WordPress at a glance
function is not described

_delete_option_fresh_site() WP 4.7.0

Delete the fresh site option.

No Hooks.

Return

Nothing (null).

Usage

_delete_option_fresh_site();

Code of delete option fresh site: wp-includes/functions.php VER 5.0.3

<?php
function _delete_option_fresh_site() {
	update_option( 'fresh_site', '0' );
}