PostgreSQL
PHP Manual

pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_pingPing database connection

Opis

bool pg_ping ([ resource $connection ] )

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

Parametry

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().

Zwracane wartości

Zwraca TRUE w przypadku powodzenia, FALSE w przypadku błędu.

Przykłady

Example #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");
?>

Patrz także


PostgreSQL
PHP Manual