pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_ping -- Ping database connection

Leírás

bool pg_ping ( [resource connection] )

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

Paraméterek

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().

Visszatérési értékek

Siker esetén TRUE értékkel tér vissza, ellenkező esetben FALSE értéket ad.

Példák

Példa 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");
?>

Lásd még

pg_connection_status()
pg_connection_reset()