FacebookController.php

<?php namespace MyApp\Controllers;

use \BaseController;

class FacebookControler extends BaseController
{

	/**
	* Facebook token manager
	*
	* @return mixed
	**/
	public function getFacebookToken( $response = null )
	{
		$fb = new \MyApp\Utils\Facebook();

		if ( isset($response) )
		{
			$result = $fb->parseTokenResult();

			return $result;
		}
		else
		{
			$url = fb->getLoginUrl([
				'manage_pages'
			]);

			return redirect( $url );
		}
	}
}