Need composer
composer require bemang/config-system
require('vendor/autoload.php');
use bemang\Config;
$config = Config::getInstance(); //For get single instance
$config->define('test', 'hello'); //For define key
$config->get('test'); //For get key
$config->define([
'test' => 123,
'test3' => ['Jean', 'Yves']
]); //Define multiple key
$config->has('test'); //Verify a key
$config->delete('test'); //Delete a key