codebunch / silverstripe-user-management

src/Extension/MemberExtension.php

<?php
namespace UserManagement\Extension;

use SilverStripe\ORM\DataExtension;

/**
 * Class MemberExtension
 *
 * @package user-management
 */
class MemberExtension extends DataExtension
{
    /**
     * @var array
     */
    private static $db = array(

The private property $db is not used, and could be removed.

        "NickName" => "Varchar(255)",
        "Gender" => "Varchar(255)",
        "DOB" => "Date",
        "Mobile" => "Varchar(255)",
        "SecurityQuestion" => "Text",
        "SecurityAnswer" => "Text"
    );
}