_config.php

<?php

/**
 * Default EmailVerifiedMember extends Member class, alter line below if you would only like to extend particular sub-classes.
 */
DataObject::add_extension('Member', 'EmailVerifiedMember');

/**
 * Alter the Silverstripe Login Forms
 */
Authenticator::register('EmailVerifiedMemberAuthenticator');
Authenticator::unregister('MemberAuthenticator');

/**
 * Alter the Security Controller 
 */
Object::add_extension('Security', 'EmailVerifiedSecurity');

/**
 * Alter Site Config
 */
Object::add_extension('SiteConfig', 'EmailVerifiedMemberSiteConfig');

// ContentController includes Method LoginForm() to use $LoginForm anywhere inside your Templates
// this method needs to be overwritten in Page_Controller
//public function LoginForm() {
//  return EmailVerifiedMemberAuthenticator::get_login_form($this);
//}