<?php use League\Flysystem\PhpseclibV2\SftpConnectionProvider as V2Provider; use League\Flysystem\PhpseclibV3\SftpConnectionProvider as V3Provider; use phpseclib3\Net\SFTP; include __DIR__ . '/../vendor/autoload.php'; $providerName = class_exists(SFTP::class) ? V3Provider::class : V2Provider::class; $connectionProvider = $providerName::fromArray( [ 'host' => 'localhost', 'username' => 'foo', 'password' => 'pass', 'port' => 2222, ] ); $start = time(); $connected = false; while (time() - $start < 60) { try { $connectionProvider->provideConnection(); $connected = true; break; } catch (Throwable $exception) { echo($exception); usleep(10000); } } if ( ! $connected) { fwrite(STDERR, "Unable to start SFTP server.\n"); exit(1); } fwrite(STDOUT, "Detected SFTP server successfully.\n");