update : 2015.11.03

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Ping database connection

PostgreSQL 함수 목록

pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_ping — Ping database connection

설명

bool pg_ping ([ resource $connection ] )

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

인수

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().

반환값

성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

예제

Example #1 pg_ping() example


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

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

참고

pg_connection_status() - Get connection status
pg_connection_reset() - Reset connection (reconnect)

PostgreSQL 함수 목록