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<?php |
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/* |
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* This file is part of the Cache package. |
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* |
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* Copyright (c) Daniel González |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Daniel González <[email protected]> |
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* @author Arnold Daniels <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Desarrolla2\Cache; |
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use Desarrolla2\Cache\Packer\PackerInterface; |
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use Desarrolla2\Cache\Packer\SerializePacker; |
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/** |
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* Memory |
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*/ |
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class Memory extends AbstractCache |
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{ |
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/** |
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* Limit the amount of entries |
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* @var int |
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*/ |
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protected $limit = PHP_INT_MAX; |
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/** |
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* @var array |
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*/ |
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protected $cache = []; |
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/** |
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* @var array |
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*/ |
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protected $cacheTtl = []; |
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/** |
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* Create the default packer for this cache implementation. |
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* {@internal NopPacker might fail PSR-16, as cached objects would change} |
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* |
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* @return PackerInterface |
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*/ |
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protected static function createDefaultPacker(): PackerInterface |
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{ |
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return new SerializePacker(); |
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} |
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/** |
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* Make a clone of this object. |
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* Set by cache reference, thus using the same pool. |
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* |
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* @return static |
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*/ |
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protected function cloneSelf(): AbstractCache |
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{ |
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$clone = clone $this; |
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$clone->cache =& $this->cache; |
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$clone->cacheTtl =& $this->cacheTtl; |
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return $clone; |
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} |
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/** |
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* Set the max number of items |
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* |
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* @param int $limit |
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*/ |
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protected function setLimitOption($limit) |
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{ |
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$this->limit = (int)$limit ?: PHP_INT_MAX; |
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} |
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/** |
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* Get the max number of items |
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* |
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* @return int |
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*/ |
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protected function getLimitOption() |
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{ |
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return $this->limit; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key, $default = null) |
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{ |
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if (!$this->has($key)) { |
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return $default; |
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} |
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$id = $this->keyToId($key); |
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return $this->unpack($this->cache[$id]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key) |
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{ |
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$id = $this->keyToId($key); |
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if (!isset($this->cacheTtl[$id])) { |
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return false; |
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} |
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if ($this->cacheTtl[$id] <= time()) { |
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unset($this->cache[$id], $this->cacheTtl[$id]); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value, $ttl = null) |
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{ |
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if (count($this->cache) >= $this->limit) { |
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$deleteKey = key($this->cache); |
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unset($this->cache[$deleteKey], $this->cacheTtl[$deleteKey]); |
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} |
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$id = $this->keyToId($key); |
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$this->cache[$id] = $this->pack($value); |
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$this->cacheTtl[$id] = $this->ttlToTimestamp($ttl) ?? PHP_INT_MAX; |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($key) |
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{ |
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$id = $this->keyToId($key); |
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unset($this->cache[$id], $this->cacheTtl[$id]); |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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410 |
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public function clear() |
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{ |
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$this->cache = []; |
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$this->cacheTtl = []; |
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return true; |
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} |
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} |
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desarrolla2 /
Cache
