(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, PHP 5, PHP 7) Alias of

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

(PHP 4 >= 4.0.3, PHP 5, PHP 7) Requests execution of a command on the FTP server

(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) Stores a file from an open file to the FTP server (non-blocking)

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

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

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