(PHP 8 >= 8.4.0)
Pdo\Pgsql::getNotify — Get asynchronous notification
$fetchMode = PDO::FETCH_DEFAULT, int $timeoutMilliseconds = 0): array|falseReturns a result set representing a pending asynchronous notification.
fetchModeThe format the result set should be returned as, one of the following constants:
timeoutMilliseconds
   If one or more notifications is pending, returns a single row,
   with fields message and pid,
   otherwise returns false.
  
   A ValueError is thrown if
   fetchMode is not one of the valid
   PDO::FETCH_*
   constants.
  
   A ValueError is thrown if
   timeoutMilliseconds is less than 0.
  
   A E_WARNING is raised when
   timeoutMilliseconds is greater than the value
   that can be contained in a signed 32-bit integer, in which case it will be
   the maximum value of a signed 32-bit integer.
  
