phacil-framework/system/config/autoload.php

<?php
/*
 * Copyright © 2021 ExacTI Technology Solutions. All rights reserved.
 * GPLv3 General License.
 * https://exacti.com.br
 * Phacil PHP Framework - https://github.com/exacti/phacil-framework
 */

namespace Phacil\Framework;

/** @package Phacil\Framework */
final class Config {
	/**
	 * 
	 * @var array
	 */
	private $data = array();

  	/**
  	 * @param string|int $key 
  	 * @return null|array|string 
  	 */
  	public function get($key) {
    	return (isset($this->data[$key]) ? $this->data[$key] : null);
  	}	
	
	/**
	 * @param string $key 
	 * @param mixed $value 
	 * @return void 
	 */
	public function set($key, $value) {
    	$this->data[$key] = $value;
  	}

	/**
	 * @param string|int $key 
	 * @return bool 
	 */
	public function has($key) {
    	return isset($this->data[$key]);
  	}

  	/**
  	 * @param string $filename 
  	 * @return void 
  	 */
  	public function load($filename) {
		$file = DIR_CONFIG . $filename . '.php';
		
    	if (file_exists($file)) { 
	  		$cfg = array();
	  
	  		require($file);
	  
	  		$this->data = array_merge($this->data, $cfg);
		} else {
			trigger_error('Error: Could not load config ' . $filename . '!');
			exit();
		}
  	}
}