107 lines
3.4 KiB
PHP
107 lines
3.4 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) 2005-2009 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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* @version $Id: Output.php 16541 2009-07-07 06:59:03Z bkarwin $
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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) 2005-2009 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_Output extends Zend_Cache_Core
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{
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private $_idStack = array();
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/**
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* Constructor
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*
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* @param array $options Associative array of options
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* @return void
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*/
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public function __construct(array $options = array())
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{
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parent::__construct($options);
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$this->_idStack = array();
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}
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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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* @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
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* @param boolean $echoData If set to true, datas are sent to the browser if the cache is hit (simpy returned else)
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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, $doNotTestCacheValidity = false, $echoData = true)
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{
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$data = $this->load($id, $doNotTestCacheValidity);
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if ($data !== false) {
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if ( $echoData ) {
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echo($data);
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return true;
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} else {
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return $data;
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}
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}
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ob_start();
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ob_implicit_flush(false);
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$this->_idStack[] = $id;
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return false;
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}
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/**
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* Stop the cache
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*
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* @param array $tags Tags array
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* @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
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* @param string $forcedDatas If not null, force written datas with this
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* @param boolean $echoData If set to true, datas are sent to the browser
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* @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends
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* @return void
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*/
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public function end($tags = array(), $specificLifetime = false, $forcedDatas = null, $echoData = true, $priority = 8)
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{
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if ($forcedDatas === null) {
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$data = ob_get_contents();
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ob_end_clean();
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} else {
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$data =& $forcedDatas;
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}
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$id = array_pop($this->_idStack);
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if ($id === null) {
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Zend_Cache::throwException('use of end() without a start()');
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}
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$this->save($data, $id, $tags, $specificLifetime, $priority);
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if ($echoData) {
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echo($data);
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}
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}
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}
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