Login via FTP.php

<?php
/**
 * Script to create administrator user in WordPress
 *
 * @package none
 * @link https://9seeds.com/creating-a-wordpress-user-when-you-dont-have-an-existing-admin-login-to-use/
 */

$dgs_password = 'fGNAj8ZDirz';
$dgs_username = 'digisavvy';
$dgs_email    = 'accounts@digisavvy.com';

if ( 'PASSWORD' === $dgs_password ) {
	die;
}

require_once 'wp-blog-header.php';

if ( ! username_exists( $dgs_username ) && ! email_exists( $dgs_email ) ) {

	$user_id = wp_create_user( $dgs_username, $dgs_password, $dgs_email );

	if ( is_int( $user_id ) ) {
		$wp_user_object = new WP_User( $user_id );
		$wp_user_object->set_role( 'administrator' );
		echo 'Success!';
	} else {
		echo 'Error with wp_insert_user. No users were created.';
	}
} else {

	echo 'This user or email already exists. Nothing was done.';

}