{}
<?php
class Counter {
private $value;
function __construct($value) {
$this->value = $value;
}
function increment($value) {
$clone = clone $this;
$clone->value += $value;
return $clone;
}
}
$counter = new Counter(2);
var_dump($counter);
// object(Foo)#1 (1) {
// ["bar":"Foo":private]=>
// int(2)
// }
$clone = $counter->increment(10);
var_dump($clone);
// object(Foo)#2 (1) {
// ["bar":"Foo":private]=>
// int(12)
// }