This tells Smarty whether or not to cache the output of the templates
to the $cache_dir.
By default this is set to 0, or disabled. If your templates generate
redundant content, it is advisable to turn on $caching. This
will result in significant performance gains. You can also have
caches for the same template. A value of 1 or 2 enables caching. 1 tells
Smarty to use the current
variable to determine if the
cache has expired. A value of 2 tells Smarty to use the
value at the time the cache was generated. This way you can set the
the template to have granular
control over when that particular cache expires.
See also is_cached().
is enabled, the cached content will be regenerated if
any of the templates or config files that are part of this cache are
is enabled, the cached content will always be