(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
pg_ping — Ping database connection
pg_ping() pings a database connection and tries to reconnect it if it is broken.
connection
An PgSql\Connection instance.
When connection
is null
, the default connection is used.
The default connection is the last connection made by pg_connect()
or pg_pconnect().
As of PHP 8.1.0, using the default connection is deprecated.
Version | Description |
---|---|
8.1.0 |
The connection parameter expects an PgSql\Connection
instance now; previously, a resource was expected.
|
8.0.0 |
connection is now nullable.
|
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");?>