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><H1
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>$caching</H1
><P
> This tells Smarty whether or not to cache the output of the templates
to the <A
HREF="variable.cache.dir.html"
> <TT
CLASS="parameter"
><I
>$cache_dir</I
></TT
></A
>.
By default this is set to 0 ie disabled. If your templates generate
redundant content, it is advisable to turn on
<TT
CLASS="parameter"
><I
>$caching</I
></TT
>, as this will result in significant
performance gains.
</P
><P
> You can also have
<A
HREF="caching.multiple.caches.html"
>multiple</A
>
caches for the same template.
</P
><P
></P
><UL
><LI
><P
> A value of 1 or 2 enables caching.
</P
></LI
><LI
><P
> A value of 1 tells Smarty to use the current
<A
HREF="variable.cache.lifetime.html"
><TT
CLASS="parameter"
><I
>$cache_lifetime</I
></TT
></A
>
variable to determine if the cache has expired.
</P
></LI
><LI
><P
>A value of 2 tells Smarty to use the
<A
HREF="variable.cache.lifetime.html"
><TT
CLASS="parameter"
><I
>$cache_lifetime</I
></TT
></A
>
value at the time the cache was generated. This way you can set the
<A
HREF="variable.cache.lifetime.html"
> <TT
CLASS="parameter"
><I
>$cache_lifetime</I
></TT
></A
>
just before <A
HREF="api.fetch.html"
>fetching</A
>
the template to have granular control over when that particular cache expires.
See also <A
HREF="api.is.cached.html"
><TT
CLASS="varname"
>is_cached()</TT
></A
>.
</P
></LI
><LI
><P
> If <A
HREF="variable.compile.check.html"
><TT
CLASS="parameter"
><I
>$compile_check</I
></TT
></A
>
is enabled, the cached content will be regenerated if
any of the templates or config files that are part of this cache are
changed.
</P
></LI
><LI
><P
> If <A
HREF="variable.force.compile.html"
> <TT
CLASS="parameter"
><I
>$force_compile</I
></TT
></A
> is enabled, the cached
content will always be regenerated.
</P
></LI
></UL
><P
> See also
<A
HREF="variable.cache.dir.html"
><TT
CLASS="parameter"
><I
>$cache_dir</I
></TT
></A
>,
<A
HREF="variable.cache.lifetime.html"
><TT
CLASS="parameter"
><I
>$cache_lifetime</I
></TT
></A
>,
<A
HREF="variable.cache.handler.func.html"
><TT
CLASS="parameter"
><I
>$cache_handler_func</I
></TT
></A
>,
<A
HREF="variable.cache.modified.check.html"
><TT
CLASS="parameter"
><I
>$cache_modified_check</I
></TT
></A
>,
<A
HREF="api.is.cached.html"
><TT
CLASS="varname"
>is_cached()</TT
></A
>
and the
<A
HREF="caching.html"
>caching section</A
>.
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>$force_compile</TD
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