(PHP 3>= 3.0.13, PHP 4 )

ftp_size -- Returns the size of the given file


int ftp_size ( resource ftp_stream, string remote_file)

ftp_size() returns the size of a file in bytes. If an error occurs, of if the file does not exist, -1 is returned. Not all servers support this feature.

Returns the file size on success, or -1 on error.