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<?php |
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/** |
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* Created by PhpStorm. |
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* User: jaredchu |
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* Date: 03/08/2017 |
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* Time: 17:17 |
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*/ |
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namespace JC; |
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use JsonMapper; |
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use ReflectionClass; |
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/** |
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* Class SimpleCache |
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* @package JC |
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*/ |
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class SimpleCache |
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{ |
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/** |
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* @param $key |
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* @param $data |
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* @return bool |
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* |
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* Add object to cache list and save object as json file |
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*/ |
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public static function add($key, $data, $ttl = 0) |
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{ |
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$tempFilePath = static::getTempFile($key) ?: static::createTempFile($key, $ttl); |
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return (bool)file_put_contents($tempFilePath, static::encode($data)); |
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} |
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/** |
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* @param $key |
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* @param string $className |
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* @return object|bool |
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* |
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* Fetch object from cache |
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*/ |
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public static function fetch($key, $className) |
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{ |
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if (CacheManager::has($key)) { |
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$dataString = file_get_contents(static::getTempFile($key)); |
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$mapper = new JsonMapper(); |
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return $mapper->map(static::decode($dataString), (new ReflectionClass($className))->newInstanceWithoutConstructor()); |
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} |
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return false; |
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} |
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/** |
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* @param $key |
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* @return bool |
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* |
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* Remove object from cache |
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*/ |
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public static function remove($key) |
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{ |
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if (CacheManager::has($key)) { |
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unlink(CacheManager::get($key)); |
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return CacheManager::remove($key); |
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} |
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return false; |
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} |
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/** |
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* @param $key |
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* @return bool |
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* |
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* Check object is cached or not |
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*/ |
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public static function exists($key) |
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{ |
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return file_exists(static::getTempFile($key)); |
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} |
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/** |
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* @param $key |
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* @return bool|string |
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*/ |
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public static function getTempFile($key) |
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{ |
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if (CacheManager::has($key)) { |
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return CacheManager::get($key); |
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} |
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return false; |
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} |
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/** |
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* @param $key |
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* @return bool|string |
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*/ |
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public static function createTempFile($key, $ttl) |
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{ |
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$tempFilePath = tempnam(sys_get_temp_dir(), $key); |
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CacheManager::set($key, $tempFilePath, $ttl); |
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return $tempFilePath; |
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} |
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/** |
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* @param object $object |
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* @return string |
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*/ |
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protected static function encode($object) |
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{ |
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return json_encode($object); |
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} |
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/** |
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* @param string $string |
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* @return object |
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*/ |
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protected static function decode($string) |
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{ |
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return json_decode($string); |
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} |
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} |
jaredchu /
Simple-Cache
