Initial commit

production/classes/cache/cache.php

@@ -0,0 +1,110 @@
+<?php
+/*
++--------------------------------------------------------------------------
+|   CubeCart 4
+|   ========================================
+|	CubeCart is a registered trade mark of Devellion Limited
+|   Copyright Devellion Limited 2006. All rights reserved.
+|   Devellion Limited,
+|   5 Bridge Street,
+|   Bishops Stortford,
+|   HERTFORDSHIRE.
+|   CM23 2JU
+|   UNITED KINGDOM
+|   http://www.devellion.com
+|	UK Private Limited Company No. 5323904
+|   ========================================
+|   Web: http://www.cubecart.com
+|   Email: info (at) cubecart (dot) com
+|	License Type: CubeCart is NOT Open Source Software and Limitations Apply 
+|   Licence Info: http://www.cubecart.com/site/faq/license.php
++--------------------------------------------------------------------------
+|	cache.php
+|   ========================================
+|	Cache Class to Save MySQL Processes
++--------------------------------------------------------------------------
+*/
+
+class cache {
+	var $filename;
+	var $out;
+	var $cacheStatus = false;
+	var $identifier;
+	
+	function cache($identifier = null) {
+		if (!$this->enabled()) return false;
+		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)");
+		$this->identifier	 = $identifier;
+		$this->filename		.= CC_ROOT_DIR.CC_DS."cache".CC_DS;
+		$this->readCache(false);
+	}
+	
+	function enabled() {
+		global $config;
+		return ($config['cache']) ? true : false;
+	}
+	
+	function writeCache($dataIn) {
+		if (!$this->enabled()) return false;
+		$this->filename .= 	$this->path();
+		$this->out = serialize($dataIn);	
+		return $this->write();
+	}
+	
+	function clearCache() {
+		if (!$this->enabled()) return false;
+		
+		if (!empty($this->identifier)) {
+			$filename = $this->filename.$this->path();
+			@unlink($filename);
+			
+		#########################	
+			
+		} else {
+			foreach(glob($this->filename."*.php") as $filename) {
+				@unlink($filename);
+			}
+		}
+	}
+	
+	function path() {
+		if (!$this->enabled()) return false;
+		return $this->identifier.".inc.php";
+	}
+	
+	function write() {
+		if (!$this->enabled()) return false;
+		if (strlen($this->out)>0) {
+		   	if (!$handle = fopen($this->filename, 'w')) {
+				$error = true;
+			}
+			
+			if (fwrite($handle, $this->out) === false) {
+				$error = TRUE;
+			}
+			fclose($handle);
+				
+			if ($error) {
+				die("Cache not writable! Please disable cache functionality or make it writable.");
+			} else {
+				return true;
+			}
+		}
+	}
+	
+	function readCache($return = true) {
+		if (!$this->enabled()) return false;
+		$cacheFile = $this->filename.$this->path();
+		if (!@file_exists($cacheFile)) {
+        	return false;
+		} else {
+			$this->cacheStatus = true;
+		}
+		if ($return == true) {
+			$fileConts = file_get_contents($cacheFile);
+			$data = unserialize($fileConts);
+			return (!empty($data)) ? $data : false;
+		}
+	}
+}
+?>