adminer/adminer/sqlite.php

<?php
function adminer_object() {
	include_once "../plugins/plugin.php";
	include_once "../plugins/login-password-less.php";
	return new AdminerPlugin(array(
		// TODO: inline the result of password_hash() so that the password is not visible in source codes
		new AdminerLoginPasswordLess(password_hash("YOUR_PASSWORD_HERE", PASSWORD_DEFAULT)),
	));
}

include "./index.php";