xref: /PHP-8.1/Zend/tests/gc_017.phpt (revision b58d7454)
1--TEST--
2GC 017: GC and destructors with unset
3--INI--
4zend.enable_gc=1
5--FILE--
6<?php
7class Node {
8    public $name;
9    public $children;
10    public $parent;
11    function __construct($name) {
12        $this->name = $name;
13        $this->parent = null;
14    }
15    function insert($node) {
16        $node->parent = $this;
17        $this->children[] = $node;
18    }
19    function __destruct() {
20        var_dump($this->name);
21        unset($this->name);
22        unset($this->children);
23        unset($this->parent);
24    }
25}
26$a = new Node('A');
27$b = new Node('B');
28$c = new Node('C');
29$a->insert($b);
30$a->insert($c);
31unset($a);
32unset($b);
33unset($c);
34var_dump(gc_collect_cycles());
35echo "ok\n"
36?>
37--EXPECTF--
38string(1) "%s"
39string(1) "%s"
40string(1) "%s"
41int(1)
42ok
43