clean up my urls

[wfpl.git] / http.php

diff --git a/http.php b/http.php
index 1fad97b..51eb4d3 100644 (file)
--- a/http.php
+++ b/http.php
@@ -2,21 +2,18 @@
 
 #  Copyright (C) 2005 Jason Woofenden
 #
-#  This file is part of wfpl.
-#
-#  wfpl is free software; you can redistribute it and/or modify it under the
-#  terms of the GNU Lesser General Public License as published by the Free
-#  Software Foundation; either version 2.1 of the License, or (at your option)
-#  any later version.
-#
-#  wfpl is distributed in the hope that it will be useful, but WITHOUT ANY
-#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-#  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
-#  more details.
-#
-#  You should have received a copy of the GNU Lesser General Public License
-#  along with wfpl; if not, write to the Free Software Foundation, Inc., 51
-#  Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#  
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#  
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 # return our best guess at the url used to access this page, without the path or query string
@@ -86,6 +83,9 @@ function redirect($url, $status = '302 Moved Temporarily', $message = '') {
        }
                        
        if(function_exists('session_save_messages')) {
+               if(function_exists('atexit_now')) {
+                       atexit_now();
+               }
                session_save_messages();
        }
 
@@ -95,4 +95,11 @@ function redirect($url, $status = '302 Moved Temporarily', $message = '') {
        exit();
 }
 
+# output http headers to allow caching of this page forever
+function http_cache_forever($cache_control = 'public') {
+       header('Last-Modified: '.gmdate('D, d M Y H:i:s', 5025) . ' GMT'); # long time ago
+       header("Cache-Control: $cache_control");
+       header('Expires: ' . gmdate('D, d M Y H:i:s',time()+31536000) . ' GMT'); # rfc 2616 says not to go more than a year in the future
+}
+
 ?>