<HTML ><HEAD ><TITLE >$cache_modified_check</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Smarty Manual" HREF="index.html"><LINK REL="UP" TITLE="Smarty Class Variables" HREF="api.variables.html"><LINK REL="PREVIOUS" TITLE="$cache_handler_func" HREF="variable.cache.handler.func.html"><LINK REL="NEXT" TITLE="$config_overwrite" HREF="variable.config.overwrite.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="sect1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Smarty Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="variable.cache.handler.func.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 12. Smarty Class Variables</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="variable.config.overwrite.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="sect1" ><H1 CLASS="sect1" ><A NAME="variable.cache.modified.check" ></A >$cache_modified_check</H1 ><P > If set to <TT CLASS="constant" >TRUE</TT >, Smarty will respect the If-Modified-Since header sent from the client. If the cached file timestamp has not changed since the last visit, then a <TT CLASS="literal" >'304: Not Modified'</TT > header will be sent instead of the content. This works only on cached content without <A HREF="language.function.insert.html" ><TT CLASS="varname" >{insert}</TT ></A > tags. </P ><P > See also <A HREF="variable.caching.html" ><TT CLASS="parameter" ><I >$caching</I ></TT ></A >, <A HREF="variable.cache.lifetime.html" ><TT CLASS="parameter" ><I >$cache_lifetime</I ></TT ></A >, <A HREF="variable.cache.handler.func.html" ><TT CLASS="parameter" ><I >$cache_handler_func</I ></TT ></A >, and the <A HREF="caching.html" >caching section</A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="variable.cache.handler.func.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="variable.config.overwrite.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >$cache_handler_func</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="api.variables.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >$config_overwrite</TD ></TR ></TABLE ></DIV ></BODY ></HTML >