use Lc5\Ftp\Ftp;

try {
    $ftp = new Ftp('ftp.example.com', 'username', 'password');

    //Save remote.txt to local.txt
    $ftp->get('local.txt', 'remote.txt', FTP_ASCII);

    //Actually you don't have to explicitly call close()
    //It will get called automatically as a part of the __destruct() method
    $ftp->close();

    //For anonymous login you only need to pass the host address
    $ftp = new Ftp('ftp.example.com');
    $ftp->pasv(true);

    //Get list of files in current directory and print them
    $files = $ftp->rawlist('.');

    foreach ($files as $file) {
        echo $file . PHP_EOL;
    }
} catch (\Exception $e) {
    echo $e->getMessage();
}

use Lc5\Ftp\Ftp;

class MyFtp extends Ftp
{
    public function myFunction()
    {
        $connection = $this->connect();
        
        //your custom code...
    }
}