<?php
/**
 * Mageplaza
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the mageplaza.com license that is
 * available through the world-wide-web at this URL:
 * https://mageplaza.com/LICENSE.txt
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade this extension to newer
 * version in the future.
 *
 * @category    Mageplaza
 * @package     Mageplaza_Smtp
 * @copyright   Copyright (c) 2017 Mageplaza (https://www.mageplaza.com/)
 * @license     http://mageplaza.com/LICENSE.txt
 */

namespace Mageplaza\Smtp\Model\Config\Source;

/**
 * Class Authentication
 * @package Mageplaza\Smtp\Model\Config\Source
 */
class Authentication implements \Magento\Framework\Option\ArrayInterface
{
	/**
	 * to option array
	 *
	 * @return array
	 */
	public function toOptionArray()
	{
		$options = [
			[
				'value' => 'plain',
				'label' => __('PLAIN')
			],
			[
				'value' => 'login',
				'label' => __('Login')
			],
			[
				'value' => 'cram-md5',
				'label' => __('CRAM-MD5')
			],
		];

		return $options;
	}
}