src/XSD2PHP/lib/ZF/1.10.7/Zend/Console/Getopt.php
protected function _parseShortOptionCluster(&$argv)
    {
        $flagCluster = ltrim(array_shift($argv), '-');
        foreach (str_split($flagCluster) as $flag) {
            $this->_parseSingleOption($flag, $argv);
        }
    }
protected function _parseShortOptionCluster(&$argv)
    {
        $flagCluster = ltrim(array_shift($argv), '-');
        foreach (str_split($flagCluster) as $flag) {
            $this->_parseSingleOption($flag, $argv);
        }
    }
Parse command-line arguments for short options.
Short options are those preceded by a single '-' character.
Short options may be clustered.

@param  mixed &$argv
@return void