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Hostel Mangement System
. You have to put that outside of the pre-defined options of the specific mime-transform, as the last value
of the set. Use the format “‘; charset=XXX’”. If you use a transform, for which you can specify 2
options and you want to append a character set, enter “‘first parameter’,’second
parameter’,’charset=us-ascii’”. You can, however use the defaults for the parameters: “‘’,’’,’charset=us-
ascii’”.
File structure
All mimetypes and their transformations are defined through single files in the directory ‘libraries/
transformations/’.They are stored in files to ease up customization and easy adding of new transformations.
Because the user cannot enter own mimetypes, it is kept sure that transformations always work. It
makes no sense to apply a transformation to a mimetype, the transform-function doesn’t know to handle.
One can, however, use empty mime-types and global transformations which should work for many
mimetypes. You can also use transforms on a different mimetype they where built for, but pay attention to
option usage as well as what the transformation does to your field.There is a basic file called ‘global.inc.php’.
This function can be included by any other transform function and provides some basic functions.
There are 5 possible file names:
1.A mimetype+subtype transform:[mimetype]_[subtype]__[transform].inc.php.Please note that
mimetype and subtype are separated via ‘_’, which shall not be contained in their names.The transform
function filename may contain only characters which cause no problems in the file system as well as the
PHP function naming convention.Thetransform function will the be called
PMA_transform_[mimetype]_[subtype]__[transform]()’.
Division of computer Engineering, SOE 63