pg_ping() pings a database connection and tries to
reconnect it if it is broken.
Parameters
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().
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example 1. pg_ping() example
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occured.\n";
exit;
}
if (!pg_ping($conn))
die("Connection is broken\n");
?>