xref: /PHP-7.3/tests/classes/iterators_002.phpt (revision 782352c5)
1--TEST--
2ZE2 iterators and break
3--FILE--
4<?php
5class c_iter implements Iterator {
6
7	private $obj;
8	private $num = 0;
9
10	function __construct($obj) {
11		echo __METHOD__ . "\n";
12		$this->obj = $obj;
13	}
14	function rewind() {
15		echo __METHOD__ . "\n";
16		$this->num = 0;
17	}
18	function valid() {
19		$more = $this->num < $this->obj->max;
20		echo __METHOD__ . ' = ' .($more ? 'true' : 'false') . "\n";
21		return $more;
22	}
23	function current() {
24		echo __METHOD__ . "\n";
25		return $this->num;
26	}
27	function next() {
28		echo __METHOD__ . "\n";
29		$this->num++;
30	}
31	function key() {
32		echo __METHOD__ . "\n";
33		switch($this->num) {
34			case 0: return "1st";
35			case 1: return "2nd";
36			case 2: return "3rd";
37			default: return "???";
38		}
39	}
40	function __destruct() {
41		echo __METHOD__ . "\n";
42	}
43}
44
45class c implements IteratorAggregate {
46
47	public $max = 3;
48
49	function getIterator() {
50		echo __METHOD__ . "\n";
51		return new c_iter($this);
52	}
53	function __destruct() {
54		echo __METHOD__ . "\n";
55	}
56}
57
58$t = new c();
59
60foreach($t as $k => $v) {
61	foreach($t as $w) {
62		echo "double:$v:$w\n";
63		break;
64	}
65}
66
67unset($t);
68
69print "Done\n";
70?>
71--EXPECT--
72c::getIterator
73c_iter::__construct
74c_iter::rewind
75c_iter::valid = true
76c_iter::current
77c_iter::key
78c::getIterator
79c_iter::__construct
80c_iter::rewind
81c_iter::valid = true
82c_iter::current
83double:0:0
84c_iter::__destruct
85c_iter::next
86c_iter::valid = true
87c_iter::current
88c_iter::key
89c::getIterator
90c_iter::__construct
91c_iter::rewind
92c_iter::valid = true
93c_iter::current
94double:1:0
95c_iter::__destruct
96c_iter::next
97c_iter::valid = true
98c_iter::current
99c_iter::key
100c::getIterator
101c_iter::__construct
102c_iter::rewind
103c_iter::valid = true
104c_iter::current
105double:2:0
106c_iter::__destruct
107c_iter::next
108c_iter::valid = false
109c_iter::__destruct
110c::__destruct
111Done
112