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@ 2014-08-04T19:51:59Z

<?php

class Foo {
  private $id;
  public function __construct() {
    $id = $used++;
  }
    public function getId() {
        return $id;
    }
}

$a = new Foo; // $a is a pointer pointing to Foo object 0
$b = $a; // $b is a pointer pointing to Foo object 0, however, $b is a copy of $a
unlink($a);
var_dump($b);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
unlink: documentation ( source)

preferences:dark modelive preview

33.77 ms | 402 KiB | 5 Q