class Foo extends object {
	public function say_foo() {
		echo 'foo';
	}
}

class Bar {
	public function say_bar() {
		echo 'bar';
	}
	static public function test() {
		echo 'test';
	}
}

$foo = new Foo;
$foo->bind('Bar', 'strlen');

$foo->say_foo();
$foo->say_bar();
$foo->test();

echo $foo->strlen('hi');