Casting object to array - any magic method being called?

Question

I have an object of class Foo:

class Foo extends Bar {
    protected $a;
    protected $b;
}

$obj = new Foo();

What I want (and have) to d

Answer 1

One way to do this, without changing the original class definition is to use reflection. This allows to you examine the class's properties at runtime.

Taken from the manual: http://www.php.net/manual/en/reflectionclass.getproperties.php

getProperties(ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PROTECTED);

foreach ($props as $prop) {
    print $prop->getName() . "\n";
}

var_dump($props);

?>

The above example will output something similar to:
foo
bar
array(2) {
  [0]=>
  object(ReflectionProperty)#3 (2) {
    ["name"]=>
    string(3) "foo"
    ["class"]=>
    string(3) "Foo"
  }
  [1]=>
  object(ReflectionProperty)#4 (2) {
    ["name"]=>
    string(3) "bar"
    ["class"]=>
    string(3) "Foo"
  }
}