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- <?php
- /**
- * All cache logic
- * Note : adapter are store in other place
- */
- interface CacheInterface{
- public function loadData();
- public function saveData($datas);
- public function getTime();
- }
- abstract class CacheAbstract implements CacheInterface{
- protected $param;
- public function prepare(array $param){
- $this->param = $param;
- return $this;
- }
- }
- class Cache{
- static protected $dirCache;
- public function __construct(){
- throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
- }
- static public function create($nameCache){
- if( !static::isValidNameCache($nameCache) ){
- throw new \InvalidArgumentException('Name cache must be at least one uppercase follow or not by alphanumeric or dash characters.');
- }
- $pathCache = self::getDir() . $nameCache . '.php';
- if( !file_exists($pathCache) ){
- throw new \Exception('The cache you looking for does not exist.');
- }
- require_once $pathCache;
- return new $nameCache();
- }
- static public function setDir($dirCache){
- if( !is_string($dirCache) ){
- throw new \InvalidArgumentException('Dir cache must be a string.');
- }
- if( !file_exists($dirCache) ){
- throw new \Exception('Dir cache does not exist.');
- }
- self::$dirCache = $dirCache;
- }
- static public function getDir(){
- $dirCache = self::$dirCache;
- if( is_null($dirCache) ){
- throw new \LogicException(__CLASS__ . ' class need to know cache path !');
- }
- return $dirCache;
- }
- static public function isValidNameCache($nameCache){
- return preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameCache);
- }
- static public function utf8_encode_deep(&$input) {
- if (is_string($input)) {
- $input = utf8_encode($input);
- } else if (is_array($input)) {
- foreach ($input as &$value) {
- Cache::utf8_encode_deep($value);
- }
- unset($value);
- } else if (is_object($input)) {
- $vars = array_keys(get_object_vars($input));
- foreach ($vars as $var) {
- Cache::utf8_encode_deep($input->$var);
- }
- }
- }
-
- static public function purge() {
- $cacheTimeLimit = time() - 60*60*24 ;
- $cachePath = 'cache';
- if(file_exists($cachePath)) {
- $cacheIterator = new RecursiveIteratorIterator(
- new RecursiveDirectoryIterator($cachePath),
- RecursiveIteratorIterator::CHILD_FIRST
- );
- foreach ($cacheIterator as $cacheFile) {
- if (in_array($cacheFile->getBasename(), array('.', '..')))
- continue;
- elseif ($cacheFile->isFile()) {
- if( filemtime($cacheFile->getPathname()) < $cacheTimeLimit )
- unlink( $cacheFile->getPathname() );
- }
- }
- }
- }
- }
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