pg_port

(PHP 4, PHP 5, PHP 7, PHP 8)

pg_port Return the port number associated with the connection

Description

pg_port(?PgSql\Connection $connection = null): string

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, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

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) . "<br/>\n";
} else {
   print 
pg_last_error($pgsql_conn);
   exit;
}
?>

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