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php_fast_cache.php
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<?php
/* Updated 5/12/2013
* ALl EXAMPLE & DOCUMENT ARE ON www.phpFastCache.com
* Example:
* phpFastCache::$storage = "auto"; // use multi files for caching.
* phpFastCache::$path = "/PATH/TO/CACHE/FOLDER";
*
* phpFastCache::set("keyword", $value, $time_in_second);
* $value = phpFastCache::get("keyword");
*
*/
class phpFastCache {
// Public OPTIONS
// Can be set by phpFastCache::$option_name = $value|array|string
public static $storage = "auto"; // PDO | mpdo | Auto | Files | memcache | apc | wincache | xcache
public static $files_cleanup_after = 1; // hour | auto clean up files after this
public static $autosize = 40; // Megabytes
public static $path = ""; // PATH/TO/CACHE/ default will be current path
public static $securityKey = "cache.storage"; // phpFastCache::$securityKey = "newKey";
public static $option = array();
public static $server = array(array("localhost",11211)); // for MemCache
public static $useTmpCache = false; // use for get from Tmp Memory, will be faster in checking cache on LOOP.
// NOTHING TO CHANGE FROM HERE
private static $Tmp = array();
private static $supported_api = array("pdo","mpdo","files","memcache","memcached","apc","xcache","wincache");
private static $filename = "PDO.Caching";
private static $table = "objects";
private static $autodb = "";
private static $multiPDO = array();
public static $sys = "";
private static $checked = array(
"path" => false,
"servers" => array(),
"config_file" => "",
);
private static $objects = array(
"memcache" => "",
"memcached" => "",
"pdo" => "",
);
private static function getOS() {
$os = array(
"os" => PHP_OS,
"php" => PHP_SAPI,
"system" => php_uname(),
"unique" => md5(php_uname().PHP_OS.PHP_SAPI)
);
return $os;
}
public static function systemInfo() {
if(self::$sys == "") {
self::$sys['os'] = self::getOS();
self::$sys['errors'] = array();
self::$sys['storage'] = "";
self::$sys['method'] = "pdo";
self::$sys['drivers'] = array(
"apc" => false,
"xcache" => false,
"memcache" => false,
"memcached" => false,
"wincache" => false,
"pdo" => false,
"mpdo" => false,
"files" => false,
);
// Check apc
if(extension_loaded('apc') && ini_get('apc.enabled'))
{
self::$sys['drivers']['apc'] = true;
self::$sys['storage'] = "memory";
self::$sys['method'] = "apc";
}
// Check xcache
if(extension_loaded('xcache') && function_exists("xcache_get"))
{
self::$sys['drivers']['xcache'] = true;
self::$sys['storage'] = "memory";
self::$sys['method'] = "xcache";
}
if(extension_loaded('wincache') && function_exists("wincache_ucache_set"))
{
self::$sys['drivers']['wincache'] = true;
self::$sys['storage'] = "memory";
self::$sys['method'] = "wincache";
}
// Check memcache
if(function_exists("memcache_connect")) {
self::$sys['drivers']['memcache'] = true;
try {
memcache_connect("127.0.0.1");
self::$sys['storage'] = "memory";
self::$sys['method'] = "memcache";
} catch (Exception $e) {
}
}
// Check memcached
if(class_exists("memcached")) {
self::$sys['drivers']['memcached'] = true;
try {
$memcached = new memcached();
$memcached->addServer("127.0.0.1","11211");
self::$sys['storage'] = "memory";
self::$sys['method'] = "memcached";
} catch (Exception $e) {
}
}
if(extension_loaded('pdo_sqlite')) {
self::$sys['drivers']['pdo'] = true;
self::$sys['drivers']['mpdo'] = true;
}
if(is_writable(self::getPath(true))) {
self::$sys['drivers']['files'] = true;
}
if(self::$sys['storage'] == "") {
if(extension_loaded('pdo_sqlite')) {
self::$sys['storage'] = "disk";
self::$sys['method'] = "pdo";
} else {
self::$sys['storage'] = "disk";
self::$sys['method'] = "files";
}
}
if(self::$sys['storage'] == "disk" && !is_writable(self::getPath())) {
self::$sys['errors'][] = "Please Create & CHMOD 0777 or any Writeable Mode for ".self::getPath();
}
}
return self::$sys;
}
// return Folder Cache PATH
// PATH Edit by SecurityKey
// Auto create, Chmod and Warning
private static function getPath($skip_create = false) {
if (self::$path=='')
{
self::$path = dirname(__FILE__);
}
if($skip_create == false && self::$checked['path'] == false) {
if(!file_exists(self::$path."/".self::$securityKey."/") || !is_writable(self::$path."/".self::$securityKey."/")) {
if(!file_exists(self::$path."/".self::$securityKey."/")) {
@mkdir(self::$path."/".self::$securityKey."/",0777);
}
if(!is_writable(self::$path."/".self::$securityKey."/")) {
@chmod(self::$path."/".self::$securityKey."/",0777);
}
if(!file_exists(self::$path."/".self::$securityKey."/") || !is_writable(self::$path."/".self::$securityKey."/")) {
die("Sorry, Please create ".self::$path."/".self::$securityKey."/ and SET Mode 0777 or any Writable Permission!" );
}
}
self::$checked['path'] = true;
}
return self::$path."/".self::$securityKey."/";
}
// return method automatic;
// APC will be TOP, then Memcached, Memcache, PDO and Files
public static function autoconfig($name = "") {
$cache = self::cacheMethod($name);
if($cache != "" && $cache != self::$storage && $cache!="auto") {
return $cache;
}
$os = self::getOS();
if(self::$storage == "" || self::$storage == "auto") {
if(extension_loaded('apc') && ini_get('apc.enabled') && strpos(PHP_SAPI,"CGI") === false)
{
self::$sys['drivers']['apc'] = true;
self::$sys['storage'] = "memory";
self::$sys['method'] = "apc";
}elseif(extension_loaded('xcache'))
{
self::$sys['drivers']['xcache'] = true;
self::$sys['storage'] = "memory";
self::$sys['method'] = "xcache";
} else {
// fix PATH for existing
$reconfig = false;
if (file_exists(self::getPath()."/config.".$os['os']['unique'].".cache.ini"))
{
$info = self::decode(file_get_contents(self::getPath()."/config.".$os['os']['unique'].".cache.ini"));
if(!isset($info['value'])) {
$reconfig = true;
} else {
$info = $info['value'];
}
} else {
$info = self::systemInfo();
}
if(isset($info['os']['unique'])) {
if($info['os']['unique'] != $os['os']['unique']) {
$reconfig = true;
}
} else {
$reconfig = true;
}
if(!file_exists(self::getPath()."/config.".$os['os']['unique'].".cache.ini") || $reconfig == true) {
$info = self::systemInfo();
try {
$f = fopen(self::getPath()."/config.".$os['os']['unique'].".cache.ini","w+");
fwrite($f,self::encode($info));
fclose($f);
} catch (Exception $e) {
die("Please chmod 0777 ".self::getPath()."/config.".$os['os']['unique'].".cache.ini");
}
}
}
self::$storage = self::$sys['method'];
} else {
if(in_array(self::$storage,array("files","pdo","mpdo"))) {
self::$sys['storage'] = "disk";
}elseif(in_array(self::$storage,array("apc","memcache","memcached","wincache","xcache"))) {
self::$sys['storage'] = "memory";
} else {
self::$sys['storage'] = "";
}
if(self::$sys['storage'] == "" || !in_array(self::$storage,self::$supported_api)) {
die("Don't have this Cache ".self::$storage." In your System! Please double check!");
}
self::$sys['method'] = strtolower(self::$storage);
}
if(self::$sys['method'] == "files") {
$last_cleanup = self::files_get("last_cleanup_cache");
if($last_cleanup == null) {
self::files_cleanup();
self::files_set("last_cleanup_cache",@date("U"),3600*self::$files_cleanup_after);
}
}
return self::$sys['method'];
}
private static function cacheMethod($name = "") {
$cache = self::$storage;
if(is_array($name)) {
$key = array_keys($name);
$key = $key[0];
if(in_array($key,self::$supported_api)) {
$cache = $key;
}
}
return $cache;
}
public static function safename($name) {
return strtolower(preg_replace("/[^a-zA-Z0-9_\s\.]+/","",$name));
}
private static function encode($value,$time_in_second = "") {
$value = serialize(array(
"time" => @date("U"),
"value" => $value,
"endin" => $time_in_second
));
return $value;
}
private static function decode($value) {
$x = @unserialize($value);
if($x == false) {
return $value;
} else {
return $x;
}
}
/*
* Start Public Static
*/
public static function cleanup($option = "") {
$api = self::autoconfig();
self::$Tmp = array();
switch ($api) {
case "pdo":
return self::pdo_cleanup($option);
break;
case "mpdo":
return self::pdo_cleanup($option);
break;
case "files":
return self::files_cleanup($option);
break;
case "memcache":
return self::memcache_cleanup($option);
break;
case "memcached":
return self::memcached_cleanup($option);
break;
case "wincache":
return self::wincache_cleanup($option);
break;
case "apc":
return self::apc_cleanup($option);
break;
case "xcache":
return self::xcache_cleanup($option);
break;
default:
return self::pdo_cleanup($option);
break;
}
}
public static function delete($name = "string|array(db->item)") {
$api = self::autoconfig($name);
if(self::$useTmpCache == true) {
$tmp_name = md5(serialize($api.$name));
if(isset(self::$Tmp[$tmp_name])) {
unset(self::$Tmp[$tmp_name]);
}
}
switch ($api) {
case "pdo":
return self::pdo_delete($name);
break;
case "mpdo":
return self::pdo_delete($name);
break;
case "files":
return self::files_delete($name);
break;
case "memcache":
return self::memcache_delete($name);
break;
case "memcached":
return self::memcached_delete($name);
break;
case "wincache":
return self::wincache_delete($name);
break;
case "apc":
return self::apc_delete($name);
break;
case "xcache":
return self::xcache_delete($name);
break;
default:
return self::pdo_delete($name);
break;
}
}
public static function exists($name = "string|array(db->item)") {
$api = self::autoconfig($name);
switch ($api) {
case "pdo":
return self::pdo_exist($name);
break;
case "mpdo":
return self::pdo_exist($name);
break;
case "files":
return self::files_exist($name);
break;
case "memcache":
return self::memcache_exist($name);
break;
case "memcached":
return self::memcached_exist($name);
break;
case "wincache":
return self::wincache_exist($name);
break;
case "apc":
return self::apc_exist($name);
break;
case "xcache":
return self::xcache_exist($name);
break;
default:
return self::pdo_exist($name);
break;
}
}
public static function deleteMulti($object = array()) {
$res = array();
foreach($object as $driver=>$name) {
if(!is_numeric($driver)) {
$n = $driver."_".$name;
$name = array($driver=>$name);
} else {
$n = $name;
}
$res[$n] = self::delete($name);
}
return $res;
}
public static function setMulti($mname = array(), $time_in_second_for_all = 600, $skip_for_all = false) {
$res = array();
foreach($mname as $object){
// print_r($object);
$keys = array_keys($object);
if($keys[0] != "0") {
$k = $keys[0];
$name = isset($object[$k]) ? array($k => $object[$k]) : "";
$n = $k."_".$object[$k];
$x=0;
} else {
$name = isset($object[0]) ? $object[0] : "";
$x=1;
$n = $name;
}
$value = isset($object[$x]) ? $object[$x] : "";$x++;
$time = isset($object[$x]) ? $object[$x] : $time_in_second_for_all;$x++;
$skip = isset($object[$x]) ? $object[$x] : $skip_for_all;$x++;
if($name!="" && $value!="") {
$res[$n] = self::set($name,$value, $time, $skip);
}
// echo "<br> ----- <br>";
}
return $res;
}
public static function set($name,$value,$time_in_second = 600, $skip_if_existing = false) {
$api = self::autoconfig($name);
if(self::$useTmpCache == true) {
$tmp_name = md5(serialize($api.$name));
self::$Tmp[$tmp_name] = $value;
}
switch ($api) {
case "pdo":
return self::pdo_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "mpdo":
return self::pdo_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "files":
return self::files_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "memcache":
return self::memcache_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "memcached":
return self::memcached_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "wincache":
return self::wincache_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "apc":
return self::apc_set($name,$value,$time_in_second, $skip_if_existing);
break;
case "xcache":
return self::xcache_set($name,$value,$time_in_second, $skip_if_existing);
break;
default:
return self::pdo_set($name,$value,$time_in_second, $skip_if_existing);
break;
}
}
public static function decrement($name, $step = 1) {
$api = self::autoconfig($name);
if(self::$useTmpCache == true) {
$tmp_name = md5(serialize($api.$name));
if(isset(self::$Tmp[$tmp_name])) {
self::$Tmp[$tmp_name] = (Int)self::$Tmp[$tmp_name] - $step;
} else {
self::$Tmp[$tmp_name] = $step;
}
}
switch ($api) {
case "pdo":
return self::pdo_decrement($name, $step);
break;
case "mpdo":
return self::pdo_decrement($name, $step);
break;
case "files":
return self::files_decrement($name, $step);
break;
case "memcache":
return self::memcache_decrement($name, $step);
break;
case "memcached":
return self::memcached_decrement($name, $step);
break;
case "wincache":
return self::wincache_decrement($name, $step);
break;
case "apc":
return self::apc_decrement($name, $step);
break;
case "xcache":
return self::xcache_decrement($name, $step);
break;
default:
return self::pdo_decrement($name, $step);
break;
}
}
public static function get($name) {
$api = self::autoconfig($name);
if(self::$useTmpCache == true) {
$tmp_name = md5(serialize($api.$name));
if(isset(self::$Tmp[$tmp_name])) {
return self::$Tmp[$tmp_name];
}
}
// for files, check it if NULL and "empty" string
switch ($api) {
case "pdo":
return self::pdo_get($name);
break;
case "mpdo":
return self::pdo_get($name);
break;
case "files":
return self::files_get($name);
break;
case "memcache":
return self::memcache_get($name);
break;
case "memcached":
return self::memcached_get($name);
break;
case "wincache":
return self::wincache_get($name);
break;
case "apc":
return self::apc_get($name);
break;
case "xcache":
return self::xcache_get($name);
break;
default:
return self::pdo_get($name);
break;
}
}
public static function getMulti($object = array()) {
$res = array();
foreach($object as $driver=>$name) {
if(!is_numeric($driver)) {
$n = $driver."_".$name;
$name = array($driver=>$name);
} else {
$n = $name;
}
$res[$n] = self::get($name);
}
return $res;
}
public static function stats() {
$api = self::autoconfig();
switch ($api) {
case "pdo":
return self::pdo_stats();
break;
case "mpdo":
return self::pdo_stats();
break;
case "files":
return self::files_stats();
break;
case "memcache":
return self::memcache_stats();
break;
case "memcached":
return self::memcached_stats();
break;
case "wincache":
return self::wincache_stats();
break;
case "apc":
return self::apc_stats();
break;
case "xcache":
return self::xcache_stats();
break;
default:
return self::pdo_stats();
break;
}
}
public static function increment($name, $step = 1) {
$api = self::autoconfig($name);
if(self::$useTmpCache == true) {
$tmp_name = md5(serialize($api.$name));
if(isset(self::$Tmp[$tmp_name])) {
self::$Tmp[$tmp_name] = (Int)self::$Tmp[$tmp_name] + $step;
} else {
self::$Tmp[$tmp_name] = $step;
}
}
switch ($api) {
case "pdo":
return self::pdo_increment($name, $step);
break;
case "mpdo":
return self::pdo_increment($name, $step);
break;
case "files":
return self::files_increment($name, $step);
break;
case "memcache":
return self::memcache_increment($name, $step);
break;
case "memcached":
return self::memcached_increment($name, $step);
break;
case "wincache":
return self::wincache_increment($name, $step);
break;
case "apc":
return self::apc_increment($name, $step);
break;
case "xcache":
return self::xcache_increment($name, $step);
break;
default:
return self::pdo_increment($name, $step);
break;
}
}
/*
* Begin FILES Cache Static
* Use Files & Folders to cache
*/
private static function files_exist($name) {
$data = self::files_get($name);
if($data == null) {
return false;
} else {
return true;
}
}
private static function files_set($name,$value,$time_in_second = 600, $skip_if_existing = false) {
$db = self::selectDB($name);
$name = $db['item'];
$folder = $db['db'];
$path = self::getPath();
$tmp = explode("/",$folder);
foreach($tmp as $dir) {
if($dir!="" && $dir !="." && $dir!="..") {
$path.="/".$dir;
if(!file_exists($path)) {
mkdir($path,0777);
}
}
}
$file = $path."/".$name.".c.html";
$write = true;
if(file_exists($file)) {
$data = self::decode(file_get_contents($file));
if($skip_if_existing == true && ((Int)$data['time'] + (Int)$data['endin'] > @date("U")) ) {
$write = false;
}
}
if($write == true ) {
try {
$f = fopen($file,"w+");
fwrite($f,self::encode($value,$time_in_second));
fclose($f);
} catch (Exception $e) {
die("Sorry, can't write cache to file :".$file );
}
}
return $value;
}
private static function files_get($name) {
$db = self::selectDB($name);
$name = $db['item'];
$folder = $db['db'];
$path = self::getPath();
$tmp = explode("/",$folder);
foreach($tmp as $dir) {
if($dir!="" && $dir !="." && $dir!="..") {
$path.="/".$dir;
}
}
$file = $path."/".$name.".c.html";
if(!file_exists($file)) {
return null;
}
$data = self::decode(file_get_contents($file));
if(!isset($data['time']) || !isset($data['endin']) || !isset($data['value'])) {
return null;
}
if($data['time'] + $data['endin'] < @date("U")) {
// exp
unlink($file);
return null;
}
return isset($data['value']) ? $data['value'] : null;
}
private static function files_stats($dir = "") {
$total = array(
"expired" => 0,
"size" => 0,
"files" => 0
);
if($dir == "") {
$dir = self::getPath();
}
$d = opendir($dir);
while($file = readdir($d))
{
if($file!="." && $file != "..") {
$path = $dir."/".$file;
if(is_dir($path)) {
$in = self::files_stats($path);
$total['expired'] = $total['expired'] + $in['expired'];
$total['size'] = $total['size'] + $in['size'];
$total['files'] = $total['files'] + $in['files'];
}
elseif(strpos($path,".c.html")!== false) {
$data = self::decode($path);
if(isset($data['value']) && isset($data['time']) && isset($data['endin'])) {
$total['files']++;
if($data['time'] + $data['endin'] < @date("U")) {
$total['expired']++;
}
$total['size'] = $total['size'] + filesize($path);
}
}
}
}
if($total['size'] > 0) {
$total['size'] = $total['size']/1024/1024;
}
return $total;
}
private static function files_cleanup($dir = "") {
$total = 0;
if($dir == "") {
$dir = self::getPath();
}
$d = opendir($dir);
while($file = readdir($d))
{
if($file!="." && $file != "..") {
$path = $dir."/".$file;
if(is_dir($path)) {
$total = $total + self::files_cleanup($path);
try {
@unlink($path);
} catch (Exception $e) {
// nothing;
}
}
elseif(strpos($path,".c.html")!==false) {
$data = self::decode($path);
if(isset($data['value']) && isset($data['time']) && isset($data['endin'])) {
if($data['time'] + $data['endin'] < @date("U")) {
unlink($path);
$total++;
}
} else {
unlink($path);
$total++;
}
}
}
}
return $total;
}
private static function files_delete($name) {
$db = self::selectDB($name);
$name = $db['item'];
$folder = $db['db'];
$path = self::getPath();
$tmp = explode("/",$folder);
foreach($tmp as $dir) {
if($dir!="" && $dir !="." && $dir!="..") {
$path.="/".$dir;
}
}
$file = $path."/".$name.".c.html";
if(file_exists($file)) {
try {
unlink($file);
return true;
} catch(Exception $e) {
return false;
}
}
return true;
}
private static function files_increment($name, $step = 1) {
$db = self::selectDB($name);
$name = $db['item'];
$folder = $db['db'];
$path = self::getPath();
$tmp = explode("/",$folder);
foreach($tmp as $dir) {
if($dir!="" && $dir !="." && $dir!="..") {
$path.="/".$dir;
}
}
$file = $path."/".$name.".c.html";
if(!file_exists($file)) {
self::files_set($name,$step,3600);
return $step;
}
$data = self::decode(file_get_contents($file));
if(isset($data['time']) && isset($data['value']) && isset($data['endin'])) {
$data['value'] = $data['value'] + $step;
self::files_set($name,$data['value'],$data['endin']);
}
return $data['value'];
}
private static function files_decrement($name, $step = 1) {
$db = self::selectDB($name);
$name = $db['item'];
$folder = $db['db'];
$path = self::getPath();
$tmp = explode("/",$folder);
foreach($tmp as $dir) {
if($dir!="" && $dir !="." && $dir!="..") {
$path.="/".$dir;
}
}
$file = $path."/".$name.".c.html";
if(!file_exists($file)) {
self::files_set($name,$step,3600);
return $step;
}
$data = self::decode(file_get_contents($file));
if(isset($data['time']) && isset($data['value']) && isset($data['endin'])) {
$data['value'] = $data['value'] - $step;
self::files_set($name,$data['value'],$data['endin']);
}
return $data['value'];
}
private static function getMemoryName($name) {
$db = self::selectDB($name);
$name = $db['item'];
$folder = $db['db'];
$name = $folder."_".$name;
// connect memory server
if(self::$sys['method'] == "memcache") {
self::memcache_addserver();
}elseif(self::$sys['method'] == "memcached") {
self::memcached_addserver();
}elseif(self::$sys['method'] == "wincache") {
// init WinCache here
}
return $name;
}
/*