pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_ping -- Ping database connection

Beskrivelse

bool pg_ping ( [resource connection] )

pg_ping() pings a database connection and tries to reconnect it if it is broken.

Parameterliste

connection

PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

Returneringsværdier

Returnerer TRUE ved succes, FALSE ved fejl.

Eksempler

Eksempel 1. pg_ping() example

<?php
$conn
= pg_pconnect("dbname=publisher");
if (!
$conn) {
  echo
"An error occured.\n";
  exit;
}

if (!
pg_ping($conn))
  die(
"Connection is broken\n");
?>

Se også

pg_connection_status()
pg_connection_reset()