Swoole\Table::exist
(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)
Swoole\Table::exist — Check if a row is existed by $row_key.
说明
public Swoole\Table::exist
( string
$key
) : boolean
参数
-
key -
返回值
(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)
Swoole\Table::exist — Check if a row is existed by $row_key.
$key
) : boolean
key