can connect with ssh2_tunnel ?

[silasakk]

cannot connect to remote database

$ssh_conn = ssh2_connect($ssh_server, $ssh_port);
if($ssh_conn){
echo "Connection Successful!"."
";
}
else{
echo 'Connection Failed...';
die();
}

$ssh_auth = ssh2_auth_password($ssh_conn, $ssh_user, $ssh_pass);
if($ssh_auth){
echo "Authentication Successful!"."
";
}
else{
echo 'Authentication Failed...';die();
}

$ssh_tunnel = ssh2_tunnel($ssh_conn, "localhost",$remote_port);
if ($ssh_tunnel){
echo "Tunnel created"."
";
}
else{
echo "Tunnel creation failed!!";die();
}

require_once("php-rql-master/rdb/rdb.php");
$conn = r\connect('localhost','28015','rapbizz');

Warning: stream_socket_client(): unable to connect to tcp://localhost:28015 (Connection refused) in /var/www/html/php-rql-master/rdb/Connection.php on line 455

Fatal error: Uncaught RqlDriverError: Unable to connect: Connection refused thrown in /var/www/html/php-rql-master/rdb/Connection.php on line 459