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-rw-r--r--application/Cache.php38
1 files changed, 0 insertions, 38 deletions
diff --git a/application/Cache.php b/application/Cache.php
deleted file mode 100644
index e5d43e61..00000000
--- a/application/Cache.php
+++ /dev/null
@@ -1,38 +0,0 @@
1<?php
2/**
3 * Cache utilities
4 */
5
6/**
7 * Purges all cached pages
8 *
9 * @param string $pageCacheDir page cache directory
10 *
11 * @return mixed an error string if the directory is missing
12 */
13function purgeCachedPages($pageCacheDir)
14{
15 if (! is_dir($pageCacheDir)) {
16 $error = sprintf(t('Cannot purge %s: no directory'), $pageCacheDir);
17 error_log($error);
18 return $error;
19 }
20
21 array_map('unlink', glob($pageCacheDir.'/*.cache'));
22}
23
24/**
25 * Invalidates caches when the database is changed or the user logs out.
26 *
27 * @param string $pageCacheDir page cache directory
28 */
29function invalidateCaches($pageCacheDir)
30{
31 // Purge cache attached to session.
32 if (isset($_SESSION['tags'])) {
33 unset($_SESSION['tags']);
34 }
35
36 // Purge page cache shared by sessions.
37 purgeCachedPages($pageCacheDir);
38}