Loading configuration arrays from another file

class.php

<?php

class Foo
{
	protected $_settings = array();

	public function __construct()
	{
		$this->_settings = include 'config.php';
	}

	public function getSettings()
	{
		return $this->_settings;
	}
}

config.php

<?php

return array(
	'a' => 'aye',
	'b' => 'bee',
	'c' => 'see'
);