PDO::pgsqlGetNotify()
(PHP 5 >= 5.6.0, PHP 7)
Get asynchronous notification
说明
public PDO::pgsqlGetNotify([int $result_type=PDO::FETCH_USE_DEFAULT
[,int $ms_timeout= 0]]): array
Returns a result set representing a pending asynchronous notification.
参数
- $result_type
The format the result set should be returned as, represented as a
PDO::FETCH_*
constant.- $ms_timeout
The length of time to wait for a response, in milliseconds.
返回值
If one or more notifications is pending, returns a single row, with fieldsmessageandpid, otherwise returns FALSE
.