1--TEST--
2foreach with Iterator.
3--FILE--
4<?php
5
6class MealIterator implements Iterator {
7	private $pos=0;
8	private $myContent=array("breakfast", "lunch", "dinner");
9
10	public function valid() {
11		global $indent;
12		echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
13		return $this->pos<3;
14	}
15
16	public function next() {
17		global $indent;
18		echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
19		return $this->myContent[$this->pos++];
20	}
21
22	public function rewind() {
23		global $indent;
24		echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
25		$this->pos=0;
26	}
27
28	public function current() {
29		global $indent;
30		echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
31		return $this->myContent[$this->pos];
32	}
33
34	public function key() {
35		global $indent;
36		echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
37		return "meal " . $this->pos;
38	}
39
40}
41
42$f = new MealIterator;
43var_dump($f);
44
45echo "-----( Simple iteration: )-----\n";
46foreach ($f as $k=>$v) {
47	echo "$k => $v\n";
48}
49
50$f->rewind();
51
52$indent = " ";
53
54echo "\n\n\n-----( Nested iteration: )-----\n";
55$count=1;
56foreach ($f as $k=>$v) {
57	echo "\nTop level "  .  $count++ . ": \n";
58	echo "$k => $v\n";
59	$indent = "     ";
60	foreach ($f as $k=>$v) {
61		echo "     $k => $v\n";
62	}
63	$indent = " ";
64
65}
66
67?>
68===DONE===
69--EXPECTF--
70object(MealIterator)#%d (2) {
71  ["pos":"MealIterator":private]=>
72  int(0)
73  ["myContent":"MealIterator":private]=>
74  array(3) {
75    [0]=>
76    string(9) "breakfast"
77    [1]=>
78    string(5) "lunch"
79    [2]=>
80    string(6) "dinner"
81  }
82}
83-----( Simple iteration: )-----
84--> MealIterator::rewind (0)
85--> MealIterator::valid (0)
86--> MealIterator::current (0)
87--> MealIterator::key (0)
88meal 0 => breakfast
89--> MealIterator::next (0)
90--> MealIterator::valid (1)
91--> MealIterator::current (1)
92--> MealIterator::key (1)
93meal 1 => lunch
94--> MealIterator::next (1)
95--> MealIterator::valid (2)
96--> MealIterator::current (2)
97--> MealIterator::key (2)
98meal 2 => dinner
99--> MealIterator::next (2)
100--> MealIterator::valid (3)
101--> MealIterator::rewind (3)
102
103
104
105-----( Nested iteration: )-----
106 --> MealIterator::rewind (0)
107 --> MealIterator::valid (0)
108 --> MealIterator::current (0)
109 --> MealIterator::key (0)
110
111Top level 1:
112meal 0 => breakfast
113     --> MealIterator::rewind (0)
114     --> MealIterator::valid (0)
115     --> MealIterator::current (0)
116     --> MealIterator::key (0)
117     meal 0 => breakfast
118     --> MealIterator::next (0)
119     --> MealIterator::valid (1)
120     --> MealIterator::current (1)
121     --> MealIterator::key (1)
122     meal 1 => lunch
123     --> MealIterator::next (1)
124     --> MealIterator::valid (2)
125     --> MealIterator::current (2)
126     --> MealIterator::key (2)
127     meal 2 => dinner
128     --> MealIterator::next (2)
129     --> MealIterator::valid (3)
130 --> MealIterator::next (3)
131
132Notice: Undefined offset: 3 in %s on line %d
133 --> MealIterator::valid (4)
134===DONE===
135