C:/xampp/htdocs/moodle/lib/zend/Zend/Service/WindowsAzure/SessionHandler.php

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<?php
require_once 'Zend/Service/WindowsAzure/Storage/Table.php';

require_once 'Zend/Service/WindowsAzure/Exception.php';

class Zend_Service_WindowsAzure_SessionHandler
{
    protected $_tableStorage;
    
    protected $_sessionTable;
    
    protected $_sessionTablePartition;
        
    public function __construct(Zend_Service_WindowsAzure_Storage_Table $tableStorage, $sessionTable = 'phpsessions', $sessionTablePartition = 'sessions')
        {
            // Set properties
                $this->_tableStorage = $tableStorage;
                $this->_sessionTable = $sessionTable;
                $this->_sessionTablePartition = $sessionTablePartition;
        }
        
        public function register()
        {
        return session_set_save_handler(array($this, 'open'),
                                        array($this, 'close'),
                                        array($this, 'read'),
                                        array($this, 'write'),
                                        array($this, 'destroy'),
                                        array($this, 'gc')
        );
        }
        
    public function open()
    {
        // Make sure table exists
        $tableExists = $this->_tableStorage->tableExists($this->_sessionTable);
        if (!$tableExists) {
                    $this->_tableStorage->createTable($this->_sessionTable);
                }
                
                // Ok!
                return true;
    }

    public function close()
    {
        return true;
    }
    
    public function read($id)
    {
        try
        {
            $sessionRecord = $this->_tableStorage->retrieveEntityById(
                $this->_sessionTable,
                $this->_sessionTablePartition,
                $id
            );
            return base64_decode($sessionRecord->serializedData);
        }
        catch (Zend_Service_WindowsAzure_Exception $ex)
        {
            return '';
        }
    }
    
    public function write($id, $serializedData)
    {
        $sessionRecord = new Zend_Service_WindowsAzure_Storage_DynamicTableEntity($this->_sessionTablePartition, $id);
        $sessionRecord->sessionExpires = time();
        $sessionRecord->serializedData = base64_encode($serializedData);
        
        $sessionRecord->setAzurePropertyType('sessionExpires', 'Edm.Int32');

        try
        {
            $this->_tableStorage->updateEntity($this->_sessionTable, $sessionRecord);
        }
        catch (Zend_Service_WindowsAzure_Exception $unknownRecord)
        {
            $this->_tableStorage->insertEntity($this->_sessionTable, $sessionRecord);
        }
    }
    
    public function destroy($id)
    {
        try
        {
            $sessionRecord = $this->_tableStorage->retrieveEntityById(
                $this->_sessionTable,
                $this->_sessionTablePartition,
                $id
            );
            $this->_tableStorage->deleteEntity($this->_sessionTable, $sessionRecord);
            
            return true;
        }
        catch (Zend_Service_WindowsAzure_Exception $ex)
        {
            return false;
        }
    }
    
    public function gc($lifeTime)
    {
        try
        {
            $result = $this->_tableStorage->retrieveEntities($this->_sessionTable, 'PartitionKey eq \'' . $this->_sessionTablePartition . '\' and sessionExpires lt ' . (time() - $lifeTime));
            foreach ($result as $sessionRecord)
            {
                $this->_tableStorage->deleteEntity($this->_sessionTable, $sessionRecord);
            }
            return true;
        }
        catch (Zend_Service_WindowsAzure_exception $ex)
        {
            return false;
        }
    }
}