phpExifRW is a pure PHP class to read, write, and transfer EXIF information that most digital cameras produce. This class overcomes the problem of most distributions that do not add Exif extensions in their default installation of PHP.
phplib2Smarty is a drop-in replacement extension
of Smarty class for PHPLib template class. Even
though the syntax is like that of PHPLib template
but the compiling technique of Smarty has been
used. Several advantages of Smarty that PHPLib
lacked can now be used more conveniently.
The SkipjackResponse Check class checks and validates the response sent via POST methods by the Skipjack payment gateway. In account setup, you need to make sure you have set response file to custom filename.