xref: /PHP-7.3/Zend/tests/foreach_003.phpt (revision 97fe15db)
1--TEST--
2Iterator exceptions in foreach by value
3--FILE--
4<?php
5class IT implements Iterator {
6    private $n = 0;
7    private $count = 0;
8    private $trap = null;
9
10    function __construct($count, $trap = null) {
11    	$this->count = $count;
12    	$this->trap = $trap;
13    }
14
15    function trap($trap) {
16    	if ($trap === $this->trap) {
17    		throw new Exception($trap);
18    	}
19    }
20
21    function rewind()  {$this->trap(__FUNCTION__); $this->n = 0;}
22    function valid()   {$this->trap(__FUNCTION__); return $this->n < $this->count;}
23    function key()     {$this->trap(__FUNCTION__); return $this->n;}
24    function current() {$this->trap(__FUNCTION__); return $this->n;}
25    function next()    {$this->trap(__FUNCTION__); $this->n++;}
26}
27
28foreach(['rewind', 'valid', 'key', 'current', 'next'] as $trap) {
29	$obj = new IT(3, $trap);
30	try {
31		// IS_CV
32		foreach ($obj as $key => $val) echo "$val\n";
33	} catch (Exception $e) {
34		echo $e->getMessage() . "\n";
35	}
36	unset($obj);
37
38	try {
39		// IS_VAR
40		foreach (new IT(3, $trap) as $key => $val) echo "$val\n";
41	} catch (Exception $e) {
42		echo $e->getMessage() . "\n";
43	}
44
45	try {
46		// IS_TMP_VAR
47		foreach ((object)new IT(2, $trap) as $key => $val) echo "$val\n";
48	} catch (Exception $e) {
49		echo $e->getMessage() . "\n";
50	}
51}
52?>
53--EXPECT--
54rewind
55rewind
56rewind
57valid
58valid
59valid
60key
61key
62key
63current
64current
65current
660
67next
680
69next
700
71next
72