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.IX Title "CGI::Application::Plugin::TT::LastModified 3pm"
.TH CGI::Application::Plugin::TT::LastModified 3pm "2023-01-15" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
CGI::Application::Plugin::TT::LastModified \- Set "Last\-Modified" header based on TT template
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\&  # when you want to set the "Last\-Modified" header manually
\&    use base qw(CGI::Application);
\&    use CGI::Application::Plugin::TT;
\&    use CGI::Application::Plugin::TT::LastModified;
\&
\&    sub my_runmode {
\&        my $self = shift;
\&        my %params = (
\&            # ...
\&            );
\&        my $html = $self\->tt_process( \*(Aqtemplate.html\*(Aq, \e%params );
\&        $self\->tt_set_last_modified_header();
\&        return $html;
\&    }
\&
\&  # when you want the "Last\-Modified" header set automatically
\&    use base qw(CGI::Application);
\&    use CGI::Application::Plugin::TT;
\&    use CGI::Application::Plugin::TT::LastModified qw(:auto);
\&
\&    sub my_runmode {
\&        my $self = shift;
\&        my %params = (
\&            # ...
\&            );
\&        return $self\->tt_process( \*(Aqtemplate.html\*(Aq, \e%params );
\&    }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`CGI::Application::Plugin::TT::LastModified\*(C'\fR adds support to
\&\f(CW\*(C`CGI::Application\*(C'\fR for setting a \*(L"Last-Modified\*(R" header based on the most
recent modification time of \fIany\fR of the components of a template that was
processed with \s-1TT.\s0
.PP
Normally you'll want to call it manually, on as \*(L"as needed\*(R" basis; if you're
processing templates with \s-1TT\s0 you're most likely dealing with dynamic content
(in which case you probably don't even want a \*(L"Last-Modified\*(R" header).  The odd
time you'll want to set a \*(L"Last-Modified\*(R" header, though, this plugin helps
make that easier.
.PP
\&\fBIf\fR you have a desire to have the \*(L"Last-Modified\*(R" header set automatically
for you, though, \f(CW\*(C`CGI::Application::Plugin::TT::LastModified\*(C'\fR does have an
\&\f(CW\*(C`:auto\*(C'\fR import tag which auto-registers \*(L"\fBtt_set_last_modified_header()\fR\*(R" as a
\&\*(L"tt_post_process\*(R" hook for you.  If you've got an app that just processes
static \s-1TT\s0 pages and generates output, this will be useful for you.
.SH "METHODS"
.IX Header "METHODS"
.IP "\fBimport()\fR" 4
.IX Item "import()"
Custom import routine, which allows for \f(CW\*(C`tt_set_last_modified_header()\*(C'\fR to
be auto-added in as a \s-1TT\s0 post process hook.
.IP "\fBtt_last_modified()\fR" 4
.IX Item "tt_last_modified()"
Returns the most recent modification time for any component of the most
recently processed template (via \f(CW\*(C`tt_process()\*(C'\fR). Time is returned back to
the caller as \*(L"the number of seconds since the epoch\*(R".
.IP "\fBtt_set_last_modified_header()\fR" 4
.IX Item "tt_set_last_modified_header()"
Sets a \*(L"Last-Modified\*(R" header in the \s-1HTTP\s0 response, equivalent to the last
modification time of the template components as returned by
\&\f(CW\*(C`tt_last_modified()\*(C'\fR.
.SH "AUTHOR"
.IX Header "AUTHOR"
Graham TerMarsch (cpan@howlingfrog.com)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2007, Graham TerMarsch.  All Rights Reserved.
.PP
This is free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "CGI::Application::Plugin::TT" 4
.IX Item "CGI::Application::Plugin::TT"
.PD 0
.IP "CGI::Application" 4
.IX Item "CGI::Application"
.IP "Template" 4
.IX Item "Template"