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c9dfb77446
Supporting object reset while its properties are being iterated would increase complexity for little benefit. Furthermore it may not be possible to ensure a consistent behavior between ghosts and proxies (wrt to iteration position). Iteration is detected by checking if the object's properties ht has iterators. This requires refactoring the hooked get_iterator() implementation to ensure that it creates a properties ht iterator immediately. Closes GH-15960
175 lines
3.2 KiB
PHP
175 lines
3.2 KiB
PHP
--TEST--
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Lazy objects: Foreach initializes object
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--FILE--
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<?php
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#[AllowDynamicProperties]
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class C {
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public int $a;
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private int $_b;
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public int $b {
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&get { $ref = &$this->_b; return $ref; }
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}
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public function __construct(bool $addDynamic = true) {
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var_dump(__METHOD__);
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$this->a = 1;
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$this->_b = 2;
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if ($addDynamic) {
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$this->c = 3;
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$this->d = 4;
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unset($this->c);
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}
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}
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}
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$reflector = new ReflectionClass(C::class);
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function test(string $name, object $obj) {
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printf("# %s:\n", $name);
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foreach ($obj as $prop => $value) {
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var_dump($prop, $value);
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}
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foreach ($obj as $prop => &$value) {
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var_dump($prop, $value);
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}
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}
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$obj = $reflector->newLazyGhost(function ($obj) {
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var_dump("initializer");
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$obj->__construct();
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});
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test('Ghost', $obj);
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$obj = $reflector->newLazyProxy(function ($obj) {
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var_dump("initializer");
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return new C();
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});
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test('Proxy', $obj);
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$obj = $reflector->newLazyGhost(function ($obj) {
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var_dump("initializer");
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$obj->__construct(addDynamic: false);
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});
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test('Ghost (no dynamic)', $obj);
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$obj = $reflector->newLazyProxy(function ($obj) {
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var_dump("initializer");
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return new C(addDynamic: false);
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});
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test('Proxy (no dynamic)', $obj);
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print "# Proxy of proxy (initialization)\n";
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$obj = $reflector->newLazyProxy(function ($obj) use (&$obj2, $reflector) {
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var_dump("initializer");
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return $obj2 = new C();
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});
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$reflector->initializeLazyObject($obj);
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$reflector->resetAsLazyProxy($obj2, function () {
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return new C();
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});
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test('Proxy of proxy', $obj);
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print "# Ghost (init exception):\n";
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$obj = $reflector->newLazyGhost(function ($obj) {
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throw new \Exception("initializer");
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});
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try {
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var_dump(json_encode($obj));
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} catch (\Exception $e) {
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printf("%s: %s\n", $e::class, $e->getMessage());
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}
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print "# Proxy (init exception):\n";
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$obj = $reflector->newLazyProxy(function ($obj) {
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throw new \Exception("initializer");
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});
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try {
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var_dump(json_encode($obj));
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} catch (\Exception $e) {
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printf("%s: %s\n", $e::class, $e->getMessage());
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}
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--EXPECT--
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# Ghost:
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string(11) "initializer"
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string(14) "C::__construct"
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "d"
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int(4)
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "d"
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int(4)
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# Proxy:
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string(11) "initializer"
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string(14) "C::__construct"
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "d"
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int(4)
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "d"
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int(4)
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# Ghost (no dynamic):
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string(11) "initializer"
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string(14) "C::__construct"
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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# Proxy (no dynamic):
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string(11) "initializer"
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string(14) "C::__construct"
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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# Proxy of proxy (initialization)
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string(11) "initializer"
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string(14) "C::__construct"
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# Proxy of proxy:
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string(14) "C::__construct"
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "d"
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int(4)
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string(1) "a"
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int(1)
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string(1) "b"
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int(2)
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string(1) "d"
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int(4)
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# Ghost (init exception):
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Exception: initializer
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# Proxy (init exception):
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Exception: initializer
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