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Gets the backend's process ID


pg_get_pid

(PHP 4 >= 4.3.0, PHP 5)

pg_get_pidGets the backend's process ID

Description

int pg_get_pid ( resource $connection )

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.

Parameters

connection

PostgreSQL database connection resource.

Return Values

The backend database process ID.

Examples

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);
?>

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