(PHP 4, PHP 5, PHP 7, PHP 8)
pg_port — Return the port number associated with the connection
pg_port() returns the port number that the
given PostgreSQL connection instance is
connected to.
connectionAn 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.
A string containing the port number of the database
server the connection is to,
or empty string on error.
| 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_port() example
<?php
$pgsql_conn = pg_connect("dbname=mark host=localhost");
if ($pgsql_conn) {
print "Successfully connected to port: " . pg_port($pgsql_conn) . "<br/>\n";
} else {
print pg_last_error($pgsql_conn);
exit;
}
?>