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pg_ping

pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_ping -- Ping 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 sukcesu, FALSE w przypadku porażki.

Przykłady

Przykład 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");
?>