112 строки
2,8 КиБ
PHP
112 строки
2,8 КиБ
PHP
<?php
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/**
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* All cache logic
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* Note : adapter are store in other place
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*/
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interface CacheInterface{
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public function loadData();
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public function saveData($datas);
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public function getTime();
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}
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abstract class CacheAbstract implements CacheInterface{
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protected $param;
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public function prepare(array $param){
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$this->param = $param;
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return $this;
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}
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}
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class Cache{
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static protected $dirCache;
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public function __construct(){
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throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
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}
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static public function create($nameCache){
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if( !static::isValidNameCache($nameCache) ){
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throw new \InvalidArgumentException('Name cache must be at least one uppercase follow or not by alphanumeric or dash characters.');
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}
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$pathCache = self::getDir() . $nameCache . '.php';
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if( !file_exists($pathCache) ){
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throw new \Exception('The cache you looking for does not exist.');
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}
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require_once $pathCache;
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return new $nameCache();
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}
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static public function setDir($dirCache){
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if( !is_string($dirCache) ){
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throw new \InvalidArgumentException('Dir cache must be a string.');
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}
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if( !file_exists($dirCache) ){
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throw new \Exception('Dir cache does not exist.');
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}
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self::$dirCache = $dirCache;
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}
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static public function getDir(){
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$dirCache = self::$dirCache;
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if( is_null($dirCache) ){
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throw new \LogicException(__CLASS__ . ' class need to know cache path !');
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}
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return $dirCache;
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}
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static public function isValidNameCache($nameCache){
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return preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameCache);
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}
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static public function utf8_encode_deep(&$input) {
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if (is_string($input)) {
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$input = utf8_encode($input);
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} else if (is_array($input)) {
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foreach ($input as &$value) {
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Cache::utf8_encode_deep($value);
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}
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unset($value);
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} else if (is_object($input)) {
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$vars = array_keys(get_object_vars($input));
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foreach ($vars as $var) {
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Cache::utf8_encode_deep($input->$var);
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}
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}
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}
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static public function purge() {
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$cacheTimeLimit = time() - 60*60*24 ;
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$cachePath = 'cache';
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if(file_exists($cachePath)) {
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$cacheIterator = new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($cachePath),
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RecursiveIteratorIterator::CHILD_FIRST
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);
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foreach ($cacheIterator as $cacheFile) {
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if (in_array($cacheFile->getBasename(), array('.', '..')))
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continue;
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elseif ($cacheFile->isFile()) {
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if( filemtime($cacheFile->getPathname()) < $cacheTimeLimit )
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unlink( $cacheFile->getPathname() );
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}
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}
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}
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}
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}
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