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PHP Decode

<?php /** * PHPExcel_CachedObjectStorage_PHPTemp * * Copyright (c) 2006 - 2015 PHPExce..

Decoded Output download

<?php

/**
 * PHPExcel_CachedObjectStorage_PHPTemp
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_CachedObjectStorage
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_CachedObjectStorage_PHPTemp extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache
{
    /**
     * Name of the file for this cache
     *
     * @var string
     */
    private $fileHandle = null;

    /**
     * Memory limit to use before reverting to file cache
     *
     * @var integer
     */
    private $memoryCacheSize = null;

    /**
     * Store cell data in cache for the current cell object if it's "dirty",
     *     and the 'nullify' the current cell object
     *
     * @return    void
     * @throws    PHPExcel_Exception
     */
    protected function storeData()
    {
        if ($this->currentCellIsDirty && !empty($this->currentObjectID)) {
            $this->currentObject->detach();

            fseek($this->fileHandle, 0, SEEK_END);

            $this->cellCache[$this->currentObjectID] = array(
                'ptr' => ftell($this->fileHandle),
                'sz'  => fwrite($this->fileHandle, serialize($this->currentObject))
            );
            $this->currentCellIsDirty = false;
        }
        $this->currentObjectID = $this->currentObject = null;
    }


    /**
     * Add or Update a cell in cache identified by coordinate address
     *
     * @param    string            $pCoord        Coordinate address of the cell to update
     * @param    PHPExcel_Cell    $cell        Cell to update
     * @return    PHPExcel_Cell
     * @throws    PHPExcel_Exception
     */
    public function addCacheData($pCoord, PHPExcel_Cell $cell)
    {
        if (($pCoord !== $this->currentObjectID) && ($this->currentObjectID !== null)) {
            $this->storeData();
        }

        $this->currentObjectID = $pCoord;
        $this->currentObject = $cell;
        $this->currentCellIsDirty = true;

        return $cell;
    }


    /**
     * Get cell at a specific coordinate
     *
     * @param     string             $pCoord        Coordinate of the cell
     * @throws     PHPExcel_Exception
     * @return     PHPExcel_Cell     Cell that was found, or null if not found
     */
    public function getCacheData($pCoord)
    {
        if ($pCoord === $this->currentObjectID) {
            return $this->currentObject;
        }
        $this->storeData();

        //    Check if the entry that has been requested actually exists
        if (!isset($this->cellCache[$pCoord])) {
            //    Return null if requested entry doesn't exist in cache
            return null;
        }

        //    Set current entry to the requested entry
        $this->currentObjectID = $pCoord;
        fseek($this->fileHandle, $this->cellCache[$pCoord]['ptr']);
        $this->currentObject = unserialize(fread($this->fileHandle, $this->cellCache[$pCoord]['sz']));
        //    Re-attach this as the cell's parent
        $this->currentObject->attach($this);

        //    Return requested entry
        return $this->currentObject;
    }

    /**
     * Get a list of all cell addresses currently held in cache
     *
     * @return  string[]
     */
    public function getCellList()
    {
        if ($this->currentObjectID !== null) {
            $this->storeData();
        }

        return parent::getCellList();
    }

    /**
     * Clone the cell collection
     *
     * @param    PHPExcel_Worksheet    $parent        The new worksheet
     * @return    void
     */
    public function copyCellCollection(PHPExcel_Worksheet $parent)
    {
        parent::copyCellCollection($parent);
        //    Open a new stream for the cell cache data
        $newFileHandle = fopen('php://temp/maxmemory:' . $this->memoryCacheSize, 'a+');
        //    Copy the existing cell cache data to the new stream
        fseek($this->fileHandle, 0);
        while (!feof($this->fileHandle)) {
            fwrite($newFileHandle, fread($this->fileHandle, 1024));
        }
        $this->fileHandle = $newFileHandle;
    }

    /**
     * Clear the cell collection and disconnect from our parent
     *
     * @return    void
     */
    public function unsetWorksheetCells()
    {
        if (!is_null($this->currentObject)) {
            $this->currentObject->detach();
            $this->currentObject = $this->currentObjectID = null;
        }
        $this->cellCache = array();

        //    detach ourself from the worksheet, so that it can then delete this object successfully
        $this->parent = null;

        //    Close down the php://temp file
        $this->__destruct();
    }

    /**
     * Initialise this new cell collection
     *
     * @param    PHPExcel_Worksheet    $parent        The worksheet for this cell collection
     * @param    array of mixed        $arguments    Additional initialisation arguments
     */
    public function __construct(PHPExcel_Worksheet $parent, $arguments)
    {
        $this->memoryCacheSize = (isset($arguments['memoryCacheSize'])) ? $arguments['memoryCacheSize'] : '1MB';

        parent::__construct($parent);
        if (is_null($this->fileHandle)) {
            $this->fileHandle = fopen('php://temp/maxmemory:' . $this->memoryCacheSize, 'a+');
        }
    }

    /**
     * Destroy this cell collection
     */
    public function __destruct()
    {
        if (!is_null($this->fileHandle)) {
            fclose($this->fileHandle);
        }
        $this->fileHandle = null;
    }
}
 ?>

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Original Code

<?php

/**
 * PHPExcel_CachedObjectStorage_PHPTemp
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_CachedObjectStorage
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_CachedObjectStorage_PHPTemp extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache
{
    /**
     * Name of the file for this cache
     *
     * @var string
     */
    private $fileHandle = null;

    /**
     * Memory limit to use before reverting to file cache
     *
     * @var integer
     */
    private $memoryCacheSize = null;

    /**
     * Store cell data in cache for the current cell object if it's "dirty",
     *     and the 'nullify' the current cell object
     *
     * @return    void
     * @throws    PHPExcel_Exception
     */
    protected function storeData()
    {
        if ($this->currentCellIsDirty && !empty($this->currentObjectID)) {
            $this->currentObject->detach();

            fseek($this->fileHandle, 0, SEEK_END);

            $this->cellCache[$this->currentObjectID] = array(
                'ptr' => ftell($this->fileHandle),
                'sz'  => fwrite($this->fileHandle, serialize($this->currentObject))
            );
            $this->currentCellIsDirty = false;
        }
        $this->currentObjectID = $this->currentObject = null;
    }


    /**
     * Add or Update a cell in cache identified by coordinate address
     *
     * @param    string            $pCoord        Coordinate address of the cell to update
     * @param    PHPExcel_Cell    $cell        Cell to update
     * @return    PHPExcel_Cell
     * @throws    PHPExcel_Exception
     */
    public function addCacheData($pCoord, PHPExcel_Cell $cell)
    {
        if (($pCoord !== $this->currentObjectID) && ($this->currentObjectID !== null)) {
            $this->storeData();
        }

        $this->currentObjectID = $pCoord;
        $this->currentObject = $cell;
        $this->currentCellIsDirty = true;

        return $cell;
    }


    /**
     * Get cell at a specific coordinate
     *
     * @param     string             $pCoord        Coordinate of the cell
     * @throws     PHPExcel_Exception
     * @return     PHPExcel_Cell     Cell that was found, or null if not found
     */
    public function getCacheData($pCoord)
    {
        if ($pCoord === $this->currentObjectID) {
            return $this->currentObject;
        }
        $this->storeData();

        //    Check if the entry that has been requested actually exists
        if (!isset($this->cellCache[$pCoord])) {
            //    Return null if requested entry doesn't exist in cache
            return null;
        }

        //    Set current entry to the requested entry
        $this->currentObjectID = $pCoord;
        fseek($this->fileHandle, $this->cellCache[$pCoord]['ptr']);
        $this->currentObject = unserialize(fread($this->fileHandle, $this->cellCache[$pCoord]['sz']));
        //    Re-attach this as the cell's parent
        $this->currentObject->attach($this);

        //    Return requested entry
        return $this->currentObject;
    }

    /**
     * Get a list of all cell addresses currently held in cache
     *
     * @return  string[]
     */
    public function getCellList()
    {
        if ($this->currentObjectID !== null) {
            $this->storeData();
        }

        return parent::getCellList();
    }

    /**
     * Clone the cell collection
     *
     * @param    PHPExcel_Worksheet    $parent        The new worksheet
     * @return    void
     */
    public function copyCellCollection(PHPExcel_Worksheet $parent)
    {
        parent::copyCellCollection($parent);
        //    Open a new stream for the cell cache data
        $newFileHandle = fopen('php://temp/maxmemory:' . $this->memoryCacheSize, 'a+');
        //    Copy the existing cell cache data to the new stream
        fseek($this->fileHandle, 0);
        while (!feof($this->fileHandle)) {
            fwrite($newFileHandle, fread($this->fileHandle, 1024));
        }
        $this->fileHandle = $newFileHandle;
    }

    /**
     * Clear the cell collection and disconnect from our parent
     *
     * @return    void
     */
    public function unsetWorksheetCells()
    {
        if (!is_null($this->currentObject)) {
            $this->currentObject->detach();
            $this->currentObject = $this->currentObjectID = null;
        }
        $this->cellCache = array();

        //    detach ourself from the worksheet, so that it can then delete this object successfully
        $this->parent = null;

        //    Close down the php://temp file
        $this->__destruct();
    }

    /**
     * Initialise this new cell collection
     *
     * @param    PHPExcel_Worksheet    $parent        The worksheet for this cell collection
     * @param    array of mixed        $arguments    Additional initialisation arguments
     */
    public function __construct(PHPExcel_Worksheet $parent, $arguments)
    {
        $this->memoryCacheSize = (isset($arguments['memoryCacheSize'])) ? $arguments['memoryCacheSize'] : '1MB';

        parent::__construct($parent);
        if (is_null($this->fileHandle)) {
            $this->fileHandle = fopen('php://temp/maxmemory:' . $this->memoryCacheSize, 'a+');
        }
    }

    /**
     * Destroy this cell collection
     */
    public function __destruct()
    {
        if (!is_null($this->fileHandle)) {
            fclose($this->fileHandle);
        }
        $this->fileHandle = null;
    }
}

Function Calls

None

Variables

None

Stats

MD5 e679422fe391863f84ca781f2bd79b34
Eval Count 0
Decode Time 94 ms