public function addOptions(array $options) : Getopt
    {
        if (!empty($this->options)){
            $this->options = array_merge($this->options, $options);
        }
        else{
            $this->options = $options;
        }
        return $this;
    }
public function addOptions(array $options) : Getopt
    {
        if (!empty($this->options)){
            $this->options = array_merge($this->options, $options);
        }
        else{
            $this->options = $options;
        }
        return $this;
    }
public function addOptions ( array $ options ) : Getopt { if ( ! empty ( $ this -> options ) ) { $ this -> options = array_merge ( $ this -> options , $ options ) ; } else { $ this -> options = $ options ; } return $ this ; }
Add short options

@param array $options

@return Getopt
Add short options