The Empty Framework

composer.json

{
    "name": "nickel715/empty",
    "description": "",
    "license": "MIT",
    "authors": [
        { "name": "Nicolas Hohm" }
    ],
    "autoload": {
        "files": ["empty.php"]
    }
}

empty.php

<?php
/**
 * The Empty Framework
 * ===================
 *
 * Usage
 * -----
 *
 * ```php
 * $empty('logger', function($message) {
 *     echo $message;
 * });
 *
 * $empty('app', (function() {
 *     $this->logger('hello world');
 * })->bindTo($empty));
 *
 * $empty('app');
 * ```
 *
 * License
 * -------
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 Nicolas
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * @author Nicolas Hohm <nickel7152@gmail.com>
 * @package empty
 */
declare(strict_types=1);

$empty = new class
{
    protected $plugins = [];

    public function __invoke(string $name, callable $instance = null)
    {
        if (is_callable($instance)) {
            $this->plugins[$name] = $instance;
        } else {
            $this->plugins[$name]();
        }
    }

    public function __call(string $name, array $arguments)
    {
        return $this->plugins[$name](...$arguments);
    }

    public function __get(string $name)
    {
        return $this->plugins[$name];
    }
};