X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=http.php;fp=http.php;h=1abd50bc1757abe53f46ef77f95ba4734aa6770a;hb=88edfcf26c7b4cdbd083dede0834de5cf6f16999;hp=b82e3d1dff7f44a705645552767510a3bef7198a;hpb=48bc8c7ca2448555a225b5996effcc9d41bdcfed;p=wfpl.git

diff --git a/http.php b/http.php
index b82e3d1..1abd50b 100644
--- a/http.php
+++ b/http.php
@@ -92,4 +92,11 @@ 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
+}
+
 ?>