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authorBrett Profitt <brett.profitt@gmail.com>2011-10-29 15:08:34 -0700
committerBrett Profitt <brett.profitt@gmail.com>2011-10-29 15:08:34 -0700
commit3e4641537ff66b7e634f83e7a3386df9273ec9ff (patch)
treedde2ebe6125df0cc308dff3624c79f9b6a0b366b /engine
parent508000e9e3a49c0f659279ba916bde4a771ed777 (diff)
downloadelgg-3e4641537ff66b7e634f83e7a3386df9273ec9ff.tar.gz
elgg-3e4641537ff66b7e634f83e7a3386df9273ec9ff.tar.bz2
Fixes #4029, refs #3859. elgg_invalidate_simplecache() resets the lastcached and lastupdate datasets. Added documentation about how to use simple cache views.
Diffstat (limited to 'engine')
-rw-r--r--engine/lib/cache.php50
1 files changed, 38 insertions, 12 deletions
diff --git a/engine/lib/cache.php b/engine/lib/cache.php
index 2bd3b2349..a6ebe2a30 100644
--- a/engine/lib/cache.php
+++ b/engine/lib/cache.php
@@ -129,7 +129,11 @@ function elgg_disable_filepath_cache() {
* @warning Simple cached views must take no parameters and return
* the same content no matter who is logged in.
*
- * @note CSS and the basic JS views are cached by the engine.
+ * @example
+ * $blog_js = elgg_get_simplecache_url('js', 'blog/save_draft');
+ * elgg_register_simplecache_view('js/blog/save_draft');
+ * elgg_register_js('elgg.blog', $blog_js);
+ * elgg_load_js('elgg.blog');
*
* @param string $viewname View name
*
@@ -155,6 +159,9 @@ function elgg_register_simplecache_view($viewname) {
/**
* Get the URL for the cached file
*
+ * @warning You must register the view with elgg_register_simplecache_view()
+ * for caching to work. See elgg_register_simplecache_view() for a full example.
+ *
* @param string $type The file type: css or js
* @param string $view The view name
* @return string
@@ -180,7 +187,7 @@ function elgg_get_simplecache_url($type, $view) {
*
* @warning This does not invalidate the cache, but actively resets it.
*
- * @param string $viewtype Optional viewtype to regenerate
+ * @param string $viewtype Optional viewtype to regenerate. Defaults to all valid viewtypes.
*
* @return void
* @see elgg_register_simplecache_view()
@@ -302,7 +309,8 @@ function elgg_disable_simplecache() {
}
/**
- * Invalidates all cached views in the simplecache
+ * Deletes all cached views in the simplecache and sets the lastcache and
+ * lastupdate time to 0 for every valid viewtype.
*
* @return bool
* @since 1.7.4
@@ -310,17 +318,35 @@ function elgg_disable_simplecache() {
function elgg_invalidate_simplecache() {
global $CONFIG;
- $return = TRUE;
+ if (!isset($CONFIG->views->simplecache) || !is_array($CONFIG->views->simplecache)) {
+ return false;
+ }
- if ($handle = opendir($CONFIG->dataroot . 'views_simplecache')) {
- while (false !== ($file = readdir($handle))) {
- if ($file != "." && $file != "..") {
- $return = $return && unlink($CONFIG->dataroot . 'views_simplecache/' . $file);
- }
+ $handle = opendir($CONFIG->dataroot . 'views_simplecache');
+
+ if (!$handle) {
+ return false;
+ }
+
+ // remove files.
+ $return = true;
+ while (false !== ($file = readdir($handle))) {
+ if ($file != "." && $file != "..") {
+ $return = $return && unlink($CONFIG->dataroot . 'views_simplecache/' . $file);
}
- closedir($handle);
- } else {
- $return = FALSE;
+ }
+ closedir($handle);
+
+ // reset cache times
+ $viewtypes = $CONFIG->view_types;
+
+ if (!is_array($viewtypes)) {
+ return false;
+ }
+
+ foreach ($viewtypes as $viewtype) {
+ $return = $return && datalist_set("simplecache_lastupdate_$viewtype", 0);
+ $return = $return && datalist_set("simplecache_lastcached_$viewtype", 0);
}
return $return;