neatoDeploy/app/neato_registry.php

<?php 
/**
 * Neato Auto loader PSR4
 * 
 * PHP version 8.3
 * 
 * @category Util
 * @package  Neato
 * @author   Robert S. <tips@technowizardbob.com>
 * @license  https://mit-license.org/ MIT License
 * @link     https://git.mysnippetsofcode.com/tts/neatoDeploy
 */

/**
 * Class Registry to hold di
 *
 * @category Util
 * @package  Neato
 * @author   Robert S. <tips@technowizardbob.com>
 * @license  https://mit-license.org/ MIT License
 * @link     https://git.mysnippetsofcode.com/tts/neatoDeploy
 */
final class Registry
{
    private static $_registry = [];
    
    /**
     * Protected constructor to stop instances from being created.
     */
    protected function __construct()
    { 
    }

    /**
     * Retrieves data from the registry.
     * 
     * @param string       $name item label to fetch
     * @param string|false $key  is like a subkey for another item
     * 
     * @return mixed
     */
    public static function get(string $name, string|false $key = false)
    {
        if (isset(self::$_registry[strtolower($name)])) {
            $a = self::$_registry[strtolower($name)];
            if ($key === false) {
                return $a;
            }
            if (isset($a[$key])) {
                return $a[$key];
            }
        }
        return null;
    }

    /**
     * Assigns data into the registry to be used anywhere in the app.
     * 
     * @param string $name  label for item to set into registry.
     * @param mixed   $value data to put into registry.
     * 
     * @return bool
     */
    public static function set(string $name, mixed $value): bool
    {
        if (array_key_exists(strtolower($name), self::$_registry)) {
            return false;
        }
        self::$_registry[strtolower($name)] = $value;
        return true;
    }
}

/**
 * Class Di dependency injection.
 *
 * @category Util
 * @package  Neato
 * @author   Robert S. <tips@technowizardbob.com>
 * @license  https://mit-license.org/ MIT License
 * @link     https://git.mysnippetsofcode.com/tts/neatoDeploy
 */

final class Di
{
    /**
     * Holds protected services in an array.
     * 
     * @var array $services holds everything for di
     */
    protected array $services = [];
    /**
     * Set's registry up for useage.
     * 
     * @param string   $service_name label for callable code
     * @param callable $callable     method to use
     * 
     * @return void
     */
    public function register(string $service_name, callable $callable): void
    {
        $this->services[$service_name] = $callable;
    }
    
    /**
     * Get service data
     * Note args may be an object or an array maybe more...!
     * 
     * @param string $service_name label for service
     * @param mixed  $args         the parameters to use
     * 
     * @return mixed code injected for later use.
     * @throws \Exception
     */
    public function getService(string $service_name, $args = [])
    {
        if (!array_key_exists($service_name, $this->services)) {
            throw new \Exception("The Service: {$service_name} does not exists.");
        }
        return $this->services[$service_name]($args);
    }
  
    /**
     * Majic setter, service to be registered.
     * 
     * @param string   $service_name label for service
     * @param callable $callable     code injected for later use
     * 
     * @return void
     */
    public function __set(string $service_name, callable $callable): void
    {
        $this->register($service_name, $callable);
    }

    /**
     * Magic getter method same as get service.
     * 
     * @param string $service_name label for service
     * 
     * @return mixed code injected for later use.
     */
    public function __get(string $service_name)
    {
        return $this->getService($service_name);
    }
    
    /**
     * Lists all services as an array.
     * 
     * @return array of services that can be used
     */
    public function listServicesAsArray(): array
    {
        return array_keys($this->services);
    }

    /**
     * Lists all services as a string.
     * 
     * @return string of services
     */
    public function listServicesAsString(): string
    {
        return implode(',', array_keys($this->services));
    }
}

// Initialize our Dependency Injector
Registry::set('di', new Di());

// Setup php for working with Unicode data, if possible
if (extension_loaded('mbstring')) {
    mb_internal_encoding('UTF-8');
    mb_http_output('UTF-8');
    mb_language('uni');
    setlocale(LC_ALL, "en_US.UTF-8");
}