Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 1267 insertions, 0 deletions

diff --git a/library/vendor/Zend/Cache/Frontend/Capture.php b/library/vendor/Zend/Cache/Frontend/Capture.php
new file mode 100644
index 0000000..4b70da4
--- /dev/null
+++ b/library/vendor/Zend/Cache/Frontend/Capture.php
@@ -0,0 +1,87 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Cache_Core
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Cache_Frontend_Capture extends Zend_Cache_Core
+{
+    /**
+     * Page identifiers
+     * @var array
+     */
+    protected $_idStack = array();
+
+    /**
+     * Tags
+     * @var array
+     */
+    protected $_tags = array();
+
+    protected $_extension = null;
+
+    /**
+     * Start the cache
+     *
+     * @param  string  $id Cache id
+     * @return mixed True if the cache is hit (false else) with $echoData=true (default) ; string else (datas)
+     */
+    public function start($id, array $tags, $extension = null)
+    {
+        $this->_tags = $tags;
+        $this->_extension = $extension;
+        ob_start(array($this, '_flush'));
+        ob_implicit_flush(false);
+        $this->_idStack[] = $id;
+        return false;
+    }
+
+    /**
+     * callback for output buffering
+     * (shouldn't really be called manually)
+     *
+     * @param  string $data Buffered output
+     * @return string Data to send to browser
+     */
+    public function _flush($data)
+    {
+        $id = array_pop($this->_idStack);
+        if ($id === null) {
+            Zend_Cache::throwException('use of _flush() without a start()');
+        }
+        if ($this->_extension) {
+            $this->save(serialize(array($data, $this->_extension)), $id, $this->_tags);
+        } else {
+            $this->save($data, $id, $this->_tags);
+        }
+        return $data;
+    }
+}
diff --git a/library/vendor/Zend/Cache/Frontend/Class.php b/library/vendor/Zend/Cache/Frontend/Class.php
new file mode 100644
index 0000000..c7208a1
--- /dev/null
+++ b/library/vendor/Zend/Cache/Frontend/Class.php
@@ -0,0 +1,274 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Cache_Core
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Cache_Frontend_Class extends Zend_Cache_Core
+{
+    /**
+     * Available options
+     *
+     * ====> (mixed) cached_entity :
+     * - if set to a class name, we will cache an abstract class and will use only static calls
+     * - if set to an object, we will cache this object methods
+     *
+     * ====> (boolean) cache_by_default :
+     * - if true, method calls will be cached by default
+     *
+     * ====> (array) cached_methods :
+     * - an array of method names which will be cached (even if cache_by_default = false)
+     *
+     * ====> (array) non_cached_methods :
+     * - an array of method names which won't be cached (even if cache_by_default = true)
+     *
+     * @var array available options
+     */
+    protected $_specificOptions = array(
+        'cached_entity'      => null,
+        'cache_by_default'   => true,
+        'cached_methods'     => array(),
+        'non_cached_methods' => array()
+    );
+
+    /**
+     * Tags array
+     *
+     * @var array
+     */
+    protected $_tags = array();
+
+    /**
+     * SpecificLifetime value
+     *
+     * false => no specific life time
+     *
+     * @var bool|int
+     */
+    protected $_specificLifetime = false;
+
+    /**
+     * The cached object or the name of the cached abstract class
+     *
+     * @var mixed
+     */
+    protected $_cachedEntity = null;
+
+     /**
+      * The class name of the cached object or cached abstract class
+      *
+      * Used to differentiate between different classes with the same method calls.
+      *
+      * @var string
+      */
+    protected $_cachedEntityLabel = '';
+
+    /**
+     * Priority (used by some particular backends)
+     *
+     * @var int
+     */
+    protected $_priority = 8;
+
+    /**
+     * Constructor
+     *
+     * @param  array $options Associative array of options
+     * @throws Zend_Cache_Exception
+     */
+    public function __construct(array $options = array())
+    {
+        foreach ($options as $name => $value) {
+            $this->setOption($name, $value);
+        }
+        if ($this->_specificOptions['cached_entity'] === null) {
+            Zend_Cache::throwException('cached_entity must be set !');
+        }
+        $this->setCachedEntity($this->_specificOptions['cached_entity']);
+        $this->setOption('automatic_serialization', true);
+    }
+
+    /**
+     * Set a specific life time
+     *
+     * @param  bool|int $specificLifetime
+     * @return void
+     */
+    public function setSpecificLifetime($specificLifetime = false)
+    {
+        $this->_specificLifetime = $specificLifetime;
+    }
+
+    /**
+     * Set the priority (used by some particular backends)
+     *
+     * @param int $priority integer between 0 (very low priority) and 10 (maximum priority)
+     */
+    public function setPriority($priority)
+    {
+        $this->_priority = $priority;
+    }
+
+    /**
+     * Public frontend to set an option
+     *
+     * Just a wrapper to get a specific behaviour for cached_entity
+     *
+     * @param  string $name  Name of the option
+     * @param  mixed  $value Value of the option
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    public function setOption($name, $value)
+    {
+        if ($name == 'cached_entity') {
+            $this->setCachedEntity($value);
+        } else {
+            parent::setOption($name, $value);
+        }
+    }
+
+    /**
+     * Specific method to set the cachedEntity
+     *
+     * if set to a class name, we will cache an abstract class and will use only static calls
+     * if set to an object, we will cache this object methods
+     *
+     * @param mixed $cachedEntity
+     */
+    public function setCachedEntity($cachedEntity)
+    {
+        if (!is_string($cachedEntity) && !is_object($cachedEntity)) {
+            Zend_Cache::throwException(
+                'cached_entity must be an object or a class name'
+            );
+        }
+
+        $this->_cachedEntity                     = $cachedEntity;
+        $this->_specificOptions['cached_entity'] = $cachedEntity;
+
+        if (is_string($this->_cachedEntity)) {
+            $this->_cachedEntityLabel = $this->_cachedEntity;
+        } else {
+            $ro = new ReflectionObject($this->_cachedEntity);
+            $this->_cachedEntityLabel = $ro->getName();
+        }
+    }
+
+    /**
+     * Set the cache array
+     *
+     * @param  array $tags
+     * @return void
+     */
+    public function setTagsArray($tags = array())
+    {
+        $this->_tags = $tags;
+    }
+
+    /**
+     * Main method : call the specified method or get the result from cache
+     *
+     * @param  string $name       Method name
+     * @param  array  $parameters Method parameters
+     * @return mixed Result
+     * @throws Exception
+     */
+    public function __call($name, $parameters)
+    {
+        $callback = array($this->_cachedEntity, $name);
+
+        if (!is_callable($callback, false)) {
+            Zend_Cache::throwException('Invalid callback');
+        }
+
+        $cacheBool1 = $this->_specificOptions['cache_by_default'];
+        $cacheBool2 = in_array($name, $this->_specificOptions['cached_methods']);
+        $cacheBool3 = in_array($name, $this->_specificOptions['non_cached_methods']);
+        $cache      = (($cacheBool1 || $cacheBool2) && (!$cacheBool3));
+
+        if (!$cache) {
+            // We do not have not cache
+            return call_user_func_array($callback, $parameters);
+        }
+
+        $id = $this->makeId($name, $parameters);
+        if (($rs = $this->load($id)) && (array_key_exists(0, $rs))
+            && (array_key_exists(1, $rs))
+        ) {
+            // 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);
+
+            try {
+                $return = call_user_func_array($callback, $parameters);
+                $output = ob_get_clean();
+                $data   = array($output, $return);
+
+                $this->save(
+                    $data, $id, $this->_tags, $this->_specificLifetime,
+                    $this->_priority
+                );
+            } catch (Exception $e) {
+                ob_end_clean();
+                throw $e;
+            }
+        }
+
+        echo $output;
+        return $return;
+    }
+
+    /**
+     * ZF-9970
+     *
+     * @deprecated
+     */
+    private function _makeId($name, $args)
+    {
+        return $this->makeId($name, $args);
+    }
+
+    /**
+     * Make a cache id from the method name and parameters
+     *
+     * @param  string $name Method name
+     * @param  array  $args Method parameters
+     * @return string Cache id
+     */
+    public function makeId($name, array $args = array())
+    {
+        return md5($this->_cachedEntityLabel . '__' . $name . '__' . serialize($args));
+    }
+}
diff --git a/library/vendor/Zend/Cache/Frontend/File.php b/library/vendor/Zend/Cache/Frontend/File.php
new file mode 100644
index 0000000..98cd5a3
--- /dev/null
+++ b/library/vendor/Zend/Cache/Frontend/File.php
@@ -0,0 +1,221 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Cache_Core
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Cache_Frontend_File extends Zend_Cache_Core
+{
+
+    /**
+     * Consts for master_files_mode
+     */
+    const MODE_AND = 'AND';
+    const MODE_OR  = 'OR';
+
+    /**
+     * Available options
+     *
+     * ====> (string) master_file :
+     * - a complete path of the master file
+     * - deprecated (see master_files)
+     *
+     * ====> (array) master_files :
+     * - an array of complete path of master files
+     * - this option has to be set !
+     *
+     * ====> (string) master_files_mode :
+     * - Zend_Cache_Frontend_File::MODE_AND or Zend_Cache_Frontend_File::MODE_OR
+     * - if MODE_AND, then all master files have to be touched to get a cache invalidation
+     * - if MODE_OR (default), then a single touched master file is enough to get a cache invalidation
+     *
+     * ====> (boolean) ignore_missing_master_files
+     * - if set to true, missing master files are ignored silently
+     * - if set to false (default), an exception is thrown if there is a missing master file
+     * @var array available options
+     */
+    protected $_specificOptions = array(
+        'master_file' => null,
+        'master_files' => null,
+        'master_files_mode' => 'OR',
+        'ignore_missing_master_files' => false
+    );
+
+    /**
+     * Master file mtimes
+     *
+     * Array of int
+     *
+     * @var array
+     */
+    private $_masterFile_mtimes = null;
+
+    /**
+     * Constructor
+     *
+     * @param  array $options Associative array of options
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    public function __construct(array $options = array())
+    {
+        foreach ($options as $name => $value) {
+            $this->setOption($name, $value);
+        }
+        if (!isset($this->_specificOptions['master_files'])) {
+            Zend_Cache::throwException('master_files option must be set');
+        }
+    }
+
+    /**
+     * Change the master_files option
+     *
+     * @param array $masterFiles the complete paths and name of the master files
+     */
+    public function setMasterFiles(array $masterFiles)
+    {
+        $this->_specificOptions['master_file']  = null; // to keep a compatibility
+        $this->_specificOptions['master_files'] = null;
+        $this->_masterFile_mtimes = array();
+
+        clearstatcache();
+        $i = 0;
+        foreach ($masterFiles as $masterFile) {
+            if (file_exists($masterFile)) {
+                $mtime = filemtime($masterFile);
+            } else {
+                $mtime = false;
+            }
+
+            if (!$this->_specificOptions['ignore_missing_master_files'] && !$mtime) {
+                Zend_Cache::throwException('Unable to read master_file : ' . $masterFile);
+            }
+
+            $this->_masterFile_mtimes[$i] = $mtime;
+            $this->_specificOptions['master_files'][$i] = $masterFile;
+            if ($i === 0) { // to keep a compatibility
+                $this->_specificOptions['master_file'] = $masterFile;
+            }
+
+            $i++;
+        }
+    }
+
+    /**
+     * Change the master_file option
+     *
+     * To keep the compatibility
+     *
+     * @deprecated
+     * @param string $masterFile the complete path and name of the master file
+     */
+    public function setMasterFile($masterFile)
+    {
+          $this->setMasterFiles(array($masterFile));
+    }
+
+    /**
+     * Public frontend to set an option
+     *
+     * Just a wrapper to get a specific behaviour for master_file
+     *
+     * @param  string $name  Name of the option
+     * @param  mixed  $value Value of the option
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    public function setOption($name, $value)
+    {
+        if ($name == 'master_file') {
+            $this->setMasterFile($value);
+        } else if ($name == 'master_files') {
+            $this->setMasterFiles($value);
+        } else {
+            parent::setOption($name, $value);
+        }
+    }
+
+    /**
+     * Test if a cache is available for the given id and (if yes) return it (false else)
+     *
+     * @param  string  $id                     Cache id
+     * @param  boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
+     * @param  boolean $doNotUnserialize       Do not serialize (even if automatic_serialization is true) => for internal use
+     * @return mixed|false Cached datas
+     */
+    public function load($id, $doNotTestCacheValidity = false, $doNotUnserialize = false)
+    {
+        if (!$doNotTestCacheValidity) {
+            if ($this->test($id)) {
+                return parent::load($id, true, $doNotUnserialize);
+            }
+            return false;
+        }
+        return parent::load($id, true, $doNotUnserialize);
+    }
+
+    /**
+     * Test if a cache is available for the given id
+     *
+     * @param  string $id Cache id
+     * @return int|false Last modified time of cache entry if it is available, false otherwise
+     */
+    public function test($id)
+    {
+        $lastModified = parent::test($id);
+        if ($lastModified) {
+            if ($this->_specificOptions['master_files_mode'] == self::MODE_AND) {
+                // MODE_AND
+                foreach($this->_masterFile_mtimes as $masterFileMTime) {
+                    if ($masterFileMTime) {
+                        if ($lastModified > $masterFileMTime) {
+                            return $lastModified;
+                        }
+                    }
+                }
+            } else {
+                // MODE_OR
+                $res = true;
+                foreach($this->_masterFile_mtimes as $masterFileMTime) {
+                    if ($masterFileMTime) {
+                        if ($lastModified <= $masterFileMTime) {
+                            return false;
+                        }
+                    }
+                }
+                return $lastModified;
+            }
+        }
+        return false;
+    }
+
+}
+
diff --git a/library/vendor/Zend/Cache/Frontend/Function.php b/library/vendor/Zend/Cache/Frontend/Function.php
new file mode 100644
index 0000000..3dc7fd8
--- /dev/null
+++ b/library/vendor/Zend/Cache/Frontend/Function.php
@@ -0,0 +1,178 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Cache_Core
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @copyright  Copyright (c) 2005-2015 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 $options = array())
+    {
+        foreach ($options as $name => $value) {
+            $this->setOption($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);
+    }
+
+}
diff --git a/library/vendor/Zend/Cache/Frontend/Output.php b/library/vendor/Zend/Cache/Frontend/Output.php
new file mode 100644
index 0000000..dd8fe8d
--- /dev/null
+++ b/library/vendor/Zend/Cache/Frontend/Output.php
@@ -0,0 +1,104 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Cache_Core
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Cache_Frontend_Output extends Zend_Cache_Core
+{
+
+    private $_idStack = array();
+
+    /**
+     * Constructor
+     *
+     * @param  array $options Associative array of options
+     * @return void
+     */
+    public function __construct(array $options = array())
+    {
+        parent::__construct($options);
+        $this->_idStack = array();
+    }
+
+    /**
+     * Start the cache
+     *
+     * @param  string  $id                     Cache id
+     * @param  boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
+     * @param  boolean $echoData               If set to true, datas are sent to the browser if the cache is hit (simply returned else)
+     * @return mixed True if the cache is hit (false else) with $echoData=true (default) ; string else (datas)
+     */
+    public function start($id, $doNotTestCacheValidity = false, $echoData = true)
+    {
+        $data = $this->load($id, $doNotTestCacheValidity);
+        if ($data !== false) {
+            if ( $echoData ) {
+                echo($data);
+                return true;
+            } else {
+                return $data;
+            }
+        }
+        ob_start();
+        ob_implicit_flush(false);
+        $this->_idStack[] = $id;
+        return false;
+    }
+
+    /**
+     * Stop the cache
+     *
+     * @param  array   $tags             Tags array
+     * @param  int     $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
+     * @param  string  $forcedDatas      If not null, force written datas with this
+     * @param  boolean $echoData         If set to true, datas are sent to the browser
+     * @param  int     $priority         integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends
+     * @return void
+     */
+    public function end($tags = array(), $specificLifetime = false, $forcedDatas = null, $echoData = true, $priority = 8)
+    {
+        if ($forcedDatas === null) {
+            $data = ob_get_clean();
+        } else {
+            $data =& $forcedDatas;
+        }
+        $id = array_pop($this->_idStack);
+        if ($id === null) {
+            Zend_Cache::throwException('use of end() without a start()');
+        }
+        $this->save($data, $id, $tags, $specificLifetime, $priority);
+        if ($echoData) {
+            echo($data);
+        }
+    }
+
+}
diff --git a/library/vendor/Zend/Cache/Frontend/Page.php b/library/vendor/Zend/Cache/Frontend/Page.php
new file mode 100644
index 0000000..8326281
--- /dev/null
+++ b/library/vendor/Zend/Cache/Frontend/Page.php
@@ -0,0 +1,403 @@
+<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Cache_Core
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Cache_Frontend_Page extends Zend_Cache_Core
+{
+    /**
+     * This frontend specific options
+     *
+     * ====> (boolean) http_conditional :
+     * - if true, http conditional mode is on
+     * WARNING : http_conditional OPTION IS NOT IMPLEMENTED FOR THE MOMENT (TODO)
+     *
+     * ====> (boolean) debug_header :
+     * - if true, a debug text is added before each cached pages
+     *
+     * ====> (boolean) content_type_memorization :
+     * - deprecated => use memorize_headers instead
+     * - if the Content-Type header is sent after the cache was started, the
+     *   corresponding value can be memorized and replayed when the cache is hit
+     *   (if false (default), the frontend doesn't take care of Content-Type header)
+     *
+     * ====> (array) memorize_headers :
+     * - an array of strings corresponding to some HTTP headers name. Listed headers
+     *   will be stored with cache datas and "replayed" when the cache is hit
+     *
+     * ====> (array) default_options :
+     * - an associative array of default options :
+     *     - (boolean) cache : cache is on by default if true
+     *     - (boolean) cacheWithXXXVariables  (XXXX = 'Get', 'Post', 'Session', 'Files' or 'Cookie') :
+     *       if true,  cache is still on even if there are some variables in this superglobal array
+     *       if false, cache is off if there are some variables in this superglobal array
+     *     - (boolean) makeIdWithXXXVariables (XXXX = 'Get', 'Post', 'Session', 'Files' or 'Cookie') :
+     *       if true, we have to use the content of this superglobal array to make a cache id
+     *       if false, the cache id won't be dependent of the content of this superglobal array
+     *     - (int) specific_lifetime : cache specific lifetime
+     *                                (false => global lifetime is used, null => infinite lifetime,
+     *                                 integer => this lifetime is used), this "lifetime" is probably only
+     *                                usefull when used with "regexps" array
+     *     - (array) tags : array of tags (strings)
+     *     - (int) priority : integer between 0 (very low priority) and 10 (maximum priority) used by
+     *                        some particular backends
+     *
+     * ====> (array) regexps :
+     * - an associative array to set options only for some REQUEST_URI
+     * - keys are (pcre) regexps
+     * - values are associative array with specific options to set if the regexp matchs on $_SERVER['REQUEST_URI']
+     *   (see default_options for the list of available options)
+     * - if several regexps match the $_SERVER['REQUEST_URI'], only the last one will be used
+     *
+     * @var array options
+     */
+    protected $_specificOptions = array(
+        'http_conditional' => false,
+        'debug_header' => false,
+        'content_type_memorization' => false,
+        'memorize_headers' => array(),
+        'default_options' => array(
+            'cache_with_get_variables' => false,
+            'cache_with_post_variables' => false,
+            'cache_with_session_variables' => false,
+            'cache_with_files_variables' => false,
+            'cache_with_cookie_variables' => false,
+            'make_id_with_get_variables' => true,
+            'make_id_with_post_variables' => true,
+            'make_id_with_session_variables' => true,
+            'make_id_with_files_variables' => true,
+            'make_id_with_cookie_variables' => true,
+            'cache' => true,
+            'specific_lifetime' => false,
+            'tags' => array(),
+            'priority' => null
+        ),
+        'regexps' => array()
+    );
+
+    /**
+     * Internal array to store some options
+     *
+     * @var array associative array of options
+     */
+    protected $_activeOptions = array();
+
+    /**
+     * If true, the page won't be cached
+     *
+     * @var boolean
+     */
+    protected $_cancel = false;
+
+    /**
+     * Constructor
+     *
+     * @param  array   $options                Associative array of options
+     * @param  boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    public function __construct(array $options = array())
+    {
+        foreach ($options as $name => $value) {
+            $name = strtolower($name);
+            switch ($name) {
+                case 'regexps':
+                    $this->_setRegexps($value);
+                    break;
+                case 'default_options':
+                    $this->_setDefaultOptions($value);
+                    break;
+                case 'content_type_memorization':
+                    $this->_setContentTypeMemorization($value);
+                    break;
+                default:
+                    $this->setOption($name, $value);
+            }
+        }
+        if (isset($this->_specificOptions['http_conditional'])) {
+            if ($this->_specificOptions['http_conditional']) {
+                Zend_Cache::throwException('http_conditional is not implemented for the moment !');
+            }
+        }
+        $this->setOption('automatic_serialization', true);
+    }
+
+    /**
+     * Specific setter for the 'default_options' option (with some additional tests)
+     *
+     * @param  array $options Associative array
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    protected function _setDefaultOptions($options)
+    {
+        if (!is_array($options)) {
+            Zend_Cache::throwException('default_options must be an array !');
+        }
+        foreach ($options as $key=>$value) {
+            if (!is_string($key)) {
+                Zend_Cache::throwException("invalid option [$key] !");
+            }
+            $key = strtolower($key);
+            if (isset($this->_specificOptions['default_options'][$key])) {
+                $this->_specificOptions['default_options'][$key] = $value;
+            }
+        }
+    }
+
+    /**
+     * Set the deprecated contentTypeMemorization option
+     *
+     * @param boolean $value value
+     * @return void
+     * @deprecated
+     */
+    protected function _setContentTypeMemorization($value)
+    {
+        $found = null;
+        foreach ($this->_specificOptions['memorize_headers'] as $key => $value) {
+            if (strtolower($value) == 'content-type') {
+                $found = $key;
+            }
+        }
+        if ($value) {
+            if (!$found) {
+                $this->_specificOptions['memorize_headers'][] = 'Content-Type';
+            }
+        } else {
+            if ($found) {
+                unset($this->_specificOptions['memorize_headers'][$found]);
+            }
+        }
+    }
+
+    /**
+     * Specific setter for the 'regexps' option (with some additional tests)
+     *
+     * @param  array $options Associative array
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    protected function _setRegexps($regexps)
+    {
+        if (!is_array($regexps)) {
+            Zend_Cache::throwException('regexps option must be an array !');
+        }
+        foreach ($regexps as $regexp=>$conf) {
+            if (!is_array($conf)) {
+                Zend_Cache::throwException('regexps option must be an array of arrays !');
+            }
+            $validKeys = array_keys($this->_specificOptions['default_options']);
+            foreach ($conf as $key=>$value) {
+                if (!is_string($key)) {
+                    Zend_Cache::throwException("unknown option [$key] !");
+                }
+                $key = strtolower($key);
+                if (!in_array($key, $validKeys)) {
+                    unset($regexps[$regexp][$key]);
+                }
+            }
+        }
+        $this->setOption('regexps', $regexps);
+    }
+
+    /**
+     * Start the cache
+     *
+     * @param  string  $id       (optional) A cache id (if you set a value here, maybe you have to use Output frontend instead)
+     * @param  boolean $doNotDie For unit testing only !
+     * @return boolean True if the cache is hit (false else)
+     */
+    public function start($id = false, $doNotDie = false)
+    {
+        $this->_cancel = false;
+        $lastMatchingRegexp = null;
+        if (isset($_SERVER['REQUEST_URI'])) {
+            foreach ($this->_specificOptions['regexps'] as $regexp => $conf) {
+                if (preg_match("`$regexp`", $_SERVER['REQUEST_URI'])) {
+                    $lastMatchingRegexp = $regexp;
+                }
+            }
+        }
+        $this->_activeOptions = $this->_specificOptions['default_options'];
+        if ($lastMatchingRegexp !== null) {
+            $conf = $this->_specificOptions['regexps'][$lastMatchingRegexp];
+            foreach ($conf as $key=>$value) {
+                $this->_activeOptions[$key] = $value;
+            }
+        }
+        if (!($this->_activeOptions['cache'])) {
+            return false;
+        }
+        if (!$id) {
+            $id = $this->_makeId();
+            if (!$id) {
+                return false;
+            }
+        }
+        $array = $this->load($id);
+        if ($array !== false) {
+            $data = $array['data'];
+            $headers = $array['headers'];
+            if (!headers_sent()) {
+                foreach ($headers as $key=>$headerCouple) {
+                    $name = $headerCouple[0];
+                    $value = $headerCouple[1];
+                    header("$name: $value");
+                }
+            }
+            if ($this->_specificOptions['debug_header']) {
+                echo 'DEBUG HEADER : This is a cached page !';
+            }
+            echo $data;
+            if ($doNotDie) {
+                return true;
+            }
+            die();
+        }
+        ob_start(array($this, '_flush'));
+        ob_implicit_flush(false);
+        return false;
+    }
+
+    /**
+     * Cancel the current caching process
+     */
+    public function cancel()
+    {
+        $this->_cancel = true;
+    }
+
+    /**
+     * callback for output buffering
+     * (shouldn't really be called manually)
+     *
+     * @param  string $data Buffered output
+     * @return string Data to send to browser
+     */
+    public function _flush($data)
+    {
+        if ($this->_cancel) {
+            return $data;
+        }
+        $contentType = null;
+        $storedHeaders = array();
+        $headersList = headers_list();
+        foreach($this->_specificOptions['memorize_headers'] as $key=>$headerName) {
+            foreach ($headersList as $headerSent) {
+                $tmp = explode(':', $headerSent);
+                $headerSentName = trim(array_shift($tmp));
+                if (strtolower($headerName) == strtolower($headerSentName)) {
+                    $headerSentValue = trim(implode(':', $tmp));
+                    $storedHeaders[] = array($headerSentName, $headerSentValue);
+                }
+            }
+        }
+        $array = array(
+            'data' => $data,
+            'headers' => $storedHeaders
+        );
+        $this->save($array, null, $this->_activeOptions['tags'], $this->_activeOptions['specific_lifetime'], $this->_activeOptions['priority']);
+        return $data;
+    }
+
+    /**
+     * Make an id depending on REQUEST_URI and superglobal arrays (depending on options)
+     *
+     * @return mixed|false a cache id (string), false if the cache should have not to be used
+     */
+    protected function _makeId()
+    {
+        $tmp = $_SERVER['REQUEST_URI'];
+        $array = explode('?', $tmp, 2);
+          $tmp = $array[0];
+        foreach (array('Get', 'Post', 'Session', 'Files', 'Cookie') as $arrayName) {
+            $tmp2 = $this->_makePartialId($arrayName, $this->_activeOptions['cache_with_' . strtolower($arrayName) . '_variables'], $this->_activeOptions['make_id_with_' . strtolower($arrayName) . '_variables']);
+            if ($tmp2===false) {
+                return false;
+            }
+            $tmp = $tmp . $tmp2;
+        }
+        return md5($tmp);
+    }
+
+    /**
+     * Make a partial id depending on options
+     *
+     * @param  string $arrayName Superglobal array name
+     * @param  bool   $bool1     If true, cache is still on even if there are some variables in the superglobal array
+     * @param  bool   $bool2     If true, we have to use the content of the superglobal array to make a partial id
+     * @return mixed|false Partial id (string) or false if the cache should have not to be used
+     */
+    protected function _makePartialId($arrayName, $bool1, $bool2)
+    {
+        switch ($arrayName) {
+        case 'Get':
+            $var = $_GET;
+            break;
+        case 'Post':
+            $var = $_POST;
+            break;
+        case 'Session':
+            if (isset($_SESSION)) {
+                $var = $_SESSION;
+            } else {
+                $var = null;
+            }
+            break;
+        case 'Cookie':
+            if (isset($_COOKIE)) {
+                $var = $_COOKIE;
+            } else {
+                $var = null;
+            }
+            break;
+        case 'Files':
+            $var = $_FILES;
+            break;
+        default:
+            return false;
+        }
+        if ($bool1) {
+            if ($bool2) {
+                return serialize($var);
+            }
+            return '';
+        }
+        if (count($var) > 0) {
+            return false;
+        }
+        return '';
+    }
+
+}