xref: /PHP-8.1/ext/spl/tests/gh11972.phpt (revision 1cdcbc05)
1--TEST--
2GH-11972 (RecursiveCallbackFilterIterator regression in 8.1.18)
3--EXTENSIONS--
4spl
5--FILE--
6<?php
7
8class RecursiveFilterTest {
9    public function traverse(array $variables): array {
10        $array_iterator = new \RecursiveArrayIterator($variables);
11        $filter_iterator = new \RecursiveCallbackFilterIterator($array_iterator, [
12            $this, 'isCyclic',
13        ]);
14        $recursive_iterator = new \RecursiveIteratorIterator($filter_iterator, \RecursiveIteratorIterator::SELF_FIRST);
15        $recursive_iterator->setMaxDepth(20);
16        foreach ($recursive_iterator as $value) {
17            // Avoid recursion by marking where we've been.
18            $value['#override_mode_breadcrumb'] = true;
19        }
20        return \iterator_to_array($recursive_iterator);
21    }
22
23    public function isCyclic($current, string $key, \RecursiveArrayIterator $iterator): bool {
24        var_dump($current);
25        if (!is_array($current)) {
26            return false;
27        }
28        // Avoid infinite loops by checking if we've been here before.
29        // e.g. View > query > view > query ...
30        if (isset($current['#override_mode_breadcrumb'])) {
31            return false;
32        }
33        return true;
34    }
35}
36
37$test_array['e']['p'][] = ['a', 'a'];
38$test_array['e']['p'][] = ['b', 'b'];
39$test_array['e']['p'][] = ['c', 'c'];
40$serialized = serialize($test_array);
41$unserialized = unserialize($serialized);
42
43$test_class = new RecursiveFilterTest();
44$test_class->traverse($unserialized);
45
46echo "Done\n";
47
48?>
49--EXPECT--
50array(1) {
51  ["p"]=>
52  array(3) {
53    [0]=>
54    array(2) {
55      [0]=>
56      string(1) "a"
57      [1]=>
58      string(1) "a"
59    }
60    [1]=>
61    array(2) {
62      [0]=>
63      string(1) "b"
64      [1]=>
65      string(1) "b"
66    }
67    [2]=>
68    array(2) {
69      [0]=>
70      string(1) "c"
71      [1]=>
72      string(1) "c"
73    }
74  }
75}
76array(3) {
77  [0]=>
78  array(2) {
79    [0]=>
80    string(1) "a"
81    [1]=>
82    string(1) "a"
83  }
84  [1]=>
85  array(2) {
86    [0]=>
87    string(1) "b"
88    [1]=>
89    string(1) "b"
90  }
91  [2]=>
92  array(2) {
93    [0]=>
94    string(1) "c"
95    [1]=>
96    string(1) "c"
97  }
98}
99array(2) {
100  [0]=>
101  string(1) "a"
102  [1]=>
103  string(1) "a"
104}
105string(1) "a"
106string(1) "a"
107array(2) {
108  [0]=>
109  string(1) "b"
110  [1]=>
111  string(1) "b"
112}
113string(1) "b"
114string(1) "b"
115array(2) {
116  [0]=>
117  string(1) "c"
118  [1]=>
119  string(1) "c"
120}
121string(1) "c"
122string(1) "c"
123array(1) {
124  ["p"]=>
125  array(3) {
126    [0]=>
127    array(2) {
128      [0]=>
129      string(1) "a"
130      [1]=>
131      string(1) "a"
132    }
133    [1]=>
134    array(2) {
135      [0]=>
136      string(1) "b"
137      [1]=>
138      string(1) "b"
139    }
140    [2]=>
141    array(2) {
142      [0]=>
143      string(1) "c"
144      [1]=>
145      string(1) "c"
146    }
147  }
148}
149array(3) {
150  [0]=>
151  array(2) {
152    [0]=>
153    string(1) "a"
154    [1]=>
155    string(1) "a"
156  }
157  [1]=>
158  array(2) {
159    [0]=>
160    string(1) "b"
161    [1]=>
162    string(1) "b"
163  }
164  [2]=>
165  array(2) {
166    [0]=>
167    string(1) "c"
168    [1]=>
169    string(1) "c"
170  }
171}
172array(2) {
173  [0]=>
174  string(1) "a"
175  [1]=>
176  string(1) "a"
177}
178string(1) "a"
179string(1) "a"
180array(2) {
181  [0]=>
182  string(1) "b"
183  [1]=>
184  string(1) "b"
185}
186string(1) "b"
187string(1) "b"
188array(2) {
189  [0]=>
190  string(1) "c"
191  [1]=>
192  string(1) "c"
193}
194string(1) "c"
195string(1) "c"
196Done
197