private function advanceToken()
    {
        if (!($this->tokenIs(T_WHITESPACE) || $this->tokenIs(T_DOC_COMMENT))) {
            $this->prevToken = $this->token;
        }
        $this->token = next($this->tokens);
    }
private function advanceToken()
    {
        if (!($this->tokenIs(T_WHITESPACE) || $this->tokenIs(T_DOC_COMMENT))) {
            $this->prevToken = $this->token;
        }
        $this->token = next($this->tokens);
    }
private function advanceToken ( ) { if ( ! ( $ this -> tokenIs ( T_WHITESPACE ) || $ this -> tokenIs ( T_DOC_COMMENT ) ) ) { $ this -> prevToken = $ this -> token ; } $ this -> token = next ( $ this -> tokens ) ; }
Move one token ahead.

@return void
Move one token ahead .