(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
pg_get_pid — Gets the backend's process ID
pg_get_pid() gets the backend's (database server
process) PID. The PID is useful to determine whether or not a NOTIFY
message received via pg_get_notify() is sent from another process
or not.
The backend database process ID.
| Version | Description |
|---|---|
| 8.1.0 |
The connection parameter expects an PgSql\Connection
instance now; previously, a resource was expected.
|
Example #1 PostgreSQL backend PID
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occurred.\n";
exit;
}
// Backend process PID. Use PID with pg_get_notify()
$pid = pg_get_pid($conn);
?>