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
