WP Function to Create New Admin

<?php

// Replace Username, Password, and email@domain.com with your own values
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');

// Once you have logged in to your WordPress site, please edit the functions.php file and delete the code you added
// Deleting the code will not remove the user you added
?>