miniMVC/modules/welcome/controllers/welcome.php

<?php

class Welcome extends MM_Controller {

	function __construct()
	{
		parent::__construct();
	
	}
	
	function index()
	{
		$output = $this->page->set_message('info', "This is just a test message", TRUE);
		$this->page->output_string($output);
	}
	
	function php()
	{
		ob_start();
		phpinfo();
		$output = ob_get_contents();
		ob_end_clean();
		
		$this->output->set_output($output);
	}
}