1-install.sh

composer require illuminate/container

2-Plugin.php

<?php

namespace Candles;

use Illuminate\Container\Container;
class Plugin extends Container
{
}

3-PluginAlt.php

<?php

namespace Candles;

use Illuminate\Container\Container;
class Plugin
{

    protected $container;

    public function __construct(){
        $this->container = new Container();
    }
    
	public function getContainer(){
        return $this->container;
    }

}

4-candle.php

<?php
use Caldles\Plugin;

/**
* Get main plugin class
*
* @return Plugin
*/
function candle(){
    static $candle;
    if( ! $candle ){
        $candle = new Plugin();
        do_action( "candle", $candle );
    }
    return $candle;
}

5-instance-access.php

<?php

use Candles\ApiClient;
$client = candle()->make( ApiClient::class );

5-instance-register.php

<?php
use Caldles\Plugin;
use Candles\ApiClient;

add_action( 'candle', function($candle){
    $api = new ApiClient(
        'key'
    );
    $candle->instance( ApiClient::class, $api);
});

6-access.php

<?php
use Caldles\Product;

$product = candle()->make( Product::class, ['Space Person Toy'] );

6-factory-register-alt.php

<?php
use Caldles\Product;
add_action( 'candle', function($candle){
    $candle->bind( Product::class, function($plugin,$args){
        return new Product($args[0]);
    });
});

6-factory-register.php

<?php
use Caldles\Product;
add_action( 'candle', function($candle){
    $candle->bind( Product::class, function($plugin,$args){
        return new Product(...$args);
    });
});