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<?php class Foo { protected $foo; function __construct($foo) { $this->foo = $foo; } function modify($foo) { $o = clone $this; if (is_callable($o, '__construct')) { $o->__construct($foo); } return $o; } function getFoo() { return $this->foo; } } $f = new Foo("foo"); var_dump($f->getFoo()); var_dump($f->modify("bar"));
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "foo" object(Foo)#2 (1) { ["foo":protected]=> string(3) "foo" }

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