serialize-unserialize-php-experiment.php

<?php

class Command {
    public $param1;
    public $param2;
    public $param3=2;
    public function getParam3(){
        return $this->param3;
    }
}

$var1 = new Command();
$var1->param1=123;
$var1->param2=234;
$var1->param3=456;

//print_r(serialize($var1));


$ob = unserialize('O:7:"Command":2:{s:6:"param1";i:123;s:6:"param2";i:234;}');
var_dump($ob->getParam3());
$ob = unserialize('O:7:"Command":3:{s:6:"param1";i:123;s:6:"param2";i:234;s:6:"param3";i:456;}');
var_dump($ob->getParam3());