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139 lines
5.7 KiB
139 lines
5.7 KiB
<?php |
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/** |
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* Smarty cache resource file clear method |
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* |
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* @package Smarty |
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* @subpackage PluginsInternal |
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* @author Uwe Tews |
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*/ |
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/** |
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* Smarty Internal Runtime Cache Resource File Class |
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* |
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* @package Smarty |
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* @subpackage PluginsInternal |
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*/ |
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class Smarty_Internal_Runtime_CacheResourceFile |
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{ |
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/** |
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* Empty cache for a specific template |
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* |
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* @param Smarty $smarty |
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* @param string $resource_name template name |
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* @param string $cache_id cache id |
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* @param string $compile_id compile id |
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* @param integer $exp_time expiration time (number of seconds, not timestamp) |
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* |
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* @return integer number of cache files deleted |
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*/ |
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public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time) |
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{ |
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$_cache_id = isset($cache_id) ? preg_replace('![^\w\|]+!', '_', $cache_id) : null; |
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$_compile_id = isset($compile_id) ? preg_replace('![^\w]+!', '_', $compile_id) : null; |
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$_dir_sep = $smarty->use_sub_dirs ? '/' : '^'; |
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$_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0; |
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$_dir = $smarty->getCacheDir(); |
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if ($_dir === '/') { //We should never want to delete this! |
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return 0; |
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} |
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$_dir_length = strlen($_dir); |
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if (isset($_cache_id)) { |
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$_cache_id_parts = explode('|', $_cache_id); |
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$_cache_id_parts_count = count($_cache_id_parts); |
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if ($smarty->use_sub_dirs) { |
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foreach ($_cache_id_parts as $id_part) { |
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$_dir .= $id_part . '/'; |
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} |
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} |
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} |
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if (isset($resource_name)) { |
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$_save_stat = $smarty->caching; |
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$smarty->caching = Smarty::CACHING_LIFETIME_CURRENT; |
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$tpl = new $smarty->template_class($resource_name, $smarty); |
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$smarty->caching = $_save_stat; |
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// remove from template cache |
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$tpl->source; // have the template registered before unset() |
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if ($tpl->source->exists) { |
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$_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath)); |
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} else { |
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return 0; |
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} |
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} |
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$_count = 0; |
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$_time = time(); |
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if (file_exists($_dir)) { |
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$_cacheDirs = new RecursiveDirectoryIterator($_dir); |
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$_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST); |
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foreach ($_cache as $_file) { |
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if (substr(basename($_file->getPathname()), 0, 1) === '.') { |
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continue; |
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} |
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$_filepath = (string)$_file; |
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// directory ? |
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if ($_file->isDir()) { |
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if (!$_cache->isDot()) { |
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// delete folder if empty |
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@rmdir($_file->getPathname()); |
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} |
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} else { |
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// delete only php files |
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if (substr($_filepath, -4) !== '.php') { |
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continue; |
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} |
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$_parts = explode($_dir_sep, str_replace('\\', '/', substr($_filepath, $_dir_length))); |
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$_parts_count = count($_parts); |
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// check name |
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if (isset($resource_name)) { |
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if ($_parts[ $_parts_count - 1 ] !== $_resourcename_parts) { |
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continue; |
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} |
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} |
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// check compile id |
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if (isset($_compile_id) && (!isset($_parts[ $_parts_count - 2 - $_compile_id_offset ]) |
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|| $_parts[ $_parts_count - 2 - $_compile_id_offset ] !== $_compile_id) |
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) { |
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continue; |
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} |
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// check cache id |
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if (isset($_cache_id)) { |
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// count of cache id parts |
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$_parts_count = (isset($_compile_id)) ? $_parts_count - 2 - $_compile_id_offset : |
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$_parts_count - 1 - $_compile_id_offset; |
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if ($_parts_count < $_cache_id_parts_count) { |
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continue; |
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} |
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for ($i = 0; $i < $_cache_id_parts_count; $i++) { |
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if ($_parts[ $i ] !== $_cache_id_parts[ $i ]) { |
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continue 2; |
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} |
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} |
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} |
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if (is_file($_filepath)) { |
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// expired ? |
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if (isset($exp_time)) { |
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if ($exp_time < 0) { |
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preg_match('#\'cache_lifetime\' =>\s*(\d*)#', file_get_contents($_filepath), $match); |
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if ($_time < (filemtime($_filepath) + $match[ 1 ])) { |
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continue; |
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} |
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} else { |
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if ($_time - filemtime($_filepath) < $exp_time) { |
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continue; |
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} |
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} |
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} |
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$_count += @unlink($_filepath) ? 1 : 0; |
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if (function_exists('opcache_invalidate') |
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&& (!function_exists('ini_get') || strlen(ini_get("opcache.restrict_api")) < 1) |
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) { |
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opcache_invalidate($_filepath, true); |
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} elseif (function_exists('apc_delete_file')) { |
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apc_delete_file($_filepath); |
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} |
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} |
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} |
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} |
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} |
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return $_count; |
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} |
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}
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