Supported Versions: PHP 5, PHP 7, PHP 8
Returns an array with client, protocol and server version (when available)
pg_version(?PgSql\Connection $connection null): array
        $a['port'] = pg_port($link);

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

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

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



        foreach (
self::PARAM_CODES as $v) {

            if (
false !== $s pg_parameter_status($link$v)) {