Codeigniter Method for Doctrine console

app_console.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

use Symfony\Component\Console\Input;

class app_console extends CI_Controller{
	public function __construct(){
		parent::__construct();
	}
	public function doctrine() {
		$this->load->database();
		$conn = array(
			"driver" => "pdo_mysql",
			"user" => $this->db->username,
			"password" => $this->db->password,
			"host" => $this->db->hostname,
			"port" => $this->db->port,
			"dbname" => $this->db->database,
			"charset" => $this->db->char_set
		);
		$this->load->library("Doctrine", $conn);
		$helperSet = \Doctrine\ORM\Tools\Console\ConsoleRunner::createHelperSet($this->doctrine->em);
		$cli = new Symfony\Component\Console\Application('Doctrine Command Line Interface', \Doctrine\ORM\Version::VERSION);
		$cli->setCatchExceptions(true);
		$cli->setHelperSet($helperSet);
		\Doctrine\ORM\Tools\Console\ConsoleRunner::addCommands($cli);
		
		$tash = array('trash');
		$params = func_get_args();
		$params = array_merge($tash, $params);
		$args2 = new \Symfony\Component\Console\Input\ArgvInput($params);
		$cli->run($args2);
	}
}