This tells Smarty whether or not to cache the output of the templates
By default this is set to the constant Smarty::CACHING_OFF. If your templates consistently generate
the same content, it is advisable to turn on
$caching, as this may result in significant
You can also have multiple caches for the same template.
A constant value of Smarty::CACHING_LIFETIME_CURRENT or Smarty::CACHING_LIFETIME_SAVED enables caching.
A value of Smarty::CACHING_LIFETIME_CURRENT tells Smarty to use the current
$cache_lifetimevariable to determine if the cache has expired.
A value of Smarty::CACHING_LIFETIME_SAVED tells Smarty to use the
$cache_lifetimevalue at the time the cache was generated. This way you can set the
$cache_lifetimejust before fetching the template to have granular control over when that particular cache expires. See also
$compile_checkis enabled, the cached content will be regenerated if any of the templates or config files that are part of this cache are changed.
$force_compileis enabled, the cached content will always be regenerated.