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<?php class Foo { private DateTimeImmutable $bar; private ?string $foo; public function getBar(): DateTimeImmutable { return $this->bar ??= new DateTimeImmutable(); } public function getFoo(): ?string { return $this->foo ??= null; } public function setFoo(string $foo): self { $this->foo = $foo; return $this; } } $foo = new Foo(); var_dump($foo->getBar()); var_dump($foo->getBar()); var_dump($foo->getFoo()); $foo->setFoo('test'); var_dump($foo->getFoo());
Output for git.master
object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-03 09:39:38.003911" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-03 09:39:38.003911" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } NULL string(4) "test"
Output for git.master_jit
object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-03 09:39:38.003729" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-03 09:39:38.003729" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } NULL string(4) "test"
Output for rfc.property-hooks
object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-03 09:39:38.003562" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2019-12-03 09:39:38.003562" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } NULL string(4) "test"

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