PHP中的SFTP

$connection = ssh2_connect('example.com', 22);
ssh2_auth_password($connection, 'username', 'password');
$sftp = ssh2_sftp($connection);

$stream = fopen("ssh2.sftp://{$sftp}/path/to/remote/file", 'w');
$data_to_send = 'Hello, world!';
fwrite($stream, $data_to_send);
fclose($stream);

$stream = fopen("ssh2.sftp://{$sftp}/path/to/remote/file", 'r');
$contents = stream_get_contents($stream);
fclose($stream);

$files = scandir("ssh2.sftp://{$sftp}/path/to/remote/directory");

ssh2_sftp_unlink($sftp, "/path/to/remote/file");
ssh2_sftp_rmdir($sftp, "/path/to/remote/directory");

ssh2_sftp_mkdir($sftp, "/path/to/remote/directory");

ssh2_sftp_chmod($sftp, 0755, "/path/to/remote/file");

ssh2_sftp_rename($sftp, "/path/to/remote/oldname", "/path/to/remote/newname");