110 lines
2.3 KiB
PHP
110 lines
2.3 KiB
PHP
<?php
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/**
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* [Discuz!] (C)2001-2099 Comsenz Inc.
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* This is NOT a freeware, use is subject to license terms
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*
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* $Id: memory_driver_yac.php 27635 2017-02-02 17:02:46Z NaiXiaoxIN $
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*/
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if (!defined('IN_DISCUZ')) {
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exit('Access Denied');
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}
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class memory_driver_file {
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public $cacheName = 'File';
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public $enable;
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public $path;
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public function env() {
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return true;
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}
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public function init($config) {
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$this->path = $config['server'].'/';
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if($config['server']) {
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$this->enable = is_dir(DISCUZ_ROOT.$this->path);
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if(!$this->enable) {
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dmkdir(DISCUZ_ROOT.$this->path);
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$this->enable = is_dir(DISCUZ_ROOT.$this->path);
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}
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} else {
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$this->enable = false;
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}
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}
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private function cachefile($key) {
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return str_replace('_', '/', $key).'/'.$key;
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}
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public function get($key) {
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$file = DISCUZ_ROOT.$this->path.$this->cachefile($key).'.php';
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if(!file_exists($file)) {
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return false;
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}
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$data = null;
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@include $file;
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if($data !== null) {
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if($data['exp'] && $data['exp'] < TIMESTAMP) {
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return false;
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} else {
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return $data['data'];
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}
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} else {
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return false;
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}
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}
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public function set($key, $value, $ttl = 0) {
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$file = DISCUZ_ROOT.$this->path.$this->cachefile($key).'.php';
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dmkdir(dirname($file));
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$data = array(
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'exp' => $ttl ? TIMESTAMP + $ttl : 0,
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'data' => $value,
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);
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file_put_contents($file, "<?php\n\$data = ".var_export($data, 1).";\n");
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return true;
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}
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public function rm($key) {
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return @unlink(DISCUZ_ROOT.$this->path.$this->cachefile($key).'.php');
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}
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private function dir_clear($dir) {
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if($directory = @dir($dir)) {
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while($entry = $directory->read()) {
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$filename = $dir.'/'.$entry;
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if($entry != '.' && $entry != '..') {
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if(is_file($filename)) {
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@unlink($filename);
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} else {
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$this->dir_clear($filename);
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@rmdir($filename);
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}
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}
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}
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$directory->close();
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}
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}
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public function clear() {
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return $this->dir_clear(DISCUZ_ROOT.$this->path);
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}
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public function inc($key, $step = 1) {
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$old = $this->get($key);
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if (!$old) {
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return false;
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}
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return $this->set($key, $old + $step);
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}
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public function dec($key, $step = 1) {
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$old = $this->get($key);
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if (!$old) {
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return false;
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}
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return $this->set($key, $old - $step);
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}
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} |