App.php

<?php

class App {
	protected $controller = 'Home'; //controller default
	protected $method = 'index'; //method default
	protected $params = []; //parameter default
	
	public function __construct()
	{
		$url = $this->parseURL();
		
		//controller
		if(file_exists('../app/controllers/'.$url[0].'.php')){ 
			$this->controller = $url[0];
			unset($url[0]);
		}
		require_once '../app/controllers/'.$this->controller.'.php';
		$this->controller = new $this->controller;

		//method
		if(isset($url[1])){
			if(method_exists($this->controller, $url[1])){
				$this->method = $url[1];
				unset($url[1]);
			}
		}
		
		//params
		if(!empty($url)){
			$this->params = array_values($url);
		}
		//jalankan controller & method, serta kirimkan params jika ada
		call_user_func_array([$this->controller, $this->method], $this->params);
	}

	public function parseURL()
	{
		if(isset($_GET['url'])){
			$url = rtrim($_GET['url'], '/');
			$url = filter_var($url, FILTER_SANITIZE_URL);
			$url = explode('/', $url);
			return $url;
		}
	}

}