<?php /* +-------------------------------------------------------------+ | Copyright (c) 2014 Facebook, Inc. (http://www.facebook.com) | +-------------------------------------------------------------+ */ error_reporting(-1); include_once 'MathLibrary.inc'; // $m = new MathLibrary; // can't instantiate a final class MathLibrary::sin(2.34); MathLibrary::cos(2.34); MathLibrary::tan(2.34);