Composição horizontal PHP 5.3

gistfile1.aw

<?php

class TestComponent { }

class SomeClass extends CBehavior{
  public function add($x, $y) { return $x + $y; }
}

$test_comp = new TestComponent();
$test_comp->attachbehavior('blah', new SomeClass);
$test_comp->add(2, 5);