You can install the package via composer:
composer require tleckie/config
<?php
use Tleckie\Config\Config;
$data = [
'user' => [
'name' => 'John',
'age' => 38,
'friend' => [
'name' => 'Mario',
'age' => 25,
'friend' => [
'name' => 'Pedro',
'age' => 48,
]
]
],
'size' => '800x900'
];
$config = new Config($data);
var_dump($config->get('user')->get('friend')->get('friend')->get('name'));
var_dump($config->user->friend->friend->name);
$config->merge(['name' => 'Pedro']);
$config->merge(new Config(['name' => 'Pedro']));