Sample object and call for WordPress' functions.php file:

gistfile1.txt

class ParentFunctions {
	function setup() {
	// Cleverness goes here
	}
	
	
	/* Giddyup */
	public function ParentFunctions() {
		// Actions and filters:
		add_action( 'after_setup_theme', array( &$this, 'setup' ) );
	}
}

// Call our function and get the party started:
$reactive 	= new ParentFunctions();

?>