52 lines
749 B
PHP
52 lines
749 B
PHP
--TEST--
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Self-referencing map entry GC - 004
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--FILE--
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<?php
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class Value {
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public function __construct(public readonly string $value) {
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}
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}
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$map = new WeakMap();
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$obj = new Value('a');
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$map[$obj] = [$map, $obj];
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$ref = WeakReference::create($map);
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gc_collect_cycles();
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var_dump($ref->get());
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gc_collect_cycles();
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// $map is first in the root buffer
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$map = null;
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$obj = null;
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gc_collect_cycles();
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var_dump($ref->get());
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?>
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--EXPECTF--
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object(WeakMap)#%d (1) {
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[0]=>
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array(2) {
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["key"]=>
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object(Value)#%d (1) {
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["value"]=>
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string(1) "a"
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}
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["value"]=>
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array(2) {
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[0]=>
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*RECURSION*
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[1]=>
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object(Value)#%d (1) {
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["value"]=>
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string(1) "a"
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}
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}
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}
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}
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NULL
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