<?php

include 'ExampleClass.php';

$object = new stdClass;
$object->foo = 'bar';

$class = new ExampleClass();

$data = [
	'int'    => 123,
	'string' => 'foo',
	'bool'   => true,
	'object' => $object,
	'class'  => $class,
];

$serialized = serialize($data);

file_put_contents('serialized1.txt', $serialized);