(PHP 4, PHP 5, PHP 7) Returns the size of the given file

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Logs in to an FTP connection

(PHP 4, PHP 5, PHP 7) Sends a SITE command to the server

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Set miscellaneous runtime FTP options

(PHP 5, PHP 7) Sends an arbitrary command to an FTP server

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Stores a file from an open file to the FTP server (non-blocking)

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Continues retrieving/sending a file (non-blocking)

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Opens an Secure SSL-FTP connection

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Retrieves a file from the FTP server and writes it to an open file (non-blocking)