ext/spl/tests/iterator_002.phpt


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
47
48
49
50
51
52

--TEST--
SPL: Iterator using getInnerIterator
--FILE--
<?php

class RecursiceArrayIterator extends ArrayIterator implements RecursiveIterator
{
    function hasChildren()
    {
        return is_array($this->current());
    }

    function getChildren()
    {
        return new RecursiceArrayIterator($this->current());
    }
}

class CrashIterator extends FilterIterator implements RecursiveIterator
{
    function accept()
    {
        return true;
    }

    function hasChildren()
    {
        return $this->getInnerIterator()->hasChildren();
    }

    function getChildren()
    {
        return new RecursiceArrayIterator($this->getInnerIterator()->current());
    }
}

$array = array(1, 2 => array(21, 22 => array(221, 222), 23 => array(231)), 3);

$dir = new RecursiveIteratorIterator(new CrashIterator(new RecursiceArrayIterator($array)), RecursiveIteratorIterator::LEAVES_ONLY);

foreach ($dir as $file) {
    print "$file\n";
}

?>
--EXPECT--
1
21
221
222
231
3