88 lines
2.3 KiB
PHP
88 lines
2.3 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Cache
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* @subpackage Zend_Cache_Frontend
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* @see Zend_Cache_Core
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*/
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require_once 'Zend/Cache/Core.php';
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/**
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* @package Zend_Cache
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* @subpackage Zend_Cache_Frontend
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Cache_Frontend_Capture extends Zend_Cache_Core
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{
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/**
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* Page identifiers
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* @var array
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*/
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protected $_idStack = array();
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/**
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* Tags
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* @var array
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*/
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protected $_tags = array();
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protected $_extension = null;
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/**
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* Start the cache
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*
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* @param string $id Cache id
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* @return mixed True if the cache is hit (false else) with $echoData=true (default) ; string else (datas)
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*/
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public function start($id, array $tags, $extension = null)
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{
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$this->_tags = $tags;
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$this->_extension = $extension;
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ob_start(array($this, '_flush'));
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ob_implicit_flush(false);
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$this->_idStack[] = $id;
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return false;
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}
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/**
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* callback for output buffering
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* (shouldn't really be called manually)
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*
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* @param string $data Buffered output
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* @return string Data to send to browser
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*/
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public function _flush($data)
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{
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$id = array_pop($this->_idStack);
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if (is_null($id)) {
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Zend_Cache::throwException('use of _flush() without a start()');
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}
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if ($this->_extension) {
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$this->save(serialize(array($data, $this->_extension)), $id, $this->_tags);
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} else {
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$this->save($data, $id, $this->_tags);
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}
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return $data;
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}
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}
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