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MDL-28709 adding HTTP_IF_MODIFIED_SINCE and minor style tweaks

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This commit is contained in:
Petr Skoda
2011-08-19 16:32:30 +02:00
parent ccc0fff941
commit aa603b14c7
4 changed files with 7 additions and 8 deletions
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theme/javascript.php
+2 -2
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@@ -49,11 +49,11 @@ if (file_exists("$CFG->dirroot/theme/$themename/config.php")) {
$candidate = "$CFG->dataroot/cache/theme/$themename/javascript_$type.js";
if ($rev > -1 and file_exists($candidate)) {
if (!empty($_SERVER['HTTP_IF_NONE_MATCH'])) {
if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) || !empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
// we do not actually need to verify the etag value because our files
// never change in cache because we increment the rev parameter
header('HTTP/1.1 304 Not Modified');
$lifetime = 60*60*24*30; // 30 days
header('HTTP/1.1 304 Not Modified');
header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
header('Cache-Control: max-age='.$lifetime);
header('Content-Type: application/javascript; charset=utf-8');