...eption('Not specified any query SQL or db table'); } $sql = 'SELECT * FROM ' . $param['table']; } elseif (preg_match('/ limit\s+(\d+)(?:\s*,\s*(\d+)|\s+offset\s+(\d+))?\s*$/i', $sql, $match)) { if (isset($match[3])) { // LIMIT xxx OFFSET yyy $this->offset = intval...
... $wfds = $xfds = array(); $rfds = array($this->_sock); $res = stream_select($rfds, $wfds, $xfds, 0, 0); return $res > 0;} 判断服务端是否有可读数据 用于某些特别情况在 getRespond 前先调用和判断, 以免阻塞 open() 方法 public void open(mixed $conn)...