mgd_open_attachment
mgd_open_attachment -- Open an attachment for writing
Description
`filehandle **mgd_open_attachment** (int id, string mode)`
Minimum version: Midgard 1.4 (Bifrost)
Opens the attachment with id id for writing. The default open mode when omitted is "w"; this will delete existing content unless you use the second (optional) parameter to specify the open mode; see the mode parameters for fopen(), the default is "w".
Returns a filehandle that can be used with the usual PHP file functions if successful. Returns FALSE on failure. fclose() should be used on the filehandle when done.