pg_get_pid
(PHP 4 >= 4.3.0, PHP 5)
pg_get_pid — Ping database connection
Description
int pg_get_pid
( resource $connection
)
pg_get_pid() gets backend (database server process) PID. PID is useful to check if NOTIFY message is sent from other process or not.
See also pg_get_notify()
Example#1 PostgreSQL backend PID
<?php
$conn = pg_pconnect ("dbname=publisher");
if (!$conn) {
echo "An error occured.\n";
exit;
}
// Backend process PID. Use PID with pg_get_notify()
$pid = pg_get_pid($conn);
?>