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--TEST--
Bug #67387: Circular references in SPL iterators are not garbage collected
--FILE--
<?php
$it = new ArrayIterator([1, 2, 3]);
// Inner.
$it[] = $it;
// Callback
$it2 = new CallbackFilterIterator($it, function($elem) use(&$it2) {
return true;
});
// Callback object
new class {
public function __construct() {
$it = new ArrayIterator([1, 2, 3]);
$this->it = new CallbackFilterIterator($it, function($elem) {
return true;
});
}
};
// Recursive callback
$it = new RecursiveArrayIterator([1, 2, 3]);
$it2 = new RecursiveCallbackFilterIterator($it, function($elem) use(&$it2) {
return true;
});
// Cache
$it = new ArrayIterator();
$it2 = new CachingIterator($it, CachingIterator::FULL_CACHE);
$it2['x'] = $it2;
$it2->next();
// Recursive cache
$it = new RecursiveArrayIterator();
$it2 = new RecursiveCachingIterator($it, CachingIterator::FULL_CACHE);
$it2['x'] = $it2;
$it2->next();
// Append
$it = new ArrayIterator();
$it2 = new AppendIterator();
$it[] = $it2;
$it2->append($it);
?>
===DONE===
--EXPECT--
===DONE===
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