This is the name of the directory where compiled templates are
located. By default this is
./templates_c, meaning that Smarty
will look for the templates_c/
directory in the same directory as
the executing php script. This directory must
be writeable by the web server,
see install for more info.
This setting must be either a relative or absolute path. include_path is not used for writing files.
It is not recommended to put this directory under the web server document root.
As of Smarty 3.1 the attribute $compile_dir is no longer accessible directly. Use
getCompileDir() and
setCompileDir() instead.
See also
getCompileDir(),
setCompileDir(),
$compile_id
and
$use_sub_dirs.