xref: /PHP-5.4/ext/spl/tests/iterator_039.phpt (revision 610c7fbe)
1--TEST--
2SPL: LimitIterator and backward seeking
3--FILE--
4<?php
5
6class NumericArrayIterator implements Iterator
7{
8	protected $a;
9	protected $i = 0;
10
11	public function __construct($a)
12	{
13		echo __METHOD__ . "\n";
14		$this->a = $a;
15	}
16
17	public function valid()
18	{
19		echo __METHOD__ . "\n";
20		return $this->i < count($this->a);
21	}
22
23	public function rewind()
24	{
25		echo __METHOD__ . "\n";
26		$this->i = 0;
27	}
28
29	public function key()
30	{
31		echo __METHOD__ . "\n";
32		return $this->i;
33	}
34
35	public function current()
36	{
37		echo __METHOD__ . "\n";
38		return $this->a[$this->i];
39	}
40
41	public function next()
42	{
43		echo __METHOD__ . "\n";
44		$this->i++;
45	}
46}
47
48$it = new LimitIterator(new NumericArrayIterator(array(12, 25, 42, 56)));
49
50foreach($it as $k => $v)
51{
52	var_dump($k);
53	var_dump($v);
54}
55
56echo "===SEEK===\n";
57
58$it->seek(2);
59
60echo "===LOOP===\n";
61
62foreach(new NoRewindIterator($it) as $k => $v)
63{
64	var_dump($k);
65	var_dump($v);
66}
67
68?>
69===DONE===
70<?php exit(0); ?>
71--EXPECT--
72NumericArrayIterator::__construct
73NumericArrayIterator::rewind
74NumericArrayIterator::valid
75NumericArrayIterator::valid
76NumericArrayIterator::current
77NumericArrayIterator::key
78int(0)
79int(12)
80NumericArrayIterator::next
81NumericArrayIterator::valid
82NumericArrayIterator::current
83NumericArrayIterator::key
84int(1)
85int(25)
86NumericArrayIterator::next
87NumericArrayIterator::valid
88NumericArrayIterator::current
89NumericArrayIterator::key
90int(2)
91int(42)
92NumericArrayIterator::next
93NumericArrayIterator::valid
94NumericArrayIterator::current
95NumericArrayIterator::key
96int(3)
97int(56)
98NumericArrayIterator::next
99NumericArrayIterator::valid
100===SEEK===
101NumericArrayIterator::rewind
102NumericArrayIterator::valid
103NumericArrayIterator::next
104NumericArrayIterator::valid
105NumericArrayIterator::next
106NumericArrayIterator::valid
107NumericArrayIterator::valid
108NumericArrayIterator::current
109NumericArrayIterator::key
110===LOOP===
111int(2)
112int(42)
113NumericArrayIterator::next
114NumericArrayIterator::valid
115NumericArrayIterator::current
116NumericArrayIterator::key
117int(3)
118int(56)
119NumericArrayIterator::next
120NumericArrayIterator::valid
121===DONE===
122