Calling closure assigned to object property directly

Question

I would like to be able to call a closure that I assign to an object\'s property directly without reassigning the closure to a variable and then calling it. Is this possible

Answer 1

If you're using PHP 5.4 or above you could bind a callable to the scope of your object to invoke custom behavior. So for example if you were to have the following set up..

function run_method($object, Closure $method)
{
    $prop = uniqid();
    $object->$prop = \Closure::bind($method, $object, $object);
    $object->$prop->__invoke();
    unset($object->$prop);
}

And you were operating on a class like so..

class Foo
{
    private $value;
    public function getValue()
    {
        return $this->value;
    }
}

You could run your own logic as if you were operating from within the scope of your object

$foo = new Foo();
run_method($foo, function(){
    $this->value = 'something else';
});

echo $foo->getValue(); // prints "something else"