update : 2015.11.03
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Ping database connection

pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_pingPing 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