140 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| /**
 | |
|  * Smarty cache resource file clear method
 | |
|  *
 | |
|  * @package    Smarty
 | |
|  * @subpackage PluginsInternal
 | |
|  * @author     Uwe Tews
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * Smarty Internal Runtime Cache Resource File Class
 | |
|  *
 | |
|  * @package    Smarty
 | |
|  * @subpackage PluginsInternal
 | |
|  */
 | |
| class Smarty_Internal_Runtime_CacheResourceFile
 | |
| {
 | |
|     /**
 | |
|      * 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 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 .= $id_part . '/';
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         if (isset($resource_name)) {
 | |
|             $_save_stat = $smarty->caching;
 | |
|             $smarty->caching = Smarty::CACHING_LIFETIME_CURRENT;
 | |
|             $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) === '.') {
 | |
|                     continue;
 | |
|                 }
 | |
|                 $_filepath = (string)$_file;
 | |
|                 // directory ?
 | |
|                 if ($_file->isDir()) {
 | |
|                     if (!$_cache->isDot()) {
 | |
|                         // delete folder if empty
 | |
|                         @rmdir($_file->getPathname());
 | |
|                     }
 | |
|                 } else {
 | |
|                     // delete only php files
 | |
|                     if (substr($_filepath, -4) !== '.php') {
 | |
|                         continue;
 | |
|                     }
 | |
|                     $_parts = explode($_dir_sep, str_replace('\\', '/', substr($_filepath, $_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[ $i ]) {
 | |
|                                 continue 2;
 | |
|                             }
 | |
|                         }
 | |
|                     }
 | |
|                     if (is_file($_filepath)) {
 | |
|                         // expired ?
 | |
|                         if (isset($exp_time)) {
 | |
|                             if ($exp_time < 0) {
 | |
|                                 preg_match('#\'cache_lifetime\' =>\s*(\d*)#', file_get_contents($_filepath), $match);
 | |
|                                 if ($_time < (filemtime($_filepath) + $match[ 1 ])) {
 | |
|                                     continue;
 | |
|                                 }
 | |
|                             } else {
 | |
|                                 if ($_time - filemtime($_filepath) < $exp_time) {
 | |
|                                     continue;
 | |
|                                 }
 | |
|                             }
 | |
|                         }
 | |
|                         $_count += @unlink($_filepath) ? 1 : 0;
 | |
|                         if (function_exists('opcache_invalidate')
 | |
|                             && (!function_exists('ini_get') || strlen(ini_get("opcache.restrict_api")) < 1)
 | |
|                         ) {
 | |
|                             opcache_invalidate($_filepath, true);
 | |
|                         } elseif (function_exists('apc_delete_file')) {
 | |
|                             apc_delete_file($_filepath);
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         return $_count;
 | |
|     }
 | |
| }
 | 
