public function & get($argname)
    {
        if ($this->has($argname)) {
            return $this->values[$argname];
        }
        throw new OutOfRangeException(sprintf('Argument %s does not exist.', $argname));
    }
public function & get($argname)
    {
        if ($this->has($argname)) {
            return $this->values[$argname];
        }
        throw new OutOfRangeException(sprintf('Argument %s does not exist.', $argname));
    }
public function & get ( $ argname ) { if ( $ this -> has ( $ argname ) ) { return $ this -> values [ $ argname ] ; } throw new OutOfRangeException ( sprintf ( 'Argument %s does not exist.' , $ argname ) ) ; }
Get reference of an argument.
@param  string $argname
@return mixed
@throws \OutOfRangeException If the argument is not set
Get reference of an argument .