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<?php |
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/* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the MIT license. For more information, see |
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* <http://www.doctrine-project.org>. |
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*/ |
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namespace Doctrine\Common\Cache; |
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/** |
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* Php file cache driver. |
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* |
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* @since 2.3 |
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* @author Fabio B. Silva <[email protected]> |
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*/ |
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class PhpFileCache extends FileCache |
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{ |
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const EXTENSION = '.doctrinecache.php'; |
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/** |
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* @var callable |
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* |
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* This is cached in a local static variable to avoid instantiating a closure each time we need an empty handler |
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*/ |
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private static $emptyErrorHandler; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct($directory, $extension = self::EXTENSION, $umask = 0002) |
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{ |
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parent::__construct($directory, $extension, $umask); |
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self::$emptyErrorHandler = function () { |
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}; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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77 |
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protected function doFetch($id) |
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{ |
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$value = $this->includeFileForId($id); |
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if ($value === null) { |
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return false; |
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} |
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if ($value['lifetime'] !== 0 && $value['lifetime'] < time()) { |
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return false; |
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} |
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return $value['data']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doContains($id) |
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{ |
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$value = $this->includeFileForId($id); |
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if ($value === null) { |
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return false; |
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} |
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return $value['lifetime'] === 0 || $value['lifetime'] > time(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doSave($id, $data, $lifeTime = 0) |
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{ |
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if ($lifeTime > 0) { |
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3 |
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$lifeTime = time() + $lifeTime; |
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} |
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$filename = $this->getFilename($id); |
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$value = [ |
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'lifetime' => $lifeTime, |
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'data' => $data |
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]; |
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if (is_object($data) && method_exists($data, '__set_state')) { |
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$value = var_export($value, true); |
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$code = sprintf('<?php return %s;', $value); |
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} else { |
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$value = var_export(serialize($value), true); |
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$code = sprintf('<?php return unserialize(%s);', $value); |
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} |
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return $this->writeFile($filename, $code); |
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} |
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/** |
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* @param string $id |
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* |
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* @return array|null |
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*/ |
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private function includeFileForId(string $id) : ?array |
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{ |
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$fileName = $this->getFilename($id); |
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// note: error suppression is still faster than `file_exists`, `is_file` and `is_readable` |
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set_error_handler(self::$emptyErrorHandler); |
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$value = include $fileName; |
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restore_error_handler(); |
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if (! isset($value['lifetime'])) { |
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return null; |
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} |
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return $value; |
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} |
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} |
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doctrine /
cache
