private function _skipWs(int &$offset)
    {
        $idx = $offset;
        while ($idx < $this->_len) {
            if (" " != $this->_dn[$idx]) {
                break;
            }
            ++$idx;
        }
        $offset = $idx;
    }
private function _skipWs(int &$offset)
    {
        $idx = $offset;
        while ($idx < $this->_len) {
            if (" " != $this->_dn[$idx]) {
                break;
            }
            ++$idx;
        }
        $offset = $idx;
    }
private function _skipWs ( int & $ offset ) { $ idx = $ offset ; while ( $ idx < $ this -> _len ) { if ( " " != $ this -> _dn [ $ idx ] ) { break ; } ++ $ idx ; } $ offset = $ idx ; }
Skip consecutive spaces.

@param int $offset
Skip consecutive spaces .