انشعاب شده از blallo/rss-bridge
94 خطوط
2.2 KiB
PHP
94 خطوط
2.2 KiB
PHP
<?php
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require_once(__DIR__ . '/CacheInterface.php');
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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($nameCache)){
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throw new \InvalidArgumentException('Name cache must be at least one
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uppercase follow or not by alphanumeric or dash characters.');
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}
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$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($input);
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} elseif(is_array($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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} elseif(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() - 86400; // 86400 -> 24h
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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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