Miscellany

<?phpclass Main{	function __construct()	{		$sub1 = new Sub1();		$sub2 = new Sub2();				$sub2->doSomething();	}}class Sub1{	function somethingElse()	{		// blah blah	}}class Sub2{	public function doSomething()	{		/// call a function in the $sub1 instance??? $sub1->somethingElse();??	}}?>