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(PHP 4 >= 4.3.0, PHP 5)

pg_get_pid -- Gets 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);
?>

Related Function(s)

pg_get_notify()