pg_ping
(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
pg_ping — Ping database connection
Description
pg_ping() pings a database connection and tries to reconnect it if it is broken.
Parameters
-
connection -
An PgSql\Connection instance. When
connectionisnull, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().WarningAs of PHP 8.1.0, using the default connection is deprecated.
Return Values
Returns true on success or false on failure.
Changelog
| 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.
|
Examples
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");
?>
See Also
- pg_connection_status() - Get connection status
- pg_connection_reset() - Reset connection (reconnect)
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