<?php/** * Smarty plugin * @package Smarty * @subpackage plugins *//** * Prepend the cache information to the cache file * and write it * * @param string $tpl_file * @param string $cache_id * @param string $compile_id * @param string $results * @return true|null */ // $tpl_file, $cache_id, $compile_id, $resultsfunction smarty_core_write_cache_file($params, &$smarty){    // put timestamp in cache header    $smarty->_cache_info['timestamp'] = time();    if ($smarty->cache_lifetime > -1){        // expiration set        $smarty->_cache_info['expires'] = $smarty->_cache_info['timestamp'] + $smarty->cache_lifetime;    } else {        // cache will never expire        $smarty->_cache_info['expires'] = -1;    }    // collapse nocache.../nocache-tags    if (preg_match_all('!\{(/?)nocache\:[0-9a-f]{32}#\d+\}!', $params['results'], $match, PREG_PATTERN_ORDER)) {        // remove everything between every pair of outermost noache.../nocache-tags        // and replace it by a single nocache-tag        // this new nocache-tag will be replaced by dynamic contents in        // smarty_core_process_compiled_includes() on a cache-read                $match_count = count($match[0]);        $results = preg_split('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!', $params['results'], -1, PREG_SPLIT_DELIM_CAPTURE);                $level = 0;        $j = 0;        for ($i=0, $results_count = count($results); $i < $results_count && $j < $match_count; $i++) {            if ($results[$i] == $match[0][$j]) {                // nocache tag                if ($match[1][$j]) { // closing tag                    $level--;                    unset($results[$i]);                } else { // opening tag                    if ($level++ > 0) unset($results[$i]);                }                $j++;            } elseif ($level > 0) {                unset($results[$i]);            }        }        $params['results'] = implode('', $results);    }    $smarty->_cache_info['cache_serials'] = $smarty->_cache_serials;    // prepend the cache header info into cache file    $_cache_info = serialize($smarty->_cache_info);    $params['results'] = strlen($_cache_info) . "\n" . $_cache_info . $params['results'];    if (!empty($smarty->cache_handler_func)) {        // use cache_handler function        call_user_func_array($smarty->cache_handler_func,                             array('write', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null));    } else {        // use local cache file        if(!@is_writable($smarty->cache_dir)) {            // cache_dir not writable, see if it exists            if(!@is_dir($smarty->cache_dir)) {                $smarty->trigger_error('the $cache_dir \'' . $smarty->cache_dir . '\' does not exist, or is not a directory.', E_USER_ERROR);                return false;            }            $smarty->trigger_error('unable to write to $cache_dir \'' . realpath($smarty->cache_dir) . '\'. Be sure $cache_dir is writable by the web server user.', E_USER_ERROR);            return false;        }        $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']);        $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id);        $_params = array('filename' => $_cache_file, 'contents' => $params['results'], 'create_dirs' => true);        require_once(SMARTY_CORE_DIR . 'core.write_file.php');        smarty_core_write_file($_params, $smarty);        return true;    }}/* vim: set expandtab: */?>