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<?php class A { private $a; function __construct($a) { $this->a = $a; } public function getA() { return $this->a; } } class B extends A { function __construct() { parent::__construct('foo'); } } var_dump($b = new B); class C extends A { function __construct(A $a) { $a->a = 'bar'; $this->a = 'baz'; } } var_dump(new C($b)); var_dump($b->getA());
Output for git.master, git.master_jit, rfc.property-hooks
object(B)#1 (1) { ["a":"A":private]=> string(3) "foo" } Deprecated: Creation of dynamic property B::$a is deprecated in /in/5VPVV on line 25 Deprecated: Creation of dynamic property C::$a is deprecated in /in/5VPVV on line 26 object(C)#2 (2) { ["a":"A":private]=> NULL ["a"]=> string(3) "baz" } string(3) "foo"

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