File size: 966 Bytes
1e94262 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | --TEST--
Bug #39297 (Memory corruption because of indirect modification of overloaded array)
--FILE--
<?php
function compareByRef(&$first, &$second) {
return $first === $second;
}
class MyTree implements ArrayAccess {
public $parent;
public $children = array();
public function offsetExists($offset): bool {
}
public function offsetUnset($offset): void {
}
public function offsetSet($offset, $value): void {
echo "offsetSet()\n";
$canonicalName = strtolower($offset);
$this->children[$canonicalName] = $value;
$value->parent = $this;
}
public function offsetGet($offset): mixed {
echo "offsetGet()\n";
$canonicalName = strtolower($offset);
return $this->children[$canonicalName];
}
}
$id = 'Test';
$root = new MyTree();
$child = new MyTree();
$root[$id] = $child;
var_dump(compareByRef($root[$id], $child));
?>
--EXPECT--
offsetSet()
offsetGet()
bool(true)
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