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Diffstat (limited to 'libs/Zend/Cache/Frontend/Function.php')
| -rw-r--r-- | libs/Zend/Cache/Frontend/Function.php | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/libs/Zend/Cache/Frontend/Function.php b/libs/Zend/Cache/Frontend/Function.php deleted file mode 100644 index 99f7609d6d..0000000000 --- a/libs/Zend/Cache/Frontend/Function.php +++ /dev/null @@ -1,179 +0,0 @@ -<?php -/** - * Zend Framework - * - * LICENSE - * - * This source file is subject to the new BSD license that is bundled - * with this package in the file LICENSE.txt. - * It is also available through the world-wide-web at this URL: - * http://framework.zend.com/license/new-bsd - * If you did not receive a copy of the license and are unable to - * obtain it through the world-wide-web, please send an email - * to license@zend.com so we can send you a copy immediately. - * - * @category Zend - * @package Zend_Cache - * @subpackage Zend_Cache_Frontend - * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) - * @license http://framework.zend.com/license/new-bsd New BSD License - * @version $Id: Function.php 23775 2011-03-01 17:25:24Z ralph $ - */ - - -/** - * @see Zend_Cache_Core - */ -// require_once 'Zend/Cache/Core.php'; - - -/** - * @package Zend_Cache - * @subpackage Zend_Cache_Frontend - * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) - * @license http://framework.zend.com/license/new-bsd New BSD License - */ -class Zend_Cache_Frontend_Function extends Zend_Cache_Core -{ - /** - * This frontend specific options - * - * ====> (boolean) cache_by_default : - * - if true, function calls will be cached by default - * - * ====> (array) cached_functions : - * - an array of function names which will be cached (even if cache_by_default = false) - * - * ====> (array) non_cached_functions : - * - an array of function names which won't be cached (even if cache_by_default = true) - * - * @var array options - */ - protected $_specificOptions = array( - 'cache_by_default' => true, - 'cached_functions' => array(), - 'non_cached_functions' => array() - ); - - /** - * Constructor - * - * @param array $options Associative array of options - * @return void - */ - public function __construct(array $options = array()) - { - while (list($name, $value) = each($options)) { - $this->setOption($name, $value); - } - $this->setOption('automatic_serialization', true); - } - - /** - * Main method : call the specified function or get the result from cache - * - * @param callback $callback A valid callback - * @param array $parameters Function parameters - * @param array $tags Cache tags - * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) - * @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends - * @return mixed Result - */ - public function call($callback, array $parameters = array(), $tags = array(), $specificLifetime = false, $priority = 8) - { - if (!is_callable($callback, true, $name)) { - Zend_Cache::throwException('Invalid callback'); - } - - $cacheBool1 = $this->_specificOptions['cache_by_default']; - $cacheBool2 = in_array($name, $this->_specificOptions['cached_functions']); - $cacheBool3 = in_array($name, $this->_specificOptions['non_cached_functions']); - $cache = (($cacheBool1 || $cacheBool2) && (!$cacheBool3)); - if (!$cache) { - // Caching of this callback is disabled - return call_user_func_array($callback, $parameters); - } - - $id = $this->_makeId($callback, $parameters); - if ( ($rs = $this->load($id)) && isset($rs[0], $rs[1])) { - // A cache is available - $output = $rs[0]; - $return = $rs[1]; - } else { - // A cache is not available (or not valid for this frontend) - ob_start(); - ob_implicit_flush(false); - $return = call_user_func_array($callback, $parameters); - $output = ob_get_clean(); - $data = array($output, $return); - $this->save($data, $id, $tags, $specificLifetime, $priority); - } - - echo $output; - return $return; - } - - /** - * ZF-9970 - * - * @deprecated - */ - private function _makeId($callback, array $args) - { - return $this->makeId($callback, $args); - } - - /** - * Make a cache id from the function name and parameters - * - * @param callback $callback A valid callback - * @param array $args Function parameters - * @throws Zend_Cache_Exception - * @return string Cache id - */ - public function makeId($callback, array $args = array()) - { - if (!is_callable($callback, true, $name)) { - Zend_Cache::throwException('Invalid callback'); - } - - // functions, methods and classnames are case-insensitive - $name = strtolower($name); - - // generate a unique id for object callbacks - if (is_object($callback)) { // Closures & __invoke - $object = $callback; - } elseif (isset($callback[0])) { // array($object, 'method') - $object = $callback[0]; - } - if (isset($object)) { - try { - $tmp = @serialize($callback); - } catch (Exception $e) { - Zend_Cache::throwException($e->getMessage()); - } - if (!$tmp) { - $lastErr = error_get_last(); - Zend_Cache::throwException("Can't serialize callback object to generate id: {$lastErr['message']}"); - } - $name.= '__' . $tmp; - } - - // generate a unique id for arguments - $argsStr = ''; - if ($args) { - try { - $argsStr = @serialize(array_values($args)); - } catch (Exception $e) { - Zend_Cache::throwException($e->getMessage()); - } - if (!$argsStr) { - $lastErr = error_get_last(); - throw Zend_Cache::throwException("Can't serialize arguments to generate id: {$lastErr['message']}"); - } - } - - return md5($name . $argsStr); - } - -} |