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<?php |
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/** |
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* @link https://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license https://www.yiiframework.com/license/ |
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*/ |
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namespace yii\caching; |
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/** |
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* ArrayCache provides caching for the current request only by storing the values in an array. |
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* |
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* See [[Cache]] for common cache operations that ArrayCache supports. |
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* |
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* Unlike the [[Cache]], ArrayCache allows the expire parameter of [[set]], [[add]], [[multiSet]] and [[multiAdd]] to |
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* be a floating point number, so you may specify the time in milliseconds (e.g. 0.1 will be 100 milliseconds). |
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* |
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* For enhanced performance of ArrayCache, you can disable serialization of the stored data by setting [[$serializer]] to `false`. |
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* |
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* For more details and usage information on Cache, see the [guide article on caching](guide:caching-overview). |
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* |
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* @author Carsten Brandt <[email protected]> |
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* @since 2.0 |
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*/ |
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class ArrayCache extends Cache |
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{ |
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/** |
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* @var \Yiisoft\Cache\ArrayCache $_cache |
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*/ |
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private $_cache; |
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function init() |
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{ |
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$this->_cache = new \Yiisoft\Cache\ArrayCache(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function exists($key) |
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{ |
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return $this->_cache->get($key, null) != null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getValue($key) |
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{ |
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return $this->_cache->get($key, false); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function setValue($key, $value, $duration) |
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{ |
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return $this->_cache->set($key, $value, $duration); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function addValue($key, $value, $duration) |
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{ |
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if ($this->_cache->get($key, null) != null) { |
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return false; |
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} |
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$this->_cache->set($key, $value, $duration); |
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return true; |
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} |
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1 |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function deleteValue($key) |
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{ |
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return $this->_cache->delete($key); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function flushValues() |
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{ |
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return $this->_cache->clear(); |
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} |
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} |
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yiisoft /
yii2
