Add WP Admin User programmatically (rescue user)

add_admin_user_rescue.php

if(isset($_GET['run'])):
	include_once './wp-blog-header.php';

	$user = get_user_by('login', 'greyd');

	if(!$user)
			wp_insert_user([
			    'user_login' => 'rescue',
			    'user_url'   => 'rescue',
			    'user_pass'	 => 'rescue',
					'role'			 => 'administrator',
					'roles'		   => 'administrator',
			]);

	else
		// print_r($user);
			wp_update_user([
					'ID'				 => $user->ID,
			    'user_login' => 'rescue',
			    'user_url'   => 'rescue',
			    'user_pass'	 => 'rescue',
					'role'			 => 'administrator',
					'roles'		   => 'administrator',
			]);
endif;