(PHP 5 >= 5.6.0, PHP 7, PHP 8)
PDO::pgsqlGetNotify — Get asynchronous notification
$result_type = PDO::FETCH_USE_DEFAULT, int $ms_timeout = 0): array|falseReturns a result set representing a pending asynchronous notification.
result_type
The format the result set should be returned as, represented as a
PDO::FETCH_*
constant.
ms_timeoutThe length of time to wait for a response, in milliseconds.
If one or more notifications is pending, returns a single row, with fields
message and pid, otherwise returns
false.