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<?php |
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/** |
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* Adapter for Memcached |
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* |
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* @file MemcachedAdapter.php |
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* |
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* PHP version 8.0+ |
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* |
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* @author Alexander Yancharuk <alex at itvault dot info> |
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* @copyright © 2012-2021 Alexander Yancharuk |
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* @date 8/21/13 18:42 |
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* @license The BSD 3-Clause License |
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* <https://tldrlegal.com/license/bsd-3-clause-license-(revised)> |
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*/ |
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namespace Veles\Cache\Adapters; |
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use Exception; |
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use Memcached; |
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/** |
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* Class MemcachedAdapter |
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* @author Alexander Yancharuk <alex at itvault dot info> |
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*/ |
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class MemcachedAdapter extends CacheAdapterAbstract implements CacheAdapterInterface |
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{ |
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/** |
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* Create Memcached class instance and connect to memcached pool |
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*/ |
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protected function __construct() |
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{ |
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$this->setDriver(new Memcached); |
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} |
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/** |
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* Get data |
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* |
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* @param string $key Key |
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* @return mixed |
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*/ |
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public function get($key) |
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{ |
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return $this->getDriver()->get($key); |
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} |
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/** |
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* Save data |
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* |
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* @param string $key Key |
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* @param mixed $value Data |
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* @param int $ttl Time to live |
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* @return bool |
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*/ |
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public function set($key, $value, $ttl) |
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{ |
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return $this->getDriver()->set($key, $value, $ttl); |
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} |
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/** |
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* Save data if key not exists |
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* |
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* @param string $key Key |
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* @param mixed $value Data |
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* @param int $ttl Time to live |
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* |
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* @return mixed |
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*/ |
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public function add($key, $value, $ttl) |
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{ |
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return $this->getDriver()->add($key, $value, $ttl); |
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} |
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/** |
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* Check if data stored in cache |
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* |
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* @param string $key Key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return (bool) $this->getDriver()->get($key); |
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} |
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/** |
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* Delete data |
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* |
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* @param string $key Key |
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* @return bool |
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*/ |
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public function del($key) |
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{ |
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return $this->getDriver()->delete($key); |
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} |
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/** |
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* Method for deletion keys by template |
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* |
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* ATTENTION: if key contains spaces, for example 'THIS IS KEY::ID:50d98ld', |
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* then in cache it will be saved as 'THIS_IS_KEY::ID:50d98ld'. So, template |
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* for that key deletion must be look like - 'THIS_IS_KEY'. |
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* Deletion can be made by substring, containing in keys. For example |
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* '_KEY::ID'. |
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* |
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* @param string $tpl Substring containing in needed keys |
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* @return bool |
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*/ |
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public function delByTemplate($tpl) |
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{ |
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try { |
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$cache = new MemcacheRaw(); |
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$cache->delByTemplate($tpl)->disconnect(); |
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return true; |
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} catch (Exception $e) { |
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return false; |
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} |
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} |
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/** |
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* Cache cleanup |
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* |
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* @return bool |
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*/ |
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public function clear() |
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{ |
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return $this->getDriver()->flush(); |
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} |
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/** |
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* Increment key value |
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* |
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* @param string $key Key |
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* @param int $offset Offset |
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* |
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* @return bool|int |
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*/ |
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3 |
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public function increment($key, $offset) |
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{ |
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3 |
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return $this->getDriver()->increment($key, $offset); |
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} |
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/** |
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* Decrement key value |
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* |
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* @param string $key Key |
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* @param int $offset Offset |
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* |
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* @return bool|int |
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*/ |
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149
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3 |
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public function decrement($key, $offset) |
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{ |
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3 |
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return $this->getDriver()->decrement($key, $offset); |
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} |
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} |
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nafigator /
Veles
