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<?php |
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/** |
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* Linna Framework. |
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* |
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* @author Sebastian Rapetti <[email protected]> |
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* @copyright (c) 2018, Sebastian Rapetti |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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declare(strict_types=1); |
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namespace Linna\Cache; |
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/** |
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* ActionMultipleTrait. |
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*/ |
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trait ActionMultipleTrait |
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{ |
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/** |
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* Express Requirements by Abstract Methods. |
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* |
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* @param string $key The unique key of this item in the cache. |
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* @param mixed $default Default value to return if the key does not exist. |
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* |
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* @return mixed The value of the item from the cache, or $default in case of cache miss. |
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*/ |
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abstract public function get(string $key, $default = null); |
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/** |
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* Express Requirements by Abstract Methods. |
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* |
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* @param string $key The key of the item to store. |
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* @param mixed $value The value of the item to store, must be serializable. |
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* @param int $ttl Optional. The TTL (time to live) value in seconds of this item. |
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* If no value is sent and the driver supports TTL then the |
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* library may set a default value for it or let the driver take care of that. |
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* |
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* @return bool True on success and false on failure. |
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*/ |
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abstract public function set(string $key, $value, int $ttl = 0): bool; |
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/** |
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* Express Requirements by Abstract Methods. |
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* |
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* @param string $key The cache item key. |
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*/ |
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abstract public function has(string $key): bool; |
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/** |
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* Express Requirements by Abstract Methods. |
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* |
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* @param string $key The unique cache key of the item to delete. |
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*/ |
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abstract public function delete(string $key): bool; |
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/** |
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* Obtains multiple cache items by their unique keys. |
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* |
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* @param array<mixed> $keys A list of keys that can obtained in a single operation. |
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* @param mixed $default Default value to return for keys that do not exist. |
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* |
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* @return array<mixed> A list of key => value pairs. Cache keys that do not exist or are stale will have $default as value. |
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*/ |
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public function getMultiple(array $keys, $default = null): array |
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{ |
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6 |
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$arrayResult = []; |
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foreach ($keys as $key) { |
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$arrayResult[$key] = $this->get($key, $default); |
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} |
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return $arrayResult; |
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} |
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/** |
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* Persists a set of key => value pairs in the cache, with an optional TTL. |
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* |
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* @param array<mixed> $values A list of key => value pairs for a multiple-set operation. |
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* @param int $ttl Optional. The TTL (time to live) value in seconds of this item. |
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* If no value is sent and the driver supports TTL then the |
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* library may set a default value for it or let the driver take care of that. |
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* |
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* @return bool True on success and false on failure. |
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*/ |
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public function setMultiple(array $values, int $ttl = 0): bool |
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{ |
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foreach ($values as $key => $value) { |
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$this->set($key, $value, $ttl); |
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} |
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return true; |
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} |
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/** |
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* Deletes multiple cache items in a single operation. |
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* |
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* @param array<mixed> $keys A list of string-based keys to be deleted. |
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* |
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* @return bool True if the items were successfully removed. False if there was an error. |
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*/ |
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public function deleteMultiple(array $keys): bool |
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{ |
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foreach ($keys as $key) { |
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$this->delete($key); |
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} |
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return true; |
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} |
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} |
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linna /
framework
