1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
--TEST--
SPL: RecursiveIteratorIterator with custom iterator class
--FILE--
<?php
$ar = array(1, 2, array(31, 32, array(331)), 4);
foreach(new RecursiveIteratorIterator(new ArrayObject($ar, 0, "RecursiveArrayIterator")) as $v) echo "$v\n";
$it = new ArrayObject($ar);
var_dump($it->getIteratorClass());
try
{
foreach(new RecursiveIteratorIterator(new ArrayObject($ar)) as $v) echo "$v\n";
}
catch (InvalidArgumentException $e)
{
echo $e->getMessage() . "\n";
}
echo "===MANUAL===\n";
$it->setIteratorClass("RecursiveArrayIterator");
var_dump($it->getIteratorClass());
foreach(new RecursiveIteratorIterator($it) as $v) echo "$v\n";
?>
--EXPECT--
1
2
31
32
331
4
string(13) "ArrayIterator"
An instance of RecursiveIterator or IteratorAggregate creating it is required
===MANUAL===
string(22) "RecursiveArrayIterator"
1
2
31
32
331
4
|
