diff options
Diffstat (limited to 'vendor/zendframework/zend-cache/src/Pattern/CallbackCache.php')
| -rw-r--r-- | vendor/zendframework/zend-cache/src/Pattern/CallbackCache.php | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/vendor/zendframework/zend-cache/src/Pattern/CallbackCache.php b/vendor/zendframework/zend-cache/src/Pattern/CallbackCache.php deleted file mode 100644 index ea5f0ae..0000000 --- a/vendor/zendframework/zend-cache/src/Pattern/CallbackCache.php +++ /dev/null @@ -1,202 +0,0 @@ -<?php -/** - * Zend Framework (http://framework.zend.com/) - * - * @link http://github.com/zendframework/zf2 for the canonical source repository - * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) - * @license http://framework.zend.com/license/new-bsd New BSD License - */ - -namespace Zend\Cache\Pattern; - -use Zend\Cache\Exception; -use Zend\Stdlib\ErrorHandler; - -class CallbackCache extends AbstractPattern -{ - /** - * Set options - * - * @param PatternOptions $options - * @return CallbackCache - * @throws Exception\InvalidArgumentException if missing storage option - */ - public function setOptions(PatternOptions $options) - { - parent::setOptions($options); - - if (!$options->getStorage()) { - throw new Exception\InvalidArgumentException("Missing option 'storage'"); - } - return $this; - } - - /** - * Call the specified callback or get the result from cache - * - * @param callable $callback A valid callback - * @param array $args Callback arguments - * @return mixed Result - * @throws Exception\RuntimeException if invalid cached data - * @throws \Exception - */ - public function call($callback, array $args = array()) - { - $options = $this->getOptions(); - $storage = $options->getStorage(); - $success = null; - $key = $this->generateCallbackKey($callback, $args); - $result = $storage->getItem($key, $success); - if ($success) { - if (!array_key_exists(0, $result)) { - throw new Exception\RuntimeException("Invalid cached data for key '{$key}'"); - } - - echo isset($result[1]) ? $result[1] : ''; - return $result[0]; - } - - $cacheOutput = $options->getCacheOutput(); - if ($cacheOutput) { - ob_start(); - ob_implicit_flush(0); - } - - // TODO: do not cache on errors using [set|restore]_error_handler - - try { - if ($args) { - $ret = call_user_func_array($callback, $args); - } else { - $ret = call_user_func($callback); - } - } catch (\Exception $e) { - if ($cacheOutput) { - ob_end_flush(); - } - throw $e; - } - - if ($cacheOutput) { - $data = array($ret, ob_get_flush()); - } else { - $data = array($ret); - } - - $storage->setItem($key, $data); - - return $ret; - } - - /** - * function call handler - * - * @param string $function Function name to call - * @param array $args Function arguments - * @return mixed - * @throws Exception\RuntimeException - * @throws \Exception - */ - public function __call($function, array $args) - { - return $this->call($function, $args); - } - - /** - * Generate a unique key in base of a key representing the callback part - * and a key representing the arguments part. - * - * @param callable $callback A valid callback - * @param array $args Callback arguments - * @return string - * @throws Exception\RuntimeException - * @throws Exception\InvalidArgumentException - */ - public function generateKey($callback, array $args = array()) - { - return $this->generateCallbackKey($callback, $args); - } - - /** - * Generate a unique key in base of a key representing the callback part - * and a key representing the arguments part. - * - * @param callable $callback A valid callback - * @param array $args Callback arguments - * @throws Exception\RuntimeException if callback not serializable - * @throws Exception\InvalidArgumentException if invalid callback - * @return string - */ - protected function generateCallbackKey($callback, array $args) - { - if (!is_callable($callback, false, $callbackKey)) { - throw new Exception\InvalidArgumentException('Invalid callback'); - } - - // functions, methods and classnames are case-insensitive - $callbackKey = strtolower($callbackKey); - - // generate a unique key of object callbacks - if (is_object($callback)) { - // Closures & __invoke - $object = $callback; - } elseif (isset($callback[0])) { - // array($object, 'method') - $object = $callback[0]; - } - if (isset($object)) { - ErrorHandler::start(); - try { - $serializedObject = serialize($object); - } catch (\Exception $e) { - ErrorHandler::stop(); - throw new Exception\RuntimeException("Can't serialize callback: see previous exception", 0, $e); - } - $error = ErrorHandler::stop(); - - if (!$serializedObject) { - throw new Exception\RuntimeException( - sprintf('Cannot serialize callback%s', ($error ? ': ' . $error->getMessage() : '')), - 0, - $error - ); - } - $callbackKey.= $serializedObject; - } - - return md5($callbackKey) . $this->generateArgumentsKey($args); - } - - /** - * Generate a unique key of the argument part. - * - * @param array $args - * @throws Exception\RuntimeException - * @return string - */ - protected function generateArgumentsKey(array $args) - { - if (!$args) { - return ''; - } - - ErrorHandler::start(); - try { - $serializedArgs = serialize(array_values($args)); - } catch (\Exception $e) { - ErrorHandler::stop(); - throw new Exception\RuntimeException("Can't serialize arguments: see previous exception", 0, $e); - } - $error = ErrorHandler::stop(); - - if (!$serializedArgs) { - throw new Exception\RuntimeException( - sprintf('Cannot serialize arguments%s', ($error ? ': ' . $error->getMessage() : '')), - 0, - $error - ); - } - - return md5($serializedArgs); - } -} |