Cli::optionMerge PHP Метод

    protected function optionMerge($mergeKeys, $options)
    {
        if (!isset($options[$mergeKeys["short"]]) && !isset($options[$mergeKeys["long"]])) {
            $return = null;
        } elseif (isset($options[$mergeKeys["short"]]) && !isset($options[$mergeKeys["long"]])) {
            $return = $options[$mergeKeys["short"]];
        } elseif (!isset($options[$mergeKeys["short"]]) && isset($options[$mergeKeys["long"]])) {
            $return = $options[$mergeKeys["long"]];
        } elseif (is_array($options[$mergeKeys["short"]]) && !is_array($options[$mergeKeys["long"]])) {
            $return = $options[$mergeKeys["short"]];
            $return[] = $options[$mergeKeys["long"]];
        } elseif (!is_array($options[$mergeKeys["short"]]) && is_array($options[$mergeKeys["long"]])) {
            $return = $options[$mergeKeys["long"]];
            $return[] = $options[$mergeKeys["short"]];
        } elseif (!is_array($options[$mergeKeys["short"]]) && !is_array($options[$mergeKeys["long"]])) {
            $return = array($options[$mergeKeys["long"]], $options[$mergeKeys["short"]]);
        } elseif (is_array($options[$mergeKeys["short"]]) && is_array($options[$mergeKeys["long"]])) {
            $return = array_merge($options[$mergeKeys["long"]], $options[$mergeKeys["short"]]);
        }
        return $return;
    }