgniter\Language\Language;
+use CodeIgniter\Log\Logger;
+use CodeIgniter\Pager\Pager;
+use CodeIgniter\Router\RouteCollection;
+use CodeIgniter\Router\RouteCollectionInterface;
+use CodeIgniter\Router\Router;
+use CodeIgniter\Security\Security;
+use CodeIgniter\Session\Session;
+use CodeIgniter\Throttle\Throttler;
+use CodeIgniter\Typography\Typography;
+use CodeIgniter\Validation\Validation;
+use CodeIgniter\View\Cell;
+use CodeIgniter\View\Parser;
+use CodeIgniter\View\RendererInterface;
+use CodeIgniter\View\View;
+use Config\App;
+use Config\Autoload;
+use Config\Cache;
+use Config\Encryption;
+use Config\Exceptions as ConfigExceptions;
+use Config\Filters as ConfigFilters;
+use Config\Format as ConfigFormat;
+use Config\Honeypot as ConfigHoneyPot;
+use Config\Images;
+use Config\Migrations;
+use Config\Modules;
+use Config\Pager as ConfigPager;
+use Config\Services as AppServices;
+use Config\Toolbar as ConfigToolbar;
+use Config\Validation as ConfigValidation;
+use Config\View as ConfigView;
+
+/**
+ * Services Configuration file.
+ *
+ * Services are simply other classes/libraries that the system uses
+ * to do its job. This is used by CodeIgniter to allow the core of the
+ * framework to be swapped out easily without affecting the usage within
+ * the rest of your application.
+ *
+ * This is used in place of a Dependency Injection container primarily
+ * due to its simplicity, which allows a better long-term maintenance
+ * of the applications built on top of CodeIgniter. A bonus side-effect
+ * is that IDEs are able to determine what class you are calling
+ * whereas with DI Containers there usually isn't a way for them to do this.
+ *
+ * Warning: To allow overrides by service providers do not use static calls,
+ * instead call out to \Config\Services (imported as AppServices).
+ *
+ * @see http://blog.ircmaxell.com/2015/11/simple-easy-risk-and-change.html
+ * @see http://www.infoq.com/presentations/Simple-Made-Easy
+ *
+ * @method static CacheInterface cache(Cache $config = null, $getShared = true)
+ * @method static CLIRequest clirequest(App $config = null, $getShared = true)
+ * @method static CodeIgniter codeigniter(App $config = null, $getShared = true)
+ * @method static Commands commands($getShared = true)
+ * @method static CURLRequest curlrequest($options = [], ResponseInterface $response = null, App $config = null, $getShared = true)
+ * @method static Email email($config = null, $getShared = true)
+ * @method static EncrypterInterface encrypter(Encryption $config = null, $getShared = false)
+ * @method static Exceptions exceptions(ConfigExceptions $config = null, IncomingRequest $request = null, Response $response = null, $getShared = true)
+ * @method static Filters filters(ConfigFilters $config = null, $getShared = true)
+ * @method static Format format(ConfigFormat $config = null, $getShared = true)
+ * @method static Honeypot honeypot(ConfigHoneyPot $config = null, $getShared = true)
+ * @method static BaseHandler image($handler = null, Images $config = null, $getShared = true)
+ * @method static Iterator iterator($getShared = true)
+ * @method static Language language($locale = null, $getShared = true)
+ * @method static Logger logger($getShared = true)
+ * @method static MigrationRunner migrations(Migrations $config = null, ConnectionInterface $db = null, $getShared = true)
+ * @method static Negotiate negotiator(RequestInterface $request = null, $getShared = true)
+ * @method static Pager pager(ConfigPager $config = null, RendererInterface $view = null, $getShared = true)
+ * @method static Parser parser($viewPath = null, ConfigView $config = null, $getShared = true)
+ * @method static RedirectResponse redirectresponse(App $config = null, $getShared = true)
+ * @method static View renderer($viewPath = null, ConfigView $config = null, $getShared = true)
+ * @method static IncomingRequest request(App $config = null, $getShared = true)
+ * @method static Response response(App $config = null, $getShared = true)
+ * @method static Router router(RouteCollectionInterface $routes = null, Request $request = null, $getShared = true)
+ * @method static RouteCollection routes($getShared = true)
+ * @method static Security security(App $config = null, $getShared = true)
+ * @method static Session session(App $config = null, $getShared = true)
+ * @method static Throttler throttler($getShared = true)
+ * @method static Timer timer($getShared = true)
+ * @method static Toolbar toolbar(ConfigToolbar $config = null, $getShared = true)
+ * @method static Typography typography($getShared = true)
+ * @method static URI uri($uri = null, $getShared = true)
+ * @method static Validation validation(ConfigValidation $config = null, $getShared = true)
+ * @method static Cell viewcell($getShared = true)
+ */
+class BaseService
+{
+    /**
+     * Cache for instance of any services that
+     * have been requested as a "shared" instance.
+     * Keys should be lowercase service names.
+     *
+     * @var array
+     */
+    protected static $instances = [];
+
+    /**
+     * Mock objects for testing which are returned if exist.
+     *
+     * @var array
+     */
+    protected static $mocks = [];
+
+    /**
+     * Have we already discovered other Services?
+     *
+     * @var bool
+     */
+    protected static $discovered = false;
+
+    /**
+     * A cache of other service classes we've found.
+     *
+     * @var array
+     */
+    protected static $services = [];
+
+    /**
+     * A cache of the names of services classes found.
+     *
+     * @var array<string>
+     */
+    private static $serviceNames = [];
+
+    /**
+     * Returns a shared instance of any of the class' services.
+     *
+     * $key must be a name matching a service.
+     *
+     * @param mixed ...$params
+     *
+     * @return mixed
+     */
+    protected static function getSharedInstance(string $key, ...$params)
+    {
+        $key = strtolower($key);
+
+        // Returns mock if exists
+        if (isset(static::$mocks[$key])) {
+            return static::$mocks[$key];
+        }
+
+        if (! isset(static::$instances[$key])) {
+            // Make sure $getShared is false
+            $params[] = false;
+
+            static::$instances[$key] = AppServices::$key(...$params);
+        }
+
+        return static::$instances[$key];
+    }
+
+    /**
+     * The Autoloader class is the central class that handles our
+     * spl_autoload_register method, and helper methods.
+     *
+     * @return Autoloader
+     */
+    public static function autoloader(bool $getShared = true)
+    {
+        if ($getShared) {
+            if (empty(static::$instances['autoloader'])) {
+                static::$instances['autoloader'] = new Autoloader();
+            }
+
+            return static::$instances['autoloader'];
+        }
+
+        return new Autoloader();
+    }
+
+    /**
+     * The file locator provides utility methods for looking for non-classes
+     * within namespaced folders, as well as convenience methods for
+     * loading 'helpers', and 'libraries'.
+     *
+     * @return FileLocator
+     */
+    public static function locator(bool $getShared = true)
+    {
+        if ($getShared) {
+            if (empty(static::$instances['locator'])) {
+                static::$instances['locator'] = new FileLocator(static::autoloader());
+            }
+
+            return static::$mocks['locator'] ?? static::$instances['locator'];
+        }
+
+        return new FileLocator(static::autoloader());
+    }
+
+    /**
+     * Provides the ability to perform case-insensitive calling of service
+     * names.
+     *
+     * @return mixed
+     */
+    public static function __callStatic(string $name, array $arguments)
+    {
+        $service = static::serviceExists($name);
+
+        if ($service === null) {
+            return null;
+        }
+
+        return $service::$name(...$arguments);
+    }
+
+    /**
+     * Check if the requested service is defined and return the declaring
+     * class. Return null if not found.
+     */
+    public static function serviceExists(string $name): ?string
+    {
+        static::buildServicesCache();
+        $services = array_merge(self::$serviceNames, [Services::class]);
+        $name     = strtolower($name);
+
+        foreach ($services as $service) {
+            if (method_exists($service, $name)) {
+                return $service;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Reset shared instances and mocks for testing.
+     */
+    public static function reset(bool $initAutoloader = false)
+    {
+        static::$mocks     = [];
+        static::$instances = [];
+
+        if ($initAutoloader) {
+            static::autoloader()->initialize(new Autoload(), new Modules());
+        }
+    }
+
+    /**
+     * Resets any mock and shared instances for a single service.
+     */
+    public static function resetSingle(string $name)
+    {
+        unset(static::$mocks[$name], static::$instances[$name]);
+    }
+
+    /**
+     * Inject mock object for testing.
+     *
+     * @param mixed $mock
+     */
+    public static function injectMock(string $name, $mock)
+    {
+        static::$mocks[strtolower($name)] = $mock;
+    }
+
+    /**
+     * Will scan all psr4 namespaces registered with system to look
+     * for new Config\Services files. Caches a copy of each one, then
+     * looks for the service method in each, returning an instance of
+     * the service, if available.
+     *
+     * @return mixed
+     *
+     * @deprecated
+     *
+     * @codeCoverageIgnore
+     */
+    protected static function discoverServices(string $name, array $arguments)
+    {
+        if (! static::$discovered) {
+            $config = config('Modules');
+
+            if ($config->shouldDiscover('services')) {
+                $locator = static::locator();
+                $files   = $locator->search('Config/Services');
+
+                if (empty($files)) {
+                    // no files at all found - this would be really, really bad
+                    return null;
+                }
+
+                // Get instances of all service classes and cache them locally.
+                foreach ($files as $file) {
+                    $classname = $locator->getClassname($file);
+
+                    if (! in_array($classname, ['CodeIgniter\\Config\\Services'], true)) {
+                        static::$services[] = new $classname();
+                    }
+                }
+            }
+
+            static::$discovered = true;
+        }
+
+        if (! static::$services) {
+            // we found stuff, but no services - this would be really bad
+            return null;
+        }
+
+        // Try to find the desired service method
+        foreach (static::$services as $class) {
+            if (method_exists($class, $name)) {
+                return $class::$name(...$arguments);
+            }
+        }
+
+        return null;
+    }
+
+    protected static function buildServicesCache(): void
+    {
+        if (! static::$discovered) {
+            $config = config('Modules');
+
+            if ($config->shouldDiscover('services')) {
+                $locator = static::locator();
+                $files   = $locator->search('Config/Services');
+
+                // Get instances of all service classes and cache them locally.
+                foreach ($files as $file) {
+                    $classname = $locator->getClassname($file);
+
+                    if ($classname !== 'CodeIgniter\\Config\\Services') {
+                        self::$serviceNames[] = $classname;
+                        static::$services[]   = new $classname();
+                    }
+                }
+            }
+
+            static::$discovered = true;
+        }
+    }
+}

system/Config/Config.php

@@ -0,0 +1,50 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * @deprecated Use CodeIgniter\Config\Factories::config()
+ */
+class Config
+{
+    /**
+     * Create new configuration instances or return
+     * a shared instance
+     *
+     * @param string $name      Configuration name
+     * @param bool   $getShared Use shared instance
+     *
+     * @return mixed|null
+     */
+    public static function get(string $name, bool $getShared = true)
+    {
+        return Factories::config($name, ['getShared' => $getShared]);
+    }
+
+    /**
+     * Helper method for injecting mock instances while testing.
+     *
+     * @param object $instance
+     */
+    public static function injectMock(string $name, $instance)
+    {
+        Factories::injectMock('config', $name, $instance);
+    }
+
+    /**
+     * Resets the static arrays
+     */
+    public static function reset()
+    {
+        Factories::reset('config');
+    }
+}

system/Config/DotEnv.php

@@ -0,0 +1,233 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+use InvalidArgumentException;
+
+/**
+ * Environment-specific configuration
+ */
+class DotEnv
+{
+    /**
+     * The directory where the .env file can be located.
+     *
+     * @var string
+     */
+    protected $path;
+
+    /**
+     * Builds the path to our file.
+     */
+    public function __construct(string $path, string $file = '.env')
+    {
+        $this->path = rtrim($path, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $file;
+    }
+
+    /**
+     * The main entry point, will load the .env file and process it
+     * so that we end up with all settings in the PHP environment vars
+     * (i.e. getenv(), $_ENV, and $_SERVER)
+     */
+    public function load(): bool
+    {
+        $vars = $this->parse();
+
+        return $vars !== null;
+    }
+
+    /**
+     * Parse the .env file into an array of key => value
+     */
+    public function parse(): ?array
+    {
+        // We don't want to enforce the presence of a .env file, they should be optional.
+        if (! is_file($this->path)) {
+            return null;
+        }
+
+        // Ensure the file is readable
+        if (! is_readable($this->path)) {
+            throw new InvalidArgumentException("The .env file is not readable: {$this->path}");
+        }
+
+        $vars = [];
+
+        $lines = file($this->path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+
+        foreach ($lines as $line) {
+            // Is it a comment?
+            if (strpos(trim($line), '#') === 0) {
+                continue;
+            }
+
+            // If there is an equal sign, then we know we are assigning a variable.
+            if (strpos($line, '=') !== false) {
+                [$name, $value] = $this->normaliseVariable($line);
+                $vars[$name]    = $value;
+                $this->setVariable($name, $value);
+            }
+        }
+
+        return $vars;
+    }
+
+    /**
+     * Sets the variable into the environment. Will parse the string
+     * first to look for {name}={value} pattern, ensure that nested
+     * variables are handled, and strip it of single and double quotes.
+     */
+    protected function setVariable(string $name, string $value = '')
+    {
+        if (! getenv($name, true)) {
+            putenv("{$name}={$value}");
+        }
+
+        if (empty($_ENV[$name])) {
+            $_ENV[$name] = $value;
+        }
+
+        if (empty($_SERVER[$name])) {
+            $_SERVER[$name] = $value;
+        }
+    }
+
+    /**
+     * Parses for assignment, cleans the $name and $value, and ensures
+     * that nested variables are handled.
+     */
+    public function normaliseVariable(string $name, string $value = ''): array
+    {
+        // Split our compound string into its parts.
+        if (strpos($name, '=') !== false) {
+            [$name, $value] = explode('=', $name, 2);
+        }
+
+        $name  = trim($name);
+        $value = trim($value);
+
+        // Sanitize the name
+        $name = str_replace(['export', '\'', '"'], '', $name);
+
+        // Sanitize the value
+        $value = $this->sanitizeValue($value);
+        $value = $this->resolveNestedVariables($value);
+
+        return [$name, $value];
+    }
+
+    /**
+     * Strips quotes from the environment variable value.
+     *
+     * This was borrowed from the excellent phpdotenv with very few changes.
+     * https://github.com/vlucas/phpdotenv
+     *
+     * @throws InvalidArgumentException
+     */
+    protected function sanitizeValue(string $value): string
+    {
+        if (! $value) {
+            return $value;
+        }
+
+        // Does it begin with a quote?
+        if (strpbrk($value[0], '"\'') !== false) {
+            // value starts with a quote
+            $quote = $value[0];
+
+            $regexPattern = sprintf(
+                '/^
+                %1$s          # match a quote at the start of the value
+                (             # capturing sub-pattern used
+                 (?:          # we do not need to capture this
+                 [^%1$s\\\\] # any character other than a quote or backslash
+                 |\\\\\\\\   # or two backslashes together
+                 |\\\\%1$s   # or an escaped quote e.g \"
+                 )*           # as many characters that match the previous rules
+                )             # end of the capturing sub-pattern
+                %1$s          # and the closing quote
+                .*$           # and discard any string after the closing quote
+                /mx',
+                $quote
+            );
+
+            $value = preg_replace($regexPattern, '$1', $value);
+            $value = str_replace("\\{$quote}", $quote, $value);
+            $value = str_replace('\\\\', '\\', $value);
+        } else {
+            $parts = explode(' #', $value, 2);
+            $value = trim($parts[0]);
+
+            // Unquoted values cannot contain whitespace
+            if (preg_match('/\s+/', $value) > 0) {
+                throw new InvalidArgumentException('.env values containing spaces must be surrounded by quotes.');
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     *  Resolve the nested variables.
+     *
+     * Look for ${varname} patterns in the variable value and replace with an existing
+     * environment variable.
+     *
+     * This was borrowed from the excellent phpdotenv with very few changes.
+     * https://github.com/vlucas/phpdotenv
+     */
+    protected function resolveNestedVariables(string $value): string
+    {
+        if (strpos($value, '$') !== false) {
+            $value = preg_replace_callback(
+                '/\${([a-zA-Z0-9_\.]+)}/',
+                function ($matchedPatterns) {
+                    $nestedVariable = $this->getVariable($matchedPatterns[1]);
+
+                    if ($nestedVariable === null) {
+                        return $matchedPatterns[0];
+                    }
+
+                    return $nestedVariable;
+                },
+                $value
+            );
+        }
+
+        return $value;
+    }
+
+    /**
+     * Search the different places for environment variables and return first value found.
+     *
+     * This was borrowed from the excellent phpdotenv with very few changes.
+     * https://github.com/vlucas/phpdotenv
+     *
+     * @return string|null
+     */
+    protected function getVariable(string $name)
+    {
+        switch (true) {
+            case array_key_exists($name, $_ENV):
+                return $_ENV[$name];
+
+            case array_key_exists($name, $_SERVER):
+                return $_SERVER[$name];
+
+            default:
+                $value = getenv($name);
+
+                // switch getenv default to null
+                return $value === false ? null : $value;
+        }
+    }
+}

system/Config/Factories.php

@@ -0,0 +1,316 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+use CodeIgniter\Model;
+use Config\Services;
+
+/**
+ * Factories for creating instances.
+ *
+ * Factories allow dynamic loading of components by their path
+ * and name. The "shared instance" implementation provides a
+ * large performance boost and helps keep code clean of lengthy
+ * instantiation checks.
+ *
+ * @method static BaseConfig config(...$arguments)
+ * @method static Model models(...$arguments)
+ */
+class Factories
+{
+    /**
+     * Store of component-specific options, usually
+     * from CodeIgniter\Config\Factory.
+     *
+     * @var array<string, array>
+     */
+    protected static $options = [];
+
+    /**
+     * Explicit options for the Config
+     * component to prevent logic loops.
+     *
+     * @var array<string, mixed>
+     */
+    private static $configOptions = [
+        'component'  => 'config',
+        'path'       => 'Config',
+        'instanceOf' => null,
+        'getShared'  => true,
+        'preferApp'  => true,
+    ];
+
+    /**
+     * Mapping of class basenames (no namespace) to
+     * their instances.
+     *
+     * @var array<string, string[]>
+     */
+    protected static $basenames = [];
+
+    /**
+     * Store for instances of any component that
+     * has been requested as "shared".
+     * A multi-dimensional array with components as
+     * keys to the array of name-indexed instances.
+     *
+     * @var array<string, array>
+     */
+    protected static $instances = [];
+
+    /**
+     * Loads instances based on the method component name. Either
+     * creates a new instance or returns an existing shared instance.
+     *
+     * @return mixed
+     */
+    public static function __callStatic(string $component, array $arguments)
+    {
+        // First argument is the name, second is options
+        $name    = trim(array_shift($arguments), '\\ ');
+        $options = array_shift($arguments) ?? [];
+
+        // Determine the component-specific options
+        $options = array_merge(self::getOptions(strtolower($component)), $options);
+
+        if (! $options['getShared']) {
+            if ($class = self::locateClass($options, $name)) {
+                return new $class(...$arguments);
+            }
+
+            return null;
+        }
+
+        $basename = self::getBasename($name);
+
+        // Check for an existing instance
+        if (isset(self::$basenames[$options['component']][$basename])) {
+            $class = self::$basenames[$options['component']][$basename];
+
+            // Need to verify if the shared instance matches the request
+            if (self::verifyInstanceOf($options, $class)) {
+                return self::$instances[$options['component']][$class];
+            }
+        }
+
+        // Try to locate the class
+        if (! $class = self::locateClass($options, $name)) {
+            return null;
+        }
+
+        self::$instances[$options['component']][$class]    = new $class(...$arguments);
+        self::$basenames[$options['component']][$basename] = $class;
+
+        return self::$instances[$options['component']][$class];
+    }
+
+    /**
+     * Finds a component class
+     *
+     * @param array  $options The array of component-specific directives
+     * @param string $name    Class name, namespace optional
+     */
+    protected static function locateClass(array $options, string $name): ?string
+    {
+        // Check for low-hanging fruit
+        if (class_exists($name, false) && self::verifyPreferApp($options, $name) && self::verifyInstanceOf($options, $name)) {
+            return $name;
+        }
+
+        // Determine the relative class names we need
+        $basename = self::getBasename($name);
+        $appname  = $options['component'] === 'config'
+            ? 'Config\\' . $basename
+            : rtrim(APP_NAMESPACE, '\\') . '\\' . $options['path'] . '\\' . $basename;
+
+        // If an App version was requested then see if it verifies
+        if ($options['preferApp'] && class_exists($appname) && self::verifyInstanceOf($options, $name)) {
+            return $appname;
+        }
+
+        // If we have ruled out an App version and the class exists then try it
+        if (class_exists($name) && self::verifyInstanceOf($options, $name)) {
+            return $name;
+        }
+
+        // Have to do this the hard way...
+        $locator = Services::locator();
+
+        // Check if the class was namespaced
+        if (strpos($name, '\\') !== false) {
+            if (! $file = $locator->locateFile($name, $options['path'])) {
+                return null;
+            }
+            $files = [$file];
+        }
+        // No namespace? Search for it
+        // Check all namespaces, prioritizing App and modules
+        elseif (! $files = $locator->search($options['path'] . DIRECTORY_SEPARATOR . $name)) {
+            return null;
+        }
+
+        // Check all files for a valid class
+        foreach ($files as $file) {
+            $class = $locator->getClassname($file);
+
+            if ($class && self::verifyInstanceOf($options, $class)) {
+                return $class;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Verifies that a class & config satisfy the "preferApp" option
+     *
+     * @param array  $options The array of component-specific directives
+     * @param string $name    Class name, namespace optional
+     */
+    protected static function verifyPreferApp(array $options, string $name): bool
+    {
+        // Anything without that restriction passes
+        if (! $options['preferApp']) {
+            return true;
+        }
+
+        // Special case for Config since its App namespace is actually \Config
+        if ($options['component'] === 'config') {
+            return strpos($name, 'Config') === 0;
+        }
+
+        return strpos($name, APP_NAMESPACE) === 0;
+    }
+
+    /**
+     * Verifies that a class & config satisfy the "instanceOf" option
+     *
+     * @param array  $options The array of component-specific directives
+     * @param string $name    Class name, namespace optional
+     */
+    protected static function verifyInstanceOf(array $options, string $name): bool
+    {
+        // Anything without that restriction passes
+        if (! $options['instanceOf']) {
+            return true;
+        }
+
+        return is_a($name, $options['instanceOf'], true);
+    }
+
+    /**
+     * Returns the component-specific configuration
+     *
+     * @param string $component Lowercase, plural component name
+     *
+     * @return array<string, mixed>
+     */
+    public static function getOptions(string $component): array
+    {
+        $component = strtolower($component);
+
+        // Check for a stored version
+        if (isset(self::$options[$component])) {
+            return self::$options[$component];
+        }
+
+        $values = $component === 'config'
+            // Handle Config as a special case to prevent logic loops
+            ? self::$configOptions
+            // Load values from the best Factory configuration (will include Registrars)
+            : config('Factory')->{$component} ?? [];
+
+        return self::setOptions($component, $values);
+    }
+
+    /**
+     * Normalizes, stores, and returns the configuration for a specific component
+     *
+     * @param string $component Lowercase, plural component name
+     *
+     * @return array<string, mixed> The result after applying defaults and normalization
+     */
+    public static function setOptions(string $component, array $values): array
+    {
+        // Allow the config to replace the component name, to support "aliases"
+        $values['component'] = strtolower($values['component'] ?? $component);
+
+        // Reset this component so instances can be rediscovered with the updated config
+        self::reset($values['component']);
+
+        // If no path was available then use the component
+        $values['path'] = trim($values['path'] ?? ucfirst($values['component']), '\\ ');
+
+        // Add defaults for any missing values
+        $values = array_merge(Factory::$default, $values);
+
+        // Store the result to the supplied name and potential alias
+        self::$options[$component]           = $values;
+        self::$options[$values['component']] = $values;
+
+        return $values;
+    }
+
+    /**
+     * Resets the static arrays, optionally just for one component
+     *
+     * @param string $component Lowercase, plural component name
+     */
+    public static function reset(?string $component = null)
+    {
+        if ($component) {
+            unset(
+                static::$options[$component],
+                static::$basenames[$component],
+                static::$instances[$component]
+            );
+
+            return;
+        }
+
+        static::$options   = [];
+        static::$basenames = [];
+        static::$instances = [];
+    }
+
+    /**
+     * Helper method for injecting mock instances
+     *
+     * @param string $component Lowercase, plural component name
+     * @param string $name      The name of the instance
+     */
+    public static function injectMock(string $component, string $name, object $instance)
+    {
+        // Force a configuration to exist for this component
+        $component = strtolower($component);
+        self::getOptions($component);
+
+        $class    = get_class($instance);
+        $basename = self::getBasename($name);
+
+        self::$instances[$component][$class]    = $instance;
+        self::$basenames[$component][$basename] = $class;
+    }
+
+    /**
+     * Gets a basename from a class name, namespaced or not.
+     */
+    public static function getBasename(string $name): string
+    {
+        // Determine the basename
+        if ($basename = strrchr($name, '\\')) {
+            return substr($basename, 1);
+        }
+
+        return $name;
+    }
+}

system/Config/Factory.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * Factories Configuration file.
+ *
+ * Provides overriding directives for how
+ * Factories should handle discovery and
+ * instantiation of specific components.
+ * Each property should correspond to the
+ * lowercase, plural component name.
+ */
+class Factory extends BaseConfig
+{
+    /**
+     * Supplies a default set of options to merge for
+     * all unspecified factory components.
+     *
+     * @var array
+     */
+    public static $default = [
+        'component'  => null,
+        'path'       => null,
+        'instanceOf' => null,
+        'getShared'  => true,
+        'preferApp'  => true,
+    ];
+
+    /**
+     * Specifies that Models should always favor child
+     * classes to allow easy extension of module Models.
+     *
+     * @var array
+     */
+    public $models = [
+        'preferApp' => true,
+    ];
+}

system/Config/ForeignCharacters.php

@@ -0,0 +1,113 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * Describes foreign characters for transliteration with the text helper.
+ */
+class ForeignCharacters
+{
+    /**
+     * Without further ado, the list of foreign characters.
+     */
+    public $characterList = [
+        '/ä|æ|ǽ/'                                                     => 'ae',
+        '/ö|œ/'                                                       => 'oe',
+        '/ü/'                                                         => 'ue',
+        '/Ä/'                                                         => 'Ae',
+        '/Ü/'                                                         => 'Ue',
+        '/Ö/'                                                         => 'Oe',
+        '/À|Á|Â|Ã|Ä|Å|Ǻ|Ā|Ă|Ą|Ǎ|Α|Ά|Ả|Ạ|Ầ|Ẫ|Ẩ|Ậ|Ằ|Ắ|Ẵ|Ẳ|Ặ|А/'         => 'A',
+        '/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª|α|ά|ả|ạ|ầ|ấ|ẫ|ẩ|ậ|ằ|ắ|ẵ|ẳ|ặ|а/'       => 'a',
+        '/Б/'                                                         => 'B',
+        '/б/'                                                         => 'b',
+        '/Ç|Ć|Ĉ|Ċ|Č/'                                                 => 'C',
+        '/ç|ć|ĉ|ċ|č/'                                                 => 'c',
+        '/Д/'                                                         => 'D',
+        '/д/'                                                         => 'd',
+        '/Ð|Ď|Đ|Δ/'                                                   => 'Dj',
+        '/ð|ď|đ|δ/'                                                   => 'dj',
+        '/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě|Ε|Έ|Ẽ|Ẻ|Ẹ|Ề|Ế|Ễ|Ể|Ệ|Е|Э/'                 => 'E',
+        '/è|é|ê|ë|ē|ĕ|ė|ę|ě|έ|ε|ẽ|ẻ|ẹ|ề|ế|ễ|ể|ệ|е|э/'                 => 'e',
+        '/Ф/'                                                         => 'F',
+        '/ф/'                                                         => 'f',
+        '/Ĝ|Ğ|Ġ|Ģ|Γ|Г|Ґ/'                                             => 'G',
+        '/ĝ|ğ|ġ|ģ|γ|г|ґ/'                                             => 'g',
+        '/Ĥ|Ħ/'                                                       => 'H',
+        '/ĥ|ħ/'                                                       => 'h',
+        '/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ|Η|Ή|Ί|Ι|Ϊ|Ỉ|Ị|И|Ы/'                     => 'I',
+        '/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı|η|ή|ί|ι|ϊ|ỉ|ị|и|ы|ї/'                   => 'i',
+        '/Ĵ/'                                                         => 'J',
+        '/ĵ/'                                                         => 'j',
+        '/Ķ|Κ|К/'                                                     => 'K',
+        '/ķ|κ|к/'                                                     => 'k',
+        '/Ĺ|Ļ|Ľ|Ŀ|Ł|Λ|Л/'                                             => 'L',
+        '/ĺ|ļ|ľ|ŀ|ł|λ|л/'                                             => 'l',
+        '/М/'                                                         => 'M',
+        '/м/'                                                         => 'm',
+        '/Ñ|Ń|Ņ|Ň|Ν|Н/'                                               => 'N',
+        '/ñ|ń|ņ|ň|ʼn|ν|н/'                                             => 'n',
+        '/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ|Ο|Ό|Ω|Ώ|Ỏ|Ọ|Ồ|Ố|Ỗ|Ổ|Ộ|Ờ|Ớ|Ỡ|Ở|Ợ|О/'   => 'O',
+        '/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º|ο|ό|ω|ώ|ỏ|ọ|ồ|ố|ỗ|ổ|ộ|ờ|ớ|ỡ|ở|ợ|о/' => 'o',
+        '/П/'                                                         => 'P',
+        '/п/'                                                         => 'p',
+        '/Ŕ|Ŗ|Ř|Ρ|Р/'                                                 => 'R',
+        '/ŕ|ŗ|ř|ρ|р/'                                                 => 'r',
+        '/Ś|Ŝ|Ş|Ș|Š|Σ|С/'                                             => 'S',
+        '/ś|ŝ|ş|ș|š|ſ|σ|ς|с/'                                         => 's',
+        '/Ț|Ţ|Ť|Ŧ|τ|Т/'                                               => 'T',
+        '/ț|ţ|ť|ŧ|т/'                                                 => 't',
+        '/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ|Ũ|Ủ|Ụ|Ừ|Ứ|Ữ|Ử|Ự|У/'           => 'U',
+        '/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ|υ|ύ|ϋ|ủ|ụ|ừ|ứ|ữ|ử|ự|у/'       => 'u',
+        '/Ƴ|Ɏ|Ỵ|Ẏ|Ӳ|Ӯ|Ў|Ý|Ÿ|Ŷ|Υ|Ύ|Ϋ|Ỳ|Ỹ|Ỷ|Ỵ|Й/'                       => 'Y',
+        '/ẙ|ʏ|ƴ|ɏ|ỵ|ẏ|ӳ|ӯ|ў|ý|ÿ|ŷ|ỳ|ỹ|ỷ|ỵ|й/'                         => 'y',
+        '/В/'                                                         => 'V',
+        '/в/'                                                         => 'v',
+        '/Ŵ/'                                                         => 'W',
+        '/ŵ/'                                                         => 'w',
+        '/Ź|Ż|Ž|Ζ|З/'                                                 => 'Z',
+        '/ź|ż|ž|ζ|з/'                                                 => 'z',
+        '/Æ|Ǽ/'                                                       => 'AE',
+        '/ß/'                                                         => 'ss',
+        '/IJ/'                                                         => 'IJ',
+        '/ij/'                                                         => 'ij',
+        '/Œ/'                                                         => 'OE',
+        '/ƒ/'                                                         => 'f',
+        '/ξ/'                                                         => 'ks',
+        '/π/'                                                         => 'p',
+        '/β/'                                                         => 'v',
+        '/μ/'                                                         => 'm',
+        '/ψ/'                                                         => 'ps',
+        '/Ё/'                                                         => 'Yo',
+        '/ё/'                                                         => 'yo',
+        '/Є/'                                                         => 'Ye',
+        '/є/'                                                         => 'ye',
+        '/Ї/'                                                         => 'Yi',
+        '/Ж/'                                                         => 'Zh',
+        '/ж/'                                                         => 'zh',
+        '/Х/'                                                         => 'Kh',
+        '/х/'                                                         => 'kh',
+        '/Ц/'                                                         => 'Ts',
+        '/ц/'                                                         => 'ts',
+        '/Ч/'                                                         => 'Ch',
+        '/ч/'                                                         => 'ch',
+        '/Ш/'                                                         => 'Sh',
+        '/ш/'                                                         => 'sh',
+        '/Щ/'                                                         => 'Shch',
+        '/щ/'                                                         => 'shch',
+        '/Ъ|ъ|Ь|ь/'                                                   => '',
+        '/Ю/'                                                         => 'Yu',
+        '/ю/'                                                         => 'yu',
+        '/Я/'                                                         => 'Ya',
+        '/я/'                                                         => 'ya',
+    ];
+}

system/Config/Publisher.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * Publisher Configuration
+ *
+ * Defines basic security restrictions for the Publisher class
+ * to prevent abuse by injecting malicious files into a project.
+ */
+class Publisher extends BaseConfig
+{
+    /**
+     * A list of allowed destinations with a (pseudo-)regex
+     * of allowed files for each destination.
+     * Attempts to publish to directories not in this list will
+     * result in a PublisherException. Files that do no fit the
+     * pattern will cause copy/merge to fail.
+     *
+     * @var array<string,string>
+     */
+    public $restrictions = [
+        ROOTPATH => '*',
+        FCPATH   => '#\.(?css|js|map|htm?|xml|json|webmanifest|tff|eot|woff?|gif|jpe?g|tiff?|png|webp|bmp|ico|svg)$#i',
+    ];
+
+    /**
+     * Disables Registrars to prevent modules from altering the restrictions.
+     */
+    final protected function registerProperties()
+    {
+    }
+}

system/Config/Routes.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+use CodeIgniter\Exceptions\PageNotFoundException;
+
+/*
+ * System URI Routing
+ *
+ * This file contains any routing to system tools, such as command-line
+ * tools for migrations, etc.
+ *
+ * It is called by Config\Routes, and has the $routes RouteCollection
+ * already loaded up and ready for us to use.
+ */
+
+// Prevent access to BaseController
+$routes->add('BaseController(:any)', static function () {
+    throw PageNotFoundException::forPageNotFound();
+});
+
+// Prevent access to initController method
+$routes->add('(:any)/initController', static function () {
+    throw PageNotFoundException::forPageNotFound();
+});
+
+// Migrations
+$routes->cli('migrations/(:segment)/(:segment)', '\CodeIgniter\Commands\MigrationsCommand::$1/$2');
+$routes->cli('migrations/(:segment)', '\CodeIgniter\Commands\MigrationsCommand::$1');
+$routes->cli('migrations', '\CodeIgniter\Commands\MigrationsCommand::index');
+
+// CLI Catchall - uses a _remap to call Commands
+$routes->cli('ci(:any)', '\CodeIgniter\CLI\CommandRunner::index/$1');

system/Config/Services.php

@@ -0,0 +1,689 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+use CodeIgniter\Cache\CacheFactory;
+use CodeIgniter\Cache\CacheInterface;
+use CodeIgniter\CLI\Commands;
+use CodeIgniter\CodeIgniter;
+use CodeIgniter\Database\ConnectionInterface;
+use CodeIgniter\Database\MigrationRunner;
+use CodeIgniter\Debug\Exceptions;
+use CodeIgniter\Debug\Iterator;
+use CodeIgniter\Debug\Timer;
+use CodeIgniter\Debug\Toolbar;
+use CodeIgniter\Email\Email;
+use CodeIgniter\Encryption\EncrypterInterface;
+use CodeIgniter\Encryption\Encryption;
+use CodeIgniter\Filters\Filters;
+use CodeIgniter\Format\Format;
+use CodeIgniter\Honeypot\Honeypot;
+use CodeIgniter\HTTP\CLIRequest;
+use CodeIgniter\HTTP\CURLRequest;
+use CodeIgniter\HTTP\IncomingRequest;
+use CodeIgniter\HTTP\Negotiate;
+use CodeIgniter\HTTP\RedirectResponse;
+use CodeIgniter\HTTP\Request;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\Response;
+use CodeIgniter\HTTP\ResponseInterface;
+use CodeIgniter\HTTP\URI;
+use CodeIgniter\HTTP\UserAgent;
+use CodeIgniter\Images\Handlers\BaseHandler;
+use CodeIgniter\Language\Language;
+use CodeIgniter\Log\Logger;
+use CodeIgniter\Pager\Pager;
+use CodeIgniter\Router\RouteCollection;
+use CodeIgniter\Router\RouteCollectionInterface;
+use CodeIgniter\Router\Router;
+use CodeIgniter\Security\Security;
+use CodeIgniter\Session\Session;
+use CodeIgniter\Throttle\Throttler;
+use CodeIgniter\Typography\Typography;
+use CodeIgniter\Validation\Validation;
+use CodeIgniter\View\Cell;
+use CodeIgniter\View\Parser;
+use CodeIgniter\View\RendererInterface;
+use CodeIgniter\View\View;
+use Config\App;
+use Config\Cache;
+use Config\Email as EmailConfig;
+use Config\Encryption as EncryptionConfig;
+use Config\Exceptions as ExceptionsConfig;
+use Config\Filters as FiltersConfig;
+use Config\Format as FormatConfig;
+use Config\Honeypot as HoneypotConfig;
+use Config\Images;
+use Config\Migrations;
+use Config\Pager as PagerConfig;
+use Config\Services as AppServices;
+use Config\Toolbar as ToolbarConfig;
+use Config\Validation as ValidationConfig;
+use Config\View as ViewConfig;
+
+/**
+ * Services Configuration file.
+ *
+ * Services are simply other classes/libraries that the system uses
+ * to do its job. This is used by CodeIgniter to allow the core of the
+ * framework to be swapped out easily without affecting the usage within
+ * the rest of your application.
+ *
+ * This is used in place of a Dependency Injection container primarily
+ * due to its simplicity, which allows a better long-term maintenance
+ * of the applications built on top of CodeIgniter. A bonus side-effect
+ * is that IDEs are able to determine what class you are calling
+ * whereas with DI Containers there usually isn't a way for them to do this.
+ *
+ * @see http://blog.ircmaxell.com/2015/11/simple-easy-risk-and-change.html
+ * @see http://www.infoq.com/presentations/Simple-Made-Easy
+ */
+class Services extends BaseService
+{
+    /**
+     * The cache class provides a simple way to store and retrieve
+     * complex data for later.
+     *
+     * @return CacheInterface
+     */
+    public static function cache(?Cache $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('cache', $config);
+        }
+
+        $config = $config ?? new Cache();
+
+        return CacheFactory::getHandler($config);
+    }
+
+    /**
+     * The CLI Request class provides for ways to interact with
+     * a command line request.
+     *
+     * @return CLIRequest
+     */
+    public static function clirequest(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('clirequest', $config);
+        }
+
+        $config = $config ?? config('App');
+
+        return new CLIRequest($config);
+    }
+
+    /**
+     * CodeIgniter, the core of the framework.
+     *
+     * @return CodeIgniter
+     */
+    public static function codeigniter(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('codeigniter', $config);
+        }
+
+        $config = $config ?? config('App');
+
+        return new CodeIgniter($config);
+    }
+
+    /**
+     * The commands utility for running and working with CLI commands.
+     *
+     * @return Commands
+     */
+    public static function commands(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('commands');
+        }
+
+        return new Commands();
+    }
+
+    /**
+     * The CURL Request class acts as a simple HTTP client for interacting
+     * with other servers, typically through APIs.
+     *
+     * @return CURLRequest
+     */
+    public static function curlrequest(array $options = [], ?ResponseInterface $response = null, ?App $config = null, bool $getShared = true)
+    {
+        if ($getShared === true) {
+            return static::getSharedInstance('curlrequest', $options, $response, $config);
+        }
+
+        $config   = $config ?? config('App');
+        $response = $response ?? new Response($config);
+
+        return new CURLRequest(
+            $config,
+            new URI($options['base_uri'] ?? null),
+            $response,
+            $options
+        );
+    }
+
+    /**
+     * The Email class allows you to send email via mail, sendmail, SMTP.
+     *
+     * @param array|EmailConfig|null $config
+     *
+     * @return Email
+     */
+    public static function email($config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('email', $config);
+        }
+
+        if (empty($config) || ! (is_array($config) || $config instanceof EmailConfig)) {
+            $config = config('Email');
+        }
+
+        return new Email($config);
+    }
+
+    /**
+     * The Encryption class provides two-way encryption.
+     *
+     * @param bool $getShared
+     *
+     * @return EncrypterInterface Encryption handler
+     */
+    public static function encrypter(?EncryptionConfig $config = null, $getShared = false)
+    {
+        if ($getShared === true) {
+            return static::getSharedInstance('encrypter', $config);
+        }
+
+        $config     = $config ?? config('Encryption');
+        $encryption = new Encryption($config);
+
+        return $encryption->initialize($config);
+    }
+
+    /**
+     * The Exceptions class holds the methods that handle:
+     *
+     *  - set_exception_handler
+     *  - set_error_handler
+     *  - register_shutdown_function
+     *
+     * @return Exceptions
+     */
+    public static function exceptions(
+        ?ExceptionsConfig $config = null,
+        ?IncomingRequest $request = null,
+        ?Response $response = null,
+        bool $getShared = true
+    ) {
+        if ($getShared) {
+            return static::getSharedInstance('exceptions', $config, $request, $response);
+        }
+
+        $config   = $config ?? config('Exceptions');
+        $request  = $request ?? AppServices::request();
+        $response = $response ?? AppServices::response();
+
+        return new Exceptions($config, $request, $response);
+    }
+
+    /**
+     * Filters allow you to run tasks before and/or after a controller
+     * is executed. During before filters, the request can be modified,
+     * and actions taken based on the request, while after filters can
+     * act on or modify the response itself before it is sent to the client.
+     *
+     * @return Filters
+     */
+    public static function filters(?FiltersConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('filters', $config);
+        }
+
+        $config = $config ?? config('Filters');
+
+        return new Filters($config, AppServices::request(), AppServices::response());
+    }
+
+    /**
+     * The Format class is a convenient place to create Formatters.
+     *
+     * @return Format
+     */
+    public static function format(?FormatConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('format', $config);
+        }
+
+        $config = $config ?? config('Format');
+
+        return new Format($config);
+    }
+
+    /**
+     * The Honeypot provides a secret input on forms that bots should NOT
+     * fill in, providing an additional safeguard when accepting user input.
+     *
+     * @return Honeypot
+     */
+    public static function honeypot(?HoneypotConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('honeypot', $config);
+        }
+
+        $config = $config ?? config('Honeypot');
+
+        return new Honeypot($config);
+    }
+
+    /**
+     * Acts as a factory for ImageHandler classes and returns an instance
+     * of the handler. Used like Services::image()->withFile($path)->rotate(90)->save();
+     *
+     * @return BaseHandler
+     */
+    public static function image(?string $handler = null, ?Images $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('image', $handler, $config);
+        }
+
+        $config  = $config ?? config('Images');
+        $handler = $handler ?: $config->defaultHandler;
+        $class   = $config->handlers[$handler];
+
+        return new $class($config);
+    }
+
+    /**
+     * The Iterator class provides a simple way of looping over a function
+     * and timing the results and memory usage. Used when debugging and
+     * optimizing applications.
+     *
+     * @return Iterator
+     */
+    public static function iterator(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('iterator');
+        }
+
+        return new Iterator();
+    }
+
+    /**
+     * Responsible for loading the language string translations.
+     *
+     * @return Language
+     */
+    public static function language(?string $locale = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('language', $locale)->setLocale($locale);
+        }
+
+        // Use '?:' for empty string check
+        $locale = $locale ?: AppServices::request()->getLocale();
+
+        return new Language($locale);
+    }
+
+    /**
+     * The Logger class is a PSR-3 compatible Logging class that supports
+     * multiple handlers that process the actual logging.
+     *
+     * @return Logger
+     */
+    public static function logger(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('logger');
+        }
+
+        return new Logger(config('Logger'));
+    }
+
+    /**
+     * Return the appropriate Migration runner.
+     *
+     * @return MigrationRunner
+     */
+    public static function migrations(?Migrations $config = null, ?ConnectionInterface $db = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('migrations', $config, $db);
+        }
+
+        $config = $config ?? config('Migrations');
+
+        return new MigrationRunner($config, $db);
+    }
+
+    /**
+     * The Negotiate class provides the content negotiation features for
+     * working the request to determine correct language, encoding, charset,
+     * and more.
+     *
+     * @return Negotiate
+     */
+    public static function negotiator(?RequestInterface $request = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('negotiator', $request);
+        }
+
+        $request = $request ?? AppServices::request();
+
+        return new Negotiate($request);
+    }
+
+    /**
+     * Return the appropriate pagination handler.
+     *
+     * @return Pager
+     */
+    public static function pager(?PagerConfig $config = null, ?RendererInterface $view = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('pager', $config, $view);
+        }
+
+        $config = $config ?? config('Pager');
+        $view   = $view ?? AppServices::renderer();
+
+        return new Pager($config, $view);
+    }
+
+    /**
+     * The Parser is a simple template parser.
+     *
+     * @return Parser
+     */
+    public static function parser(?string $viewPath = null, ?ViewConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('parser', $viewPath, $config);
+        }
+
+        $viewPath = $viewPath ?: config('Paths')->viewDirectory;
+        $config   = $config ?? config('View');
+
+        return new Parser($config, $viewPath, AppServices::locator(), CI_DEBUG, AppServices::logger());
+    }
+
+    /**
+     * The Renderer class is the class that actually displays a file to the user.
+     * The default View class within CodeIgniter is intentionally simple, but this
+     * service could easily be replaced by a template engine if the user needed to.
+     *
+     * @return View
+     */
+    public static function renderer(?string $viewPath = null, ?ViewConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('renderer', $viewPath, $config);
+        }
+
+        $viewPath = $viewPath ?: config('Paths')->viewDirectory;
+        $config   = $config ?? config('View');
+
+        return new View($config, $viewPath, AppServices::locator(), CI_DEBUG, AppServices::logger());
+    }
+
+    /**
+     * The Request class models an HTTP request.
+     *
+     * @return IncomingRequest
+     */
+    public static function request(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('request', $config);
+        }
+
+        $config = $config ?? config('App');
+
+        return new IncomingRequest(
+            $config,
+            AppServices::uri(),
+            'php://input',
+            new UserAgent()
+        );
+    }
+
+    /**
+     * The Response class models an HTTP response.
+     *
+     * @return Response
+     */
+    public static function response(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('response', $config);
+        }
+
+        $config = $config ?? config('App');
+
+        return new Response($config);
+    }
+
+    /**
+     * The Redirect class provides nice way of working with redirects.
+     *
+     * @return RedirectResponse
+     */
+    public static function redirectresponse(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('redirectresponse', $config);
+        }
+
+        $config   = $config ?? config('App');
+        $response = new RedirectResponse($config);
+        $response->setProtocolVersion(AppServices::request()->getProtocolVersion());
+
+        return $response;
+    }
+
+    /**
+     * The Routes service is a class that allows for easily building
+     * a collection of routes.
+     *
+     * @return RouteCollection
+     */
+    public static function routes(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('routes');
+        }
+
+        return new RouteCollection(AppServices::locator(), config('Modules'));
+    }
+
+    /**
+     * The Router class uses a RouteCollection's array of routes, and determines
+     * the correct Controller and Method to execute.
+     *
+     * @return Router
+     */
+    public static function router(?RouteCollectionInterface $routes = null, ?Request $request = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('router', $routes, $request);
+        }
+
+        $routes  = $routes ?? AppServices::routes();
+        $request = $request ?? AppServices::request();
+
+        return new Router($routes, $request);
+    }
+
+    /**
+     * The Security class provides a few handy tools for keeping the site
+     * secure, most notably the CSRF protection tools.
+     *
+     * @return Security
+     */
+    public static function security(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('security', $config);
+        }
+
+        $config = $config ?? config('App');
+
+        return new Security($config);
+    }
+
+    /**
+     * Return the session manager.
+     *
+     * @return Session
+     */
+    public static function session(?App $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('session', $config);
+        }
+
+        $config = $config ?? config('App');
+        $logger = AppServices::logger();
+
+        $driverName = $config->sessionDriver;
+        $driver     = new $driverName($config, AppServices::request()->getIPAddress());
+        $driver->setLogger($logger);
+
+        $session = new Session($driver, $config);
+        $session->setLogger($logger);
+
+        if (session_status() === PHP_SESSION_NONE) {
+            $session->start();
+        }
+
+        return $session;
+    }
+
+    /**
+     * The Throttler class provides a simple method for implementing
+     * rate limiting in your applications.
+     *
+     * @return Throttler
+     */
+    public static function throttler(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('throttler');
+        }
+
+        return new Throttler(AppServices::cache());
+    }
+
+    /**
+     * The Timer class provides a simple way to Benchmark portions of your
+     * application.
+     *
+     * @return Timer
+     */
+    public static function timer(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('timer');
+        }
+
+        return new Timer();
+    }
+
+    /**
+     * Return the debug toolbar.
+     *
+     * @return Toolbar
+     */
+    public static function toolbar(?ToolbarConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('toolbar', $config);
+        }
+
+        $config = $config ?? config('Toolbar');
+
+        return new Toolbar($config);
+    }
+
+    /**
+     * The URI class provides a way to model and manipulate URIs.
+     *
+     * @param string $uri
+     *
+     * @return URI
+     */
+    public static function uri(?string $uri = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('uri', $uri);
+        }
+
+        return new URI($uri);
+    }
+
+    /**
+     * The Validation class provides tools for validating input data.
+     *
+     * @return Validation
+     */
+    public static function validation(?ValidationConfig $config = null, bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('validation', $config);
+        }
+
+        $config = $config ?? config('Validation');
+
+        return new Validation($config, AppServices::renderer());
+    }
+
+    /**
+     * View cells are intended to let you insert HTML into view
+     * that has been generated by any callable in the system.
+     *
+     * @return Cell
+     */
+    public static function viewcell(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('viewcell');
+        }
+
+        return new Cell(AppServices::cache());
+    }
+
+    /**
+     * The Typography class provides a way to format text in semantically relevant ways.
+     *
+     * @return Typography
+     */
+    public static function typography(bool $getShared = true)
+    {
+        if ($getShared) {
+            return static::getSharedInstance('typography');
+        }
+
+        return new Typography();
+    }
+}

system/Config/View.php

@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Config;
+
+/**
+ * View configuration
+ */
+class View extends BaseConfig
+{
+    /**
+     * When false, the view method will clear the data between each
+     * call.
+     *
+     * @var bool
+     */
+    public $saveData = true;
+
+    /**
+     * Parser Filters map a filter name with any PHP callable. When the
+     * Parser prepares a variable for display, it will chain it
+     * through the filters in the order defined, inserting any parameters.
+     *
+     * To prevent potential abuse, all filters MUST be defined here
+     * in order for them to be available for use within the Parser.
+     */
+    public $filters = [];
+
+    /**
+     * Parser Plugins provide a way to extend the functionality provided
+     * by the core Parser by creating aliases that will be replaced with
+     * any callable. Can be single or tag pair.
+     */
+    public $plugins = [];
+
+    /**
+     * Built-in View filters.
+     *
+     * @var array
+     */
+    protected $coreFilters = [
+        'abs'            => '\abs',
+        'capitalize'     => '\CodeIgniter\View\Filters::capitalize',
+        'date'           => '\CodeIgniter\View\Filters::date',
+        'date_modify'    => '\CodeIgniter\View\Filters::date_modify',
+        'default'        => '\CodeIgniter\View\Filters::default',
+        'esc'            => '\CodeIgniter\View\Filters::esc',
+        'excerpt'        => '\CodeIgniter\View\Filters::excerpt',
+        'highlight'      => '\CodeIgniter\View\Filters::highlight',
+        'highlight_code' => '\CodeIgniter\View\Filters::highlight_code',
+        'limit_words'    => '\CodeIgniter\View\Filters::limit_words',
+        'limit_chars'    => '\CodeIgniter\View\Filters::limit_chars',
+        'local_currency' => '\CodeIgniter\View\Filters::local_currency',
+        'local_number'   => '\CodeIgniter\View\Filters::local_number',
+        'lower'          => '\strtolower',
+        'nl2br'          => '\CodeIgniter\View\Filters::nl2br',
+        'number_format'  => '\number_format',
+        'prose'          => '\CodeIgniter\View\Filters::prose',
+        'round'          => '\CodeIgniter\View\Filters::round',
+        'strip_tags'     => '\strip_tags',
+        'title'          => '\CodeIgniter\View\Filters::title',
+        'upper'          => '\strtoupper',
+    ];
+
+    /**
+     * Built-in View plugins.
+     *
+     * @var array
+     */
+    protected $corePlugins = [
+        'current_url'       => '\CodeIgniter\View\Plugins::currentURL',
+        'previous_url'      => '\CodeIgniter\View\Plugins::previousURL',
+        'mailto'            => '\CodeIgniter\View\Plugins::mailto',
+        'safe_mailto'       => '\CodeIgniter\View\Plugins::safeMailto',
+        'lang'              => '\CodeIgniter\View\Plugins::lang',
+        'validation_errors' => '\CodeIgniter\View\Plugins::validationErrors',
+        'route'             => '\CodeIgniter\View\Plugins::route',
+        'siteURL'           => '\CodeIgniter\View\Plugins::siteURL',
+    ];
+
+    /**
+     * Merge the built-in and developer-configured filters and plugins,
+     * with preference to the developer ones.
+     */
+    public function __construct()
+    {
+        $this->filters = array_merge($this->coreFilters, $this->filters);
+        $this->plugins = array_merge($this->corePlugins, $this->plugins);
+
+        parent::__construct();
+    }
+}