pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_ping — Ping database connection

Описание

bool pg_ping ([ resource $connection ] )

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

Список параметров

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().

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Примеры

Пример #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");
?>

Смотрите также

pg_pconnect

pg_port

PostgreSQL