(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
pg_ping — Ping la conexión a la base de datos
pg_ping() realiza un ping a la conexión a la base de datos y intenta reconectarse si la conexión se ha perdido.
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.
Versión | Descripción |
---|---|
8.1.0 |
The connection parameter expects an PgSql\Connection
instance now; previously, a recurso was expected.
|
8.0.0 |
connection ahora es nullable.
|
Ejemplo #1 Ejemplo con pg_ping()
<?php
$conn = pg_pconnect ("dbname=publisher");
if (!$conn) {
echo "Se ha producido un error.\n";
exit;
}
if (!pg_ping($conn))
die("La conexión se ha perdido\n");
?>