<?php /* * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This software consists of voluntary contributions made by many individuals * and is licensed under the MIT license. For more information, see * <http://www.doctrine-project.org>. */ namespace Doctrine\Common\Cache; /** * Array cache driver. * * @link www.doctrine-project.org * @since 2.0 * @author Benjamin Eberlei <kontakt@beberlei.de> * @author Guilherme Blanco <guilhermeblanco@hotmail.com> * @author Jonathan Wage <jonwage@gmail.com> * @author Roman Borschel <roman@code-factory.org> * @author David Abdemoulaie <dave@hobodave.com> */ class ArrayCache extends CacheProvider { /** * @var array $data */ private $data = array(); /** * {@inheritdoc} */ protected function doFetch($id) { return $this->doContains($id) ? $this->data[$id] : false; } /** * {@inheritdoc} */ protected function doContains($id) { // isset() is required for performance optimizations, to avoid unnecessary function calls to array_key_exists. return isset($this->data[$id]) || array_key_exists($id, $this->data); } /** * {@inheritdoc} */ protected function doSave($id, $data, $lifeTime = 0) { $this->data[$id] = $data; return true; } /** * {@inheritdoc} */ protected function doDelete($id) { unset($this->data[$id]); return true; } /** * {@inheritdoc} */ protected function doFlush() { $this->data = array(); return true; } /** * {@inheritdoc} */ protected function doGetStats() { return null; } }