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<?php class foo { private $bar; private $baz; public function setBar($value) { $foo = new static; $foo->baz = $this->baz; $foo->bar = $value; return $foo; } public function setBaz($value) { $foo = new static; $foo->bar = $this->bar; $foo->baz = $value; return $foo; } } $f = new Foo(); $g = $f->setBar('123'); $h = $f->setBaz('456'); var_dump($f, $g, $h);
Output for git.master, git.master_jit, rfc.property-hooks
object(foo)#1 (2) { ["bar":"foo":private]=> NULL ["baz":"foo":private]=> NULL } object(foo)#2 (2) { ["bar":"foo":private]=> string(3) "123" ["baz":"foo":private]=> NULL } object(foo)#3 (2) { ["bar":"foo":private]=> NULL ["baz":"foo":private]=> string(3) "456" }

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