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| 1 | +--TEST-- |
| 2 | +GH-11972 (RecursiveCallbackFilterIterator regression in 8.1.18) |
| 3 | +--EXTENSIONS-- |
| 4 | +spl |
| 5 | +--FILE-- |
| 6 | +<?php |
| 7 | + |
| 8 | +class 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 | + |
| 46 | +echo "Done\n"; |
| 47 | + |
| 48 | +?> |
| 49 | +--EXPECT-- |
| 50 | +array(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 | +} |
| 76 | +array(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 | +} |
| 99 | +array(2) { |
| 100 | + [0]=> |
| 101 | + string(1) "a" |
| 102 | + [1]=> |
| 103 | + string(1) "a" |
| 104 | +} |
| 105 | +string(1) "a" |
| 106 | +string(1) "a" |
| 107 | +array(2) { |
| 108 | + [0]=> |
| 109 | + string(1) "b" |
| 110 | + [1]=> |
| 111 | + string(1) "b" |
| 112 | +} |
| 113 | +string(1) "b" |
| 114 | +string(1) "b" |
| 115 | +array(2) { |
| 116 | + [0]=> |
| 117 | + string(1) "c" |
| 118 | + [1]=> |
| 119 | + string(1) "c" |
| 120 | +} |
| 121 | +string(1) "c" |
| 122 | +string(1) "c" |
| 123 | +array(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 | +} |
| 149 | +array(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 | +} |
| 172 | +array(2) { |
| 173 | + [0]=> |
| 174 | + string(1) "a" |
| 175 | + [1]=> |
| 176 | + string(1) "a" |
| 177 | +} |
| 178 | +string(1) "a" |
| 179 | +string(1) "a" |
| 180 | +array(2) { |
| 181 | + [0]=> |
| 182 | + string(1) "b" |
| 183 | + [1]=> |
| 184 | + string(1) "b" |
| 185 | +} |
| 186 | +string(1) "b" |
| 187 | +string(1) "b" |
| 188 | +array(2) { |
| 189 | + [0]=> |
| 190 | + string(1) "c" |
| 191 | + [1]=> |
| 192 | + string(1) "c" |
| 193 | +} |
| 194 | +string(1) "c" |
| 195 | +string(1) "c" |
| 196 | +Done |
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