Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Get the database name
pg_dbname(?PgSql\Connection $connection null): string
        $a['last notice'] = pg_last_notice($link);

        
$a['host'] = pg_host($link);

        
$a['port'] = pg_port($link);

        
$a['dbname'] = pg_dbname($link);

        
$a['options'] = pg_options($link);

        
$a['version'] = pg_version($link);