110 lines
3.0 KiB
PHP
110 lines
3.0 KiB
PHP
<?php
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/*
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+--------------------------------------------------------------------------
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| CubeCart 4
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| ========================================
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| CubeCart is a registered trade mark of Devellion Limited
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| Copyright Devellion Limited 2006. All rights reserved.
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| Devellion Limited,
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| 5 Bridge Street,
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| Bishops Stortford,
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| HERTFORDSHIRE.
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| CM23 2JU
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| UNITED KINGDOM
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| http://www.devellion.com
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| UK Private Limited Company No. 5323904
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| ========================================
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| Web: http://www.cubecart.com
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| Email: info (at) cubecart (dot) com
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| License Type: CubeCart is NOT Open Source Software and Limitations Apply
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| Licence Info: http://www.cubecart.com/site/faq/license.php
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+--------------------------------------------------------------------------
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| cache.php
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| ========================================
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| Cache Class to Save MySQL Processes
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+--------------------------------------------------------------------------
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*/
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class cache {
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var $filename;
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var $out;
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var $cacheStatus = false;
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var $identifier;
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function cache($identifier = null) {
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if (!$this->enabled()) return false;
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if (!cc_is_wriatble(CC_ROOT_DIR.CC_DS."cache")) die("<strong>Error: ".CC_DS."cache folder is not writable!</strong> This can be made writable by accessing your store files with an FTP client or via your web hosting control panel if it has a file manager. The cache folder requires a file permission of 0777 (or as high as your hosting company allows e.g. 0775)");
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$this->identifier = $identifier;
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$this->filename .= CC_ROOT_DIR.CC_DS."cache".CC_DS;
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$this->readCache(false);
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}
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function enabled() {
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global $config;
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return ($config['cache']) ? true : false;
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}
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function writeCache($dataIn) {
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if (!$this->enabled()) return false;
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$this->filename .= $this->path();
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$this->out = serialize($dataIn);
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return $this->write();
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}
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function clearCache() {
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if (!$this->enabled()) return false;
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if (!empty($this->identifier)) {
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$filename = $this->filename.$this->path();
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@unlink($filename);
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#########################
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} else {
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foreach(glob($this->filename."*.php") as $filename) {
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@unlink($filename);
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}
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}
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}
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function path() {
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if (!$this->enabled()) return false;
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return $this->identifier.".inc.php";
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}
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function write() {
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if (!$this->enabled()) return false;
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if (strlen($this->out)>0) {
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if (!$handle = fopen($this->filename, 'w')) {
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$error = true;
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}
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if (fwrite($handle, $this->out) === false) {
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$error = TRUE;
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}
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fclose($handle);
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if ($error) {
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die("Cache not writable! Please disable cache functionality or make it writable.");
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} else {
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return true;
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}
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}
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}
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function readCache($return = true) {
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if (!$this->enabled()) return false;
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$cacheFile = $this->filename.$this->path();
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if (!@file_exists($cacheFile)) {
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return false;
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} else {
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$this->cacheStatus = true;
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}
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if ($return == true) {
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$fileConts = file_get_contents($cacheFile);
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$data = unserialize($fileConts);
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return (!empty($data)) ? $data : false;
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}
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}
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}
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?>
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