Add admin user to WordPress site via FTP

add_admin_user_via_ftp.php

// Add this to the the functions.php inside your active theme's directory ie: wp-content/themes/twentyseventeen/functions.php
// Not sure what your active theme is? You should be able to figure that out by viewing the source, and looking at the stylesheet.

function wpb_admin_account(){
$user = 'username';
$pass = 'password';
$email = 'email@domain.com';
if ( !username_exists( $user )  && !email_exists( $email ) ) {
$user_id = wp_create_user( $user, $pass, $email );
$user = new WP_User( $user_id );
$user->set_role( 'administrator' );
} }
add_action('init','wpb_admin_account');