From http://stackoverflow.com/questions/1385429/howto-chain-objects-in-php5-this-foo-bar-baz

new_gist_file_0

class foo {
   public $bar;
}

class bar {
    public function hello() {
       return "hello world";
    }
}

$myclass = new foo();
$myclass->bar = new bar();
print $myclass->bar->hello();