(PHP3 >= 3.0.13, PHP4 >= 4.0b4)
ftp_pasv -- Turns passive mode on or off.
Description
int ftp_pasv (int ftp_stream, int pasv)
     Returns true on success, false on error.
     ftp_pasv() turns on passive mode if the
     pasv parameter is true (it turns off
     passive mode if pasv is false.)  In
     passive mode, data connections are initiated by the client,
     rather than by the server.