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<?php namespace Comodojo\Cache\Drivers; |
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use \Comodojo\Cache\Components\UniqueId; |
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use \Exception; |
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/** |
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* Apcu provider |
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* |
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* @package Comodojo Spare Parts |
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* @author Marco Giovinazzi <[email protected]> |
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* @license MIT |
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* |
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* LICENSE: |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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View Code Duplication |
class Apcu extends AbstractDriver { |
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const DRIVER_NAME = "apcu"; |
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public function __construct(array $configuration = []) { |
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if ( extension_loaded('apcu') === false ) throw new Exception("ext-apcu not available"); |
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// In cli, apcu SHOULD NOT use the request time for cache retrieve/invalidation. |
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// This is because in cli the request time is allways the same. |
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if ( php_sapi_name() === 'cli' ) { |
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ini_set('apc.use_request_time', 0); |
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} |
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} |
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public function test() { |
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return (bool) ini_get('apc.enabled'); |
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} |
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public function get($key, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return null; |
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$shadowName = "$scope-$key"; |
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$item = apcu_fetch($shadowName, $success); |
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return $success === false ? null : $item; |
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} |
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public function set($key, $namespace, $value, $ttl = null) { |
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if ( $ttl == null ) $ttl = 0; |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) $scope = $this->setNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowName = "$scope-$key"; |
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return apcu_store($shadowName, $value, $ttl); |
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} |
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public function delete($key, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowName = "$scope-$key"; |
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return apcu_delete($shadowName); |
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} |
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public function clear($namespace = null) { |
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if ( $namespace == null ) { |
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return apcu_clear_cache(); |
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} else { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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return apcu_delete($namespace); |
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} |
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} |
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public function getMultiple(array $keys, $namespace) { |
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$keypad = array_combine($keys, array_fill(0, count($keys), null)); |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return $keypad; |
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$keyscope = array_map(function($key) use($scope) { |
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return "$scope-$key"; |
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}, $keys); |
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$data = apcu_fetch($keyscope, $success); |
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$return = []; |
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foreach ( $data as $scoped_key => $value ) { |
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$key = substr($scoped_key, strlen("$scope-")); |
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$return[$key] = $value; |
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} |
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return array_replace($keypad, $return); |
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} |
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public function setMultiple(array $key_values, $namespace, $ttl = null) { |
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if ( $ttl == null ) $ttl = 0; |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) $scope = $this->setNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowNames = []; |
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foreach ( $key_values as $key => $value ) { |
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$shadowNames["$scope-$key"] = $value; |
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} |
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$data = apcu_store($shadowNames, null, $ttl); |
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return empty($data) ? true : false; |
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} |
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public function deleteMultiple(array $keys, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowNames = array_map(function($key) use($scope) { |
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return "$scope-$key"; |
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}, $keys); |
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$delete = apcu_delete($shadowNames); |
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return empty($delete) ? true : false; |
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} |
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public function has($key, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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return apcu_exists("$scope-$key"); |
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} |
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public function stats() { |
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return apcu_cache_info(true); |
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} |
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/** |
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* Set namespace key |
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* |
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* @return mixed |
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*/ |
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private function setNamespaceKey($namespace) { |
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$uId = UniqueId::get(); |
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return apcu_store($namespace, $uId, 0) === false ? false : $uId; |
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} |
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/** |
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* Get namespace key |
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* |
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* @return string |
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*/ |
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private function getNamespaceKey($namespace) { |
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return apcu_fetch($namespace); |
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} |
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} |
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comodojo /
cache
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.