_parseArgs example

/** * The rm command for removing files. * Supports multiple files and dirs and also recursive deletes * * @param string $args the arguments for rm * @return mixed PEAR_Error or true for success * @static * @access public */
    public static function rm($args)
    {
        $opts = System::_parseArgs($args, 'rf'); // "f" does nothing but I like it :-)         if (PEAR::isError($opts)) {
            return System::raiseError($opts);
        }
        foreach ($opts[0] as $opt) {
            if ($opt[0] == 'r') {
                $do_recursive = true;
            }
        }
        $ret = true;
        if (isset($do_recursive)) {
            $struct = System::_multipleToStruct($opts[1]);