PDO::pgsqlGetNotify Get asynchronous notification &reftitle.description; public arrayPDO::pgsqlGetNotify intresult_typePDO::FETCH_USE_DEFAULT intms_timeout0 Returns a result set representing a pending asynchronous notification. &reftitle.parameters; 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. &reftitle.returnvalues; If one or more notifications is pending, returns a single row, with fields message and pid, otherwise returns &false;.