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<?php class Foo { private $priv; private static function set(self $instance, $name, $value) { $instance->$name = $value; } public function __construct(self $instance = null) { $name = 'priv'; $value = 'dafuq'; if ($instance) { self::set($instance, $name, $value); $instance->$name = $value; } } } $a = new Foo; $b = new Foo($a); var_dump($a, $b);
Output for git.master, git.master_jit, rfc.property-hooks
object(Foo)#1 (1) { ["priv":"Foo":private]=> string(5) "dafuq" } object(Foo)#2 (1) { ["priv":"Foo":private]=> NULL }

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