« Swoole\Table::incr Swoole\Table::next » PHP Manual Swoole\Table Get the key of current row. Swoole\Table::key (PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0) Swoole\Table::key — Get the key of current row. 说明 public Swoole\Table::key ( void ) : string 参数 此函数没有参数。 返回值