PHP: Hypertext Preprocessor (original) (raw)
pg_port
(PHP 4, PHP 5, PHP 7, PHP 8)
pg_port — Return the port number associated with the connection
Description
pg_port() returns the port number that the given PostgreSQL connection instance is connected to.
Parameters
connection
An PgSql\Connection instance. When connection is [null](reserved.constants.php#constant.null), the default connection is used. The default connection is the last connection made by pg_connect()or pg_pconnect().
Warning
As of PHP 8.1.0, using the default connection is deprecated.
Return Values
A string containing the port number of the database server the connection is to, or empty string on error.
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_port() example
`<?php
$pgsql_conn = pg_connect("dbname=mark host=localhost");
if (
$pgsql_conn) {
print "Successfully connected to port: " . pg_port($pgsql_conn) . "
\n";
} else {
print pg_last_error($pgsql_conn);
exit;
}
?>`