[PHP] is PHP sftp ready?

[Nando2]

Hello everybody,

I already am familiar with PHP's ftp capabilities. My question though is if anyone has 
ever used or know wether PHP is compatible or not with sftp (OpenSSH secure FTP). If 
so, can I use the same libraries or is there any PHP extention that I must download in 
order to enable it.

Thank you,

Carlos Fernando Scheidecker Antunes.