Automatically create admin user

cameronjonesweb-create-admin.php

<?php
/**
 * Create an admin user
 */
function cameronjonesweb_create_admin_user() {
	$username = 'username';
	$password = 'password';
	$email    = 'email@example.com';
	
	if ( ! username_exists( $username )  && ! email_exists( $email ) ) {
		$user_id = wp_create_user( $username, $password, $email );
		$user    = new WP_User( $user_id );
		$user->set_role( 'administrator' );
	} 
}

add_action( 'init', 'cameronjonesweb_create_admin_user' );