diff options
Diffstat (limited to 'include/smarty/libs/sysplugins/smarty_internal_extension_clear.php')
| -rw-r--r-- | include/smarty/libs/sysplugins/smarty_internal_extension_clear.php | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_extension_clear.php b/include/smarty/libs/sysplugins/smarty_internal_extension_clear.php new file mode 100644 index 000000000..c595214d8 --- /dev/null +++ b/include/smarty/libs/sysplugins/smarty_internal_extension_clear.php @@ -0,0 +1,134 @@ +<?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) < $exp_time) { + continue; + } + } + } + // remove from template cache + if (isset($smarty->_cache['template_objects'])) { + foreach ($smarty->_cache['template_objects'] as $key => $tpl) { + if (isset($tpl->cached) && $tpl->cached->filepath == (string) $_file) { + unset($smarty->_cache['template_objects'][$key]); + } + } + } + $_count += @unlink((string) $_file) ? 1 : 0; + if (function_exists('opcache_invalidate')) { + opcache_invalidate((string) $_file); + } + } + } + } + return $_count; + } +}
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