Example Kohana CLI Task

Mailer.php

<?php defined('SYSPATH') OR die('No direct script access.');
/**
 * Example...
 * 
 * @package    Kohana/CLI
 * @category   Task
 * @author     Kohana Team
 * @copyright  (c) 2013-2014 Kohana Team
 * @license    http://kohanaframework.org/license
 */
class CLI_Task_Mailer extends CLI_Task {

	/**
	 * Send mails.
	 *
	 * @return void
	 */
	protected function action()
	{
		$mail = Mail::factory('...')->subject('...')->body('...')->from('..');
		$users = ORM::factory('User')->find_all();
		foreach ($users as $user)
		{
			$mail->to($user->email)->send();
		}
	}
}