public function addOption($short, $long, $arg, $description)
    {
        $this->parameters[] = array(
            $short,
            $long,
            $arg,
            $description
        );
        return $this;
    }
public function addOption($short, $long, $arg, $description)
    {
        $this->parameters[] = array(
            $short,
            $long,
            $arg,
            $description
        );
        return $this;
    }
public function addOption ( $ short , $ long , $ arg , $ description ) { $ this -> parameters [ ] = array ( $ short , $ long , $ arg , $ description ) ; return $ this ; }
Register a valid option
@param $short string The single character version of this option
@param $long string The long form of this option
@param $arg string The name/type of parameter, shown in the help text. Set to false to disable the argument
@param $description string The description of this option, shown in the help text.
Register a valid option