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Diffstat (limited to 'libs/Zend/Cache/Backend.php')
-rw-r--r--libs/Zend/Cache/Backend.php268
1 files changed, 0 insertions, 268 deletions
diff --git a/libs/Zend/Cache/Backend.php b/libs/Zend/Cache/Backend.php
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index 8985ed0412..0000000000
--- a/libs/Zend/Cache/Backend.php
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@@ -1,268 +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_Backend
- * @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: Backend.php 23800 2011-03-10 20:52:08Z mabe $
- */
-
-
-/**
- * @package Zend_Cache
- * @subpackage Zend_Cache_Backend
- * @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_Backend
-{
- /**
- * Frontend or Core directives
- *
- * =====> (int) lifetime :
- * - Cache lifetime (in seconds)
- * - If null, the cache is valid forever
- *
- * =====> (int) logging :
- * - if set to true, a logging is activated throw Zend_Log
- *
- * @var array directives
- */
- protected $_directives = array(
- 'lifetime' => 3600,
- 'logging' => false,
- 'logger' => null
- );
-
- /**
- * Available options
- *
- * @var array available options
- */
- protected $_options = array();
-
- /**
- * Constructor
- *
- * @param array $options Associative array of options
- * @throws Zend_Cache_Exception
- * @return void
- */
- public function __construct(array $options = array())
- {
- while (list($name, $value) = each($options)) {
- $this->setOption($name, $value);
- }
- }
-
- /**
- * Set the frontend directives
- *
- * @param array $directives Assoc of directives
- * @throws Zend_Cache_Exception
- * @return void
- */
- public function setDirectives($directives)
- {
- if (!is_array($directives)) Zend_Cache::throwException('Directives parameter must be an array');
- while (list($name, $value) = each($directives)) {
- if (!is_string($name)) {
- Zend_Cache::throwException("Incorrect option name : $name");
- }
- $name = strtolower($name);
- if (array_key_exists($name, $this->_directives)) {
- $this->_directives[$name] = $value;
- }
-
- }
-
- $this->_loggerSanity();
- }
-
- /**
- * Set an option
- *
- * @param string $name
- * @param mixed $value
- * @throws Zend_Cache_Exception
- * @return void
- */
- public function setOption($name, $value)
- {
- if (!is_string($name)) {
- Zend_Cache::throwException("Incorrect option name : $name");
- }
- $name = strtolower($name);
- if (array_key_exists($name, $this->_options)) {
- $this->_options[$name] = $value;
- }
- }
-
- /**
- * Get the life time
- *
- * if $specificLifetime is not false, the given specific life time is used
- * else, the global lifetime is used
- *
- * @param int $specificLifetime
- * @return int Cache life time
- */
- public function getLifetime($specificLifetime)
- {
- if ($specificLifetime === false) {
- return $this->_directives['lifetime'];
- }
- return $specificLifetime;
- }
-
- /**
- * Return true if the automatic cleaning is available for the backend
- *
- * DEPRECATED : use getCapabilities() instead
- *
- * @deprecated
- * @return boolean
- */
- public function isAutomaticCleaningAvailable()
- {
- return true;
- }
-
- /**
- * Determine system TMP directory and detect if we have read access
- *
- * inspired from Zend_File_Transfer_Adapter_Abstract
- *
- * @return string
- * @throws Zend_Cache_Exception if unable to determine directory
- */
- public function getTmpDir()
- {
- $tmpdir = array();
- foreach (array($_ENV, $_SERVER) as $tab) {
- foreach (array('TMPDIR', 'TEMP', 'TMP', 'windir', 'SystemRoot') as $key) {
- if (isset($tab[$key])) {
- if (($key == 'windir') or ($key == 'SystemRoot')) {
- $dir = realpath($tab[$key] . '\\temp');
- } else {
- $dir = realpath($tab[$key]);
- }
- if ($this->_isGoodTmpDir($dir)) {
- return $dir;
- }
- }
- }
- }
- $upload = ini_get('upload_tmp_dir');
- if ($upload) {
- $dir = realpath($upload);
- if ($this->_isGoodTmpDir($dir)) {
- return $dir;
- }
- }
- if (function_exists('sys_get_temp_dir')) {
- $dir = sys_get_temp_dir();
- if ($this->_isGoodTmpDir($dir)) {
- return $dir;
- }
- }
- // Attemp to detect by creating a temporary file
- $tempFile = tempnam(md5(uniqid(rand(), TRUE)), '');
- if ($tempFile) {
- $dir = realpath(dirname($tempFile));
- unlink($tempFile);
- if ($this->_isGoodTmpDir($dir)) {
- return $dir;
- }
- }
- if ($this->_isGoodTmpDir('/tmp')) {
- return '/tmp';
- }
- if ($this->_isGoodTmpDir('\\temp')) {
- return '\\temp';
- }
- Zend_Cache::throwException('Could not determine temp directory, please specify a cache_dir manually');
- }
-
- /**
- * Verify if the given temporary directory is readable and writable
- *
- * @param string $dir temporary directory
- * @return boolean true if the directory is ok
- */
- protected function _isGoodTmpDir($dir)
- {
- if (is_readable($dir)) {
- if (is_writable($dir)) {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Make sure if we enable logging that the Zend_Log class
- * is available.
- * Create a default log object if none is set.
- *
- * @throws Zend_Cache_Exception
- * @return void
- */
- protected function _loggerSanity()
- {
- if (!isset($this->_directives['logging']) || !$this->_directives['logging']) {
- return;
- }
-
- if (isset($this->_directives['logger'])) {
- if ($this->_directives['logger'] instanceof Zend_Log) {
- return;
- }
- Zend_Cache::throwException('Logger object is not an instance of Zend_Log class.');
- }
-
- // Create a default logger to the standard output stream
- // require_once 'Zend/Log.php';
- // require_once 'Zend/Log/Writer/Stream.php';
- // require_once 'Zend/Log/Filter/Priority.php';
- $logger = new Zend_Log(new Zend_Log_Writer_Stream('php://output'));
- $logger->addFilter(new Zend_Log_Filter_Priority(Zend_Log::WARN, '<='));
- $this->_directives['logger'] = $logger;
- }
-
- /**
- * Log a message at the WARN (4) priority.
- *
- * @param string $message
- * @throws Zend_Cache_Exception
- * @return void
- */
- protected function _log($message, $priority = 4)
- {
- if (!$this->_directives['logging']) {
- return;
- }
-
- if (!isset($this->_directives['logger'])) {
- Zend_Cache::throwException('Logging is enabled but logger is not set.');
- }
- $logger = $this->_directives['logger'];
- if (!$logger instanceof Zend_Log) {
- Zend_Cache::throwException('Logger object is not an instance of Zend_Log class.');
- }
- $logger->log($message, $priority);
- }
-}
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