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This is the name of the directory where template caches are stored. By default this is ./cache, meaning that Smarty will look for the cache/ directory in the same directory as the executing php script. This directory must be writeable by the web server, see install for more info.

You can also use your own custom cache implementation to control cache files, which will ignore this setting. See also $use_sub_dirs.

Technical Note

This setting must be either a relative or absolute path. include_path is not used for writing files.

Technical Note

It is not recommended to put this directory under the web server document root.


As of Smarty 3.1 the attribute $cache_dir is no longer accessible directly. Use getCacheDir() and setCacheDir() instead.

See also getCacheDir(), setCacheDir(), $caching, $use_sub_dirs, $cache_lifetime, $cache_modified_check and the caching section.

Smarty Template Engine