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<?php |
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namespace micro\cache\system; |
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use micro\controllers\admin\popo\CacheFile; |
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use micro\cache\CacheManager; |
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/** |
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* This class is responsible for storing Arrays in PHP files. |
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*/ |
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class ArrayCache extends AbstractDataCache{ |
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/** |
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* |
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* @var int The file mode used when creating new cache files |
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*/ |
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private $_fileMode; |
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/** |
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* Initializes the file cache-provider |
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* @param string $root absolute path to the root-folder where cache-files will be stored |
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* @param string Termination of file names |
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* @param int $fileMode file creation mode; defaults to 0777 |
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*/ |
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public function __construct($root, $postfix="", $fileMode=0777) { |
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parent::__construct($root,$postfix); |
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$this->_fileMode=$fileMode; |
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if (!is_dir($root)) |
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\mkdir($root, $fileMode, true); |
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} |
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/** |
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* Check if annotation-data for the key has been stored. |
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* @param string $key cache key |
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* @return boolean true if data with the given key has been stored; otherwise false |
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*/ |
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public function exists($key) { |
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return file_exists($this->_getPath($key)); |
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} |
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/** |
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* Caches the given data with the given key. |
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* @param string $key cache key |
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* @param string $content the source-code to be cached |
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* @throws AnnotationException if file could not be written |
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*/ |
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protected function storeContent($key,$content,$tag) { |
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$path=$this->_getPath($key); |
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if (@\file_put_contents($path, $content, LOCK_EX) === false) { |
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throw new \Exception("Unable to write cache file: {$path}"); |
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} |
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if (@\chmod($path, $this->_fileMode) === false) { |
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throw new \Exception("Unable to set permissions of cache file: {$path}"); |
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} |
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} |
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/** |
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* Fetches data stored for the given key. |
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* @param string $key cache key |
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* @return mixed the cached data |
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*/ |
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public function fetch($key) { |
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return include ($this->_getPath($key)); |
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} |
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/** |
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* return data stored for the given key. |
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* @param string $key cache key |
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* @return mixed the cached data |
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*/ |
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public function file_get_contents($key) { |
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return \file_get_contents($this->_getPath($key)); |
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} |
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/** |
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* Returns the timestamp of the last cache update for the given key. |
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* |
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* @param string $key cache key |
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* @return int unix timestamp |
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*/ |
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public function getTimestamp($key) { |
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return \filemtime($this->_getPath($key)); |
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} |
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/** |
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* Maps a cache-key to the absolute path of a PHP file |
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* |
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* @param string $key cache key |
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* @return string absolute path of the PHP file |
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*/ |
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private function _getPath($key) { |
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return $this->_root . DIRECTORY_SEPARATOR . $key . $this->postfix . '.php'; |
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} |
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public function remove($key) { |
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$file=$this->_getPath($key); |
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if (\file_exists($file)) |
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\unlink($file); |
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} |
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public function clear() { |
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$files=glob($this->_root . '/*'); |
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foreach ( $files as $file ) { |
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if (\is_file($file)) |
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\unlink($file); |
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} |
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} |
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public function getCacheFiles($type){ |
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return CacheFile::initFromFiles(ROOT . DS .CacheManager::getCacheDirectory().$type, \ucfirst($type),function($file) use($type){$file=\basename($file);return $type."/".substr($file, 0, strpos($file, $this->postfix.'.php'));}); |
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} |
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public function clearCache($type){ |
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CacheFile::delete(ROOT . DS .CacheManager::getCacheDirectory().\strtolower($type)); |
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} |
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public function getCacheInfo(){ |
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$result=parent::getCacheInfo(); |
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$result.="<br>Root cache directory is <b>".$this->_root."</b>."; |
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return $result; |
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} |
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} |
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phpMv /
ubiquity
