Edit file File name : OsHelper.php Content :<?php namespace Api\V8\Helper; /** * Class OsHelper */ class OsHelper { const OS_WINDOWS = 'WINDOWS'; const OS_LINUX = 'LINUX'; const OS_OSX = 'OSX'; /** * @return string * * @throws \RuntimeException When unable to determine OS. */ public static function getOS() { switch (true) { case stristr(PHP_OS, 'DAR'): return self::OS_OSX; case stristr(PHP_OS, 'WIN'): return self::OS_WINDOWS; case stristr(PHP_OS, 'LINUX'): return self::OS_LINUX; default: throw new \RuntimeException('Unable to determine OS'); } } } Save