当前路径：Classes/PHPExcel/Shared/OLE/PPS/Root.php
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP Version 4                                                        |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2002 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license,      |
// | that is bundled with this package in the file LICENSE, and is        |
// | available at through the world-wide-web at                           |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to          |
// | license@php.net so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Author: Xavier Noguer <xnoguer@php.net>                              |
// | Based on OLE::Storage_Lite by Kawai, Takanori                        |
// +----------------------------------------------------------------------+
//
// $Id: Root.php,v 1.9 2005/04/23 21:53:49 dufuz Exp $


/**
* Class for creating Root PPS's for OLE containers
*
* @author   Xavier Noguer <xnoguer@php.net>
* @category PHPExcel
* @package  PHPExcel_Shared_OLE
*/
class PHPExcel_Shared_OLE_PPS_Root extends PHPExcel_Shared_OLE_PPS
{

    /**
     * Directory for temporary files
     * @var string
     */
    protected $tempDirectory = null;

    /**
     * @param integer $time_1st A timestamp
     * @param integer $time_2nd A timestamp
     */
    public function __construct($time_1st, $time_2nd, $raChild)
    {
        $this->_tempDir = PHPExcel_Shared_File::sys_get_temp_dir();

        parent::__construct(null, PHPExcel_Shared_OLE::Asc2Ucs('Root Entry'), PHPExcel_Shared_OLE::OLE_PPS_TYPE_ROOT, null, null, null, $time_1st, $time_2nd, null, $raChild);
    }

    /**
    * Method for saving the whole OLE container (including files).
    * In fact, if called with an empty argument (or '-'), it saves to a
    * temporary file and then outputs it's contents to stdout.
    * If a resource pointer to a stream created by fopen() is passed
    * it will be used, but you have to close such stream by yourself.
    *
    * @param string|resource $filename The name of the file or stream where to save the OLE container.
    * @access public
    * @return mixed true on success
    */
    public function save($filename)
    {
        // Initial Setting for saving
        $this->_BIG_BLOCK_SIZE  = pow(
            2,
            (isset($this->_BIG_BLOCK_SIZE))? self::adjust2($this->_BIG_BLOCK_SIZE) : 9
        );
        $this->_SMALL_BLOCK_SIZE= pow(
            2,
            (isset($this->_SMALL_BLOCK_SIZE))?  self::adjust2($this->_SMALL_BLOCK_SIZE) : 6
        );

        if (is_resource($filename)) {
            $this->_FILEH_ = $filename;
        } elseif ($filename == '-' || $filename == '') {
            if ($this->tempDirectory === null) {
                $this->tempDirectory = PHPExcel_Shared_File::sys_get_temp_dir();
            }
            $this->_tmp_filename = tempnam($this->tempDirectory, "OLE_PPS_Root");
            $this->_FILEH_ = fopen($this->_tmp_filename, "w+b");
            if ($this->_FILEH_ == false...