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<pg_copy_topg_delete>
^PostgreSQL FunctionsLast updated: Mon, 26 Oct 2026

pg_dbname

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

pg_dbname — Get the database name

Description

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

pg_dbname() returns the name of the database that the given PostgreSQL connection instance.

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().

Warning

As of PHP 8.1.0, using the default connection is deprecated.

Return Values

A string containing the name of the database the connection is to.

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_dbname() example

<?php
  error_reporting(E_ALL);

  pg_connect("host=localhost port=5432 dbname=mary");
  echo pg_dbname(); // mary
?>


<pg_copy_topg_delete>
^PostgreSQL FunctionsLast updated: Mon, 26 Oct 2026