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clearAllCache()
clears the entire template cache
Description
===========
void
clearAllCache
int
expire\_time
As an optional parameter, you can supply a minimum age in seconds the
cache files must be before they will get cleared.
> **Note**
>
> Since Smarty version 3.1.14 it is possible to delete cache files by
> their individual expiration time at creation by passing constant
> SMARTY::CLEAR\_EXPIRED as `expire_time` parameter.
<?php
// clear the entire cache
$smarty->clearAllCache();
// clears all files over one hour old
$smarty->clearAllCache(3600);
?>
See also [`clearCache()`](#api.clear.cache),
[`isCached()`](#api.is.cached) and the [caching](#caching) page.