php-src/Zend/tests/gc_028.phpt
2020-02-03 22:52:20 +01:00

36 lines
583 B
PHP

--TEST--
GC 028: GC and destructors
--INI--
zend.enable_gc=1
--FILE--
<?php
class Foo {
public $bar;
function __destruct() {
if ($this->bar !== null) {
unset($this->bar);
}
}
}
class Bar {
public $foo;
function __destruct() {
if ($this->foo !== null) {
unset($this->foo);
}
}
}
$foo = new Foo();
$bar = new Bar();
$foo->bar = $bar;
$bar->foo = $foo;
unset($foo);
unset($bar);
var_dump(gc_collect_cycles());
var_dump(gc_collect_cycles());
?>
--EXPECT--
int(0)
int(1)