closure-bind-to.php

<?php

class Dto
{
    public $foo;
    public $bar;
    public $baz;
}

class Obj
{
    protected $foo = 'foo';
    protected $bar = 'bar';
    public function getFoo() {return $this->foo;}
    public function getBar() {return $this->bar;}
}

$obj = new Obj();

$getter = function () {
    return get_object_vars($this);
};

$getVars = $getter->bindTo($obj, $obj);

var_dump( get_object_vars($obj));
var_dump($getVars());