src/Command.php
public function option(string $name)
    {
        if (!array_key_exists($name, $this->options))
            throw new \InvalidArgumentException("Unknown option '{$name}'");
        return $this->options[$name];
    }
public function option(string $name)
    {
        if (!array_key_exists($name, $this->options))
            throw new \InvalidArgumentException("Unknown option '{$name}'");
        return $this->options[$name];
    }
public function option ( string $ name ) { if ( ! array_key_exists ( $ name , $ this -> options ) ) throw new \ InvalidArgumentException ( "Unknown option '{$name}'" ) ; return $ this -> options [ $ name ] ; }
option getter.

@param  string
@return mixed
option getter .