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-rw-r--r--lib/smarty3/sysplugins/smarty_internal_extension_clear.php126
1 files changed, 126 insertions, 0 deletions
diff --git a/lib/smarty3/sysplugins/smarty_internal_extension_clear.php b/lib/smarty3/sysplugins/smarty_internal_extension_clear.php
new file mode 100644
index 0000000..e841721
--- /dev/null
+++ b/lib/smarty3/sysplugins/smarty_internal_extension_clear.php
@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * Smarty Extension Clear
+ *
+ * $smarty->clear() method file cache file resource
+ *
+ * @package Smarty
+ * @subpackage PluginsInternal
+ * @author Uwe Tews
+ */
+class Smarty_Internal_Extension_Clear
+{
+ /**
+ * Empty cache for a specific template
+ *
+ * @param Smarty $smarty
+ * @param string $resource_name template name
+ * @param string $cache_id cache id
+ * @param string $compile_id compile id
+ * @param integer $exp_time expiration time (number of seconds, not timestamp)
+ *
+ * @return integer number of cache files deleted
+ */
+ public static function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time)
+ {
+ $_cache_id = isset($cache_id) ? preg_replace('![^\w\|]+!', '_', $cache_id) : null;
+ $_compile_id = isset($compile_id) ? preg_replace('![^\w]+!', '_', $compile_id) : null;
+ $_dir_sep = $smarty->use_sub_dirs ? '/' : '^';
+ $_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0;
+ $_dir = $smarty->getCacheDir();
+ if ($_dir == '/') { //We should never want to delete this!
+ return 0;
+ }
+ $_dir_length = strlen($_dir);
+ if (isset($_cache_id)) {
+ $_cache_id_parts = explode('|', $_cache_id);
+ $_cache_id_parts_count = count($_cache_id_parts);
+ if ($smarty->use_sub_dirs) {
+ foreach ($_cache_id_parts as $id_part) {
+ $_dir .= $id_part . DS;
+ }
+ }
+ }
+ if (isset($resource_name)) {
+ $_save_stat = $smarty->caching;
+ $smarty->caching = true;
+ $tpl = new $smarty->template_class($resource_name, $smarty);
+ $smarty->caching = $_save_stat;
+
+ // remove from template cache
+ $tpl->source; // have the template registered before unset()
+
+ if ($tpl->source->exists) {
+ $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath));
+ } else {
+ return 0;
+ }
+ }
+ $_count = 0;
+ $_time = time();
+ if (file_exists($_dir)) {
+ $_cacheDirs = new RecursiveDirectoryIterator($_dir);
+ $_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST);
+ foreach ($_cache as $_file) {
+ if (substr(basename($_file->getPathname()), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
+ continue;
+ }
+ // directory ?
+ if ($_file->isDir()) {
+ if (!$_cache->isDot()) {
+ // delete folder if empty
+ @rmdir($_file->getPathname());
+ }
+ } else {
+ $_parts = explode($_dir_sep, str_replace('\\', '/', substr((string) $_file, $_dir_length)));
+ $_parts_count = count($_parts);
+ // check name
+ if (isset($resource_name)) {
+ if ($_parts[ $_parts_count - 1 ] != $_resourcename_parts) {
+ continue;
+ }
+ }
+ // check compile id
+ if (isset($_compile_id) && (!isset($_parts[ $_parts_count - 2 - $_compile_id_offset ]) ||
+ $_parts[ $_parts_count - 2 - $_compile_id_offset ] != $_compile_id)
+ ) {
+ continue;
+ }
+ // check cache id
+ if (isset($_cache_id)) {
+ // count of cache id parts
+ $_parts_count = (isset($_compile_id)) ? $_parts_count - 2 - $_compile_id_offset :
+ $_parts_count - 1 - $_compile_id_offset;
+ if ($_parts_count < $_cache_id_parts_count) {
+ continue;
+ }
+ for ($i = 0; $i < $_cache_id_parts_count; $i ++) {
+ if ($_parts[ $i ] != $_cache_id_parts[ $i ]) {
+ continue 2;
+ }
+ }
+ }
+ // expired ?
+ if (isset($exp_time)) {
+ if ($exp_time < 0) {
+ preg_match('#\'cache_lifetime\' =>\s*(\d*)#', file_get_contents($_file), $match);
+ if ($_time < (@filemtime($_file) + $match[ 1 ])) {
+ continue;
+ }
+ } else {
+ if ($_time - @filemtime($_file) < $exp_time) {
+ continue;
+ }
+ }
+ }
+ $_count += @unlink((string) $_file) ? 1 : 0;
+ if (function_exists('opcache_invalidate') && strlen(ini_get("opcache.restrict_api")) < 1) {
+ opcache_invalidate((string) $_file, true);
+ }
+ }
+ }
+ }
+ return $_count;
+ }
+} \ No newline at end of file