ptarjan
36 linhas
525 B
PHP
36 linhas
525 B
PHP
<?php
|
|
|
|
class A {
|
|
public $x;
|
|
static $count = 0;
|
|
|
|
public function __construct() {
|
|
$this->x = ++self::$count;
|
|
}
|
|
|
|
public function __clone() {
|
|
$this->x = ++self::$count;
|
|
}
|
|
};
|
|
|
|
function main() {
|
|
$a = new A;
|
|
$a->y = "foo";
|
|
$b = clone $a;
|
|
$a->y = "bar";
|
|
var_dump($b);
|
|
|
|
|
|
class C {}
|
|
$ten = 10;
|
|
$d = new C();
|
|
$d->thing = &$ten;
|
|
unset($ten); // now the property is the only reference
|
|
|
|
var_dump($d);
|
|
$e = clone $d;
|
|
var_dump($d); // the reference doesn't persist across the clone
|
|
}
|
|
main();
|
|
|