protected function parse_not() {
		if ((($this->pos + 1) < $this->size) && ($this->doc[$this->pos + 1] === '=')) {
			++$this->pos;
			return ($this->token = self::TOK_COMPARE_NOT_EQUAL);
		} else {
			return ($this->token = self::TOK_NOT);
		}
	}
protected function parse_not() {
		if ((($this->pos + 1) < $this->size) && ($this->doc[$this->pos + 1] === '=')) {
			++$this->pos;
			return ($this->token = self::TOK_COMPARE_NOT_EQUAL);
		} else {
			return ($this->token = self::TOK_NOT);
		}
	}
protected function parse_not ( ) { if ( ( ( $ this -> pos + 1 ) < $ this -> size ) && ( $ this -> doc [ $ this -> pos + 1 ] === '=' ) ) { ++ $ this -> pos ; return ( $ this -> token = self :: TOK_COMPARE_NOT_EQUAL ) ; } else { return ( $ this -> token = self :: TOK_NOT ) ; } }
Parse "!" character
@internal Could be {@link TOK_NOT} or {@link TOK_COMPARE_NOT_EQUAL}
@return int
Parse ! character