/common/libraries/plugin/phpexcel/PHPExcel/Reader/Excel2003XML.php

<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2011 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_Reader
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.7.6, 2011-02-27
 */



/** PHPExcel root directory */

if (! defined('PHPEXCEL_ROOT'))

{

    /**
     * @ignore
     */

    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');

    require (PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');

}



/**
 * PHPExcel_Reader_Excel2003XML
 *
 * @category   PHPExcel
 * @package    PHPExcel_Reader
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 */

class PHPExcel_Reader_Excel2003XML implements PHPExcel_Reader_IReader

{

    /**
     * Read data only?
     *
     * @var boolean
     */

    private $_readDataOnly = false;

    

    /**
     * Restict which sheets should be loaded?
     *
     * @var array
     */

    private $_loadSheetsOnly = null;

    

    /**
     * Formats
     *
     * @var array
     */

    private $_styles = array();

    

    /**
     * PHPExcel_Reader_IReadFilter instance
     *
     * @var PHPExcel_Reader_IReadFilter
     */

    private $_readFilter = null;



    /**
     * Read data only?
     *
     * @return boolean
     */

    public function getReadDataOnly()

    {

        return $this->_readDataOnly;

    }



    /**
     * Set read data only
     *
     * @param boolean $pValue
     * @return PHPExcel_Reader_Excel2003XML
     */

    public function setReadDataOnly($pValue = false)

    {

        $this->_readDataOnly = $pValue;

        return $this;

    }



    /**
     * Get which sheets to load
     *
     * @return mixed
     */

    public function getLoadSheetsOnly()

    {

        return $this->_loadSheetsOnly;

    }



    /**
     * Set which sheets to load
     *
     * @param mixed $value
     * @return PHPExcel_Reader_Excel2003XML
     */

    public function setLoadSheetsOnly($value = null)

    {

        $this->_loadSheetsOnly = is_array($value) ? $value : array($value);

        return $this;

    }



    /**
     * Set all sheets to load
     *
     * @return PHPExcel_Reader_Excel2003XML
     */

    public function setLoadAllSheets()

    {

        $this->_loadSheetsOnly = null;

        return $this;

    }



    /**
     * Read filter
     *
     * @return PHPExcel_Reader_IReadFilter
     */

    public function getReadFilter()

    {

        return $this->_readFilter;

    }



    /**
     * Set read filter
     *
     * @param PHPExcel_Reader_IReadFilter $pValue
     * @return PHPExcel_Reader_Excel2003XML
     */

    public function setReadFilter(PHPExcel_Reader_IReadFilter $pValue)

    {

        $this->_readFilter = $pValue;

        return $this;

    }



    /**
     * Create a new PHPExcel_Reader_Excel2003XML
     */

    public function __construct()

    {

        $this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();

    }



    /**
     * Can the current PHPExcel_Reader_IReader read the file?
     *
     * @param 	string 		$pFileName
     * @return 	boolean
     */

    public function canRead($pFilename)

    {

        

        //	Office					xmlns:o="urn:schemas-microsoft-com:office:office"
        //	Excel					xmlns:x="urn:schemas-microsoft-com:office:excel"
        //	XML Spreadsheet			xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
        //	Spreadsheet component	xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"
        //	XML schema 				xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882"
        //	XML data type			xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882"
        //	MS-persist recordset	xmlns:rs="urn:schemas-microsoft-com:rowset"
        //	Rowset					xmlns:z="#RowsetSchema"
        //
        



        $signature = array('<?xml version="1.0"', '<?mso-application progid="Excel.Sheet"?>');

        

        // Check if file exists
        if (! file_exists($pFilename))

        {

            throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");

        }

        

        // Read sample data (first 2 KB will do)
        $fh = fopen($pFilename, 'r');

        $data = fread($fh, 2048);

        fclose($fh);

        

        $valid = true;

        foreach ($signature as $match)

        {

            // every part of the signature must be present
            if (strpos($data, $match) === false)

            {

                $valid = false;

                break;

            }

        }

        

        return $valid;

    }



    /**
     * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
     *
     * @param 	string 		$pFilename
     * @throws 	Exception
     */

    public function listWorksheetNames($pFilename)

    {

        // Check if file exists
        if (! file_exists($pFilename))

        {

            throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");

        }

        

        $worksheetNames = array();

        

        $xml = simplexml_load_file($pFilename);

        $namespaces = $xml->getNamespaces(true);

        

        $xml_ss = $xml->children($namespaces['ss']);

        foreach ($xml_ss->Worksheet as $worksheet)

        {

            $worksheet_ss = $worksheet->attributes($namespaces['ss']);

            $worksheetNames[] = $worksheet_ss['Name'];

        }

        

        return $worksheetNames;

    }



    /**
     * Loads PHPExcel from file
     *
     * @param 	string 		$pFilename
     * @return 	PHPExcel
     * @throws 	Exception
     */

    public function load($pFilename)

    {

        // Create new PHPExcel
        $objPHPExcel = new PHPExcel();

        

        // Load into this instance
        return $this->loadIntoExisting($pFilename, $objPHPExcel);

    }



    private static function identifyFixedStyleValue($styleList, &$styleAttributeValue)

    {

        $styleAttributeValue = strtolower($styleAttributeValue);

        foreach ($styleList as $style)

        {

            if ($styleAttributeValue == strtolower($style))

            {

                $styleAttributeValue = $style;

                return true;

            }

        }

        return false;

    }



    /**
     * pixel units to excel width units(units of 1/256th of a character width)
     * @param pxs
     * @return
     */

    private static function _pixel2WidthUnits($pxs)

    {

        $UNIT_OFFSET_MAP = array(0, 36, 73, 109, 146, 182, 219);

        

        $widthUnits = 256 * ($pxs / 7);

        $widthUnits += $UNIT_OFFSET_MAP[($pxs % 7)];

        return $widthUnits;

    }



    /**
     * excel width units(units of 1/256th of a character width) to pixel units
     * @param widthUnits
     * @return
     */

    private static function _widthUnits2Pixel($widthUnits)

    {

        $pixels = ($widthUnits / 256) * 7;

        $offsetWidthUnits = $widthUnits % 256;

        $pixels += round($offsetWidthUnits / (256 / 7));

        return $pixels;

    }



    private static function _hex2str($hex)

    {

        return chr(hexdec($hex[1]));

    }



    /**
     * Loads PHPExcel from file into PHPExcel instance
     *
     * @param 	string 		$pFilename
     * @param	PHPExcel	$objPHPExcel
     * @return 	PHPExcel
     * @throws 	Exception
     */

    public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)

    {

        $fromFormats = array('\-', '\ ');

        $toFormats = array('-', ' ');

        

        $underlineStyles = array(PHPExcel_Style_Font :: UNDERLINE_NONE, PHPExcel_Style_Font :: UNDERLINE_DOUBLE, 

                PHPExcel_Style_Font :: UNDERLINE_DOUBLEACCOUNTING, PHPExcel_Style_Font :: UNDERLINE_SINGLE, 

                PHPExcel_Style_Font :: UNDERLINE_SINGLEACCOUNTING);

        $verticalAlignmentStyles = array(PHPExcel_Style_Alignment :: VERTICAL_BOTTOM, 

                PHPExcel_Style_Alignment :: VERTICAL_TOP, PHPExcel_Style_Alignment :: VERTICAL_CENTER, 

                PHPExcel_Style_Alignment :: VERTICAL_JUSTIFY);

        $horizontalAlignmentStyles = array(PHPExcel_Style_Alignment :: HORIZONTAL_GENERAL, 

                PHPExcel_Style_Alignment :: HORIZONTAL_LEFT, PHPExcel_Style_Alignment :: HORIZONTAL_RIGHT, 

                PHPExcel_Style_Alignment :: HORIZONTAL_CENTER, PHPExcel_Style_Alignment :: HORIZONTAL_CENTER_CONTINUOUS, 

                PHPExcel_Style_Alignment :: HORIZONTAL_JUSTIFY);

        

        $timezoneObj = new DateTimeZone('Europe/London');

        $GMT = new DateTimeZone('UTC');

        

        // Check if file exists
        if (! file_exists($pFilename))

        {

            throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");

        }

        

        $xml = simplexml_load_file($pFilename);

        $namespaces = $xml->getNamespaces(true);

        

        $docProps = $objPHPExcel->getProperties();

        if (isset($xml->DocumentProperties[0]))

        {

            foreach ($xml->DocumentProperties[0] as $propertyName => $propertyValue)

            {

                switch ($propertyName)

                {

                    case 'Title' :

                        $docProps->setTitle($propertyValue);

                        break;

                    case 'Subject' :

                        $docProps->setSubject($propertyValue);

                        break;

                    case 'Author' :

                        $docProps->setCreator($propertyValue);

                        break;

                    case 'Created' :

                        $creationDate = strtotime($propertyValue);

                        $docProps->setCreated($creationDate);

                        break;

                    case 'LastAuthor' :

                        $docProps->setLastModifiedBy($propertyValue);

                        break;

                    case 'LastSaved' :

                        $lastSaveDate = strtotime($propertyValue);

                        $docProps->setModified($lastSaveDate);

                        break;

                    case 'Company' :

                        $docProps->setCompany($propertyValue);

                        break;

                    case 'Category' :

                        $docProps->setCategory($propertyValue);

                        break;

                    case 'Manager' :

                        $docProps->setManager($propertyValue);

                        break;

                    case 'Keywords' :

                        $docProps->setKeywords($propertyValue);

                        break;

                    case 'Description' :

                        $docProps->setDescription($propertyValue);

                        break;

                }

            }

        }

        if (isset($xml->CustomDocumentProperties))

        {

            foreach ($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue)

            {

                $propertyAttributes = $propertyValue->attributes($namespaces['dt']);

                $propertyName = preg_replace_callback('/_x([0-9a-z]{4})_/', 'PHPExcel_Reader_Excel2003XML::_hex2str', $propertyName);

                $propertyType = PHPExcel_DocumentProperties :: PROPERTY_TYPE_UNKNOWN;

                switch ((string) $propertyAttributes)

                {

                    case 'string' :

                        $propertyType = PHPExcel_DocumentProperties :: PROPERTY_TYPE_STRING;

                        $propertyValue = trim($propertyValue);

                        break;

                    case 'boolean' :

                        $propertyType = PHPExcel_DocumentProperties :: PROPERTY_TYPE_BOOLEAN;

                        $propertyValue = (bool) $propertyValue;

                        break;

                    case 'integer' :

                        $propertyType = PHPExcel_DocumentProperties :: PROPERTY_TYPE_INTEGER;

                        $propertyValue = intval($propertyValue);

                        break;

                    case 'float' :

                        $propertyType = PHPExcel_DocumentProperties :: PROPERTY_TYPE_FLOAT;

                        $propertyValue = floatval($propertyValue);

                        break;

                    case 'dateTime.tz' :

                        $propertyType = PHPExcel_DocumentProperties :: PROPERTY_TYPE_DATE;

                        $propertyValue = strtotime(trim($propertyValue));

                        break;

                }

                $docProps->setCustomProperty($propertyName, $propertyValue, $propertyType);

            }

        }

        

        foreach ($xml->Styles[0] as $style)

        {

            $style_ss = $style->attributes($namespaces['ss']);

            $styleID = (string) $style_ss['ID'];

            //			echo 'Style ID = '.$styleID.'<br />';
            if ($styleID == 'Default')

            {

                $this->_styles['Default'] = array();

            }

            else

            {

                $this->_styles[$styleID] = $this->_styles['Default'];

            }

            foreach ($style as $styleType => $styleData)

            {

                $styleAttributes = $styleData->attributes($namespaces['ss']);

                //				echo $styleType.'<br />';
                switch ($styleType)

                {

                    case 'Alignment' :

                        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue)

                        {

                            //								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                            $styleAttributeValue = (string) $styleAttributeValue;

                            switch ($styleAttributeKey)

                            {

                                case 'Vertical' :

                                    if (self :: identifyFixedStyleValue($verticalAlignmentStyles, $styleAttributeValue))

                                    {

                                        $this->_styles[$styleID]['alignment']['vertical'] = $styleAttributeValue;

                                    }

                                    break;

                                case 'Horizontal' :

                                    if (self :: identifyFixedStyleValue($horizontalAlignmentStyles, $styleAttributeValue))

                                    {

                                        $this->_styles[$styleID]['alignment']['horizontal'] = $styleAttributeValue;

                                    }

                                    break;

                                case 'WrapText' :

                                    $this->_styles[$styleID]['alignment']['wrap'] = true;

                                    break;

                            }

                        }

                        break;

                    case 'Borders' :

                        foreach ($styleData->Border as $borderStyle)

                        {

                            $borderAttributes = $borderStyle->attributes($namespaces['ss']);

                            $thisBorder = array();

                            foreach ($borderAttributes as $borderStyleKey => $borderStyleValue)

                            {

                                //									echo $borderStyleKey.' = '.$borderStyleValue.'<br />';
                                switch ($borderStyleKey)

                                {

                                    case 'LineStyle' :

                                        $thisBorder['style'] = PHPExcel_Style_Border :: BORDER_MEDIUM;

                                        //												$thisBorder['style'] = $borderStyleValue;
                                        break;

                                    case 'Weight' :

                                        //												$thisBorder['style'] = $borderStyleValue;
                                        break;

                                    case 'Position' :

                                        $borderPosition = strtolower($borderStyleValue);

                                        break;

                                    case 'Color' :

                                        $borderColour = substr($borderStyleValue, 1);

                                        $thisBorder['color']['rgb'] = $borderColour;

                                        break;

                                }

                            }

                            if (count($thisBorder) > 0)

                            {

                                if (($borderPosition == 'left') || ($borderPosition == 'right') || ($borderPosition == 'top') || ($borderPosition == 'bottom'))

                                {

                                    $this->_styles[$styleID]['borders'][$borderPosition] = $thisBorder;

                                }

                            }

                        }

                        break;

                    case 'Font' :

                        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue)

                        {

                            //								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                            $styleAttributeValue = (string) $styleAttributeValue;

                            switch ($styleAttributeKey)

                            {

                                case 'FontName' :

                                    $this->_styles[$styleID]['font']['name'] = $styleAttributeValue;

                                    break;

                                case 'Size' :

                                    $this->_styles[$styleID]['font']['size'] = $styleAttributeValue;

                                    break;

                                case 'Color' :

                                    $this->_styles[$styleID]['font']['color']['rgb'] = substr($styleAttributeValue, 1);

                                    break;

                                case 'Bold' :

                                    $this->_styles[$styleID]['font']['bold'] = true;

                                    break;

                                case 'Italic' :

                                    $this->_styles[$styleID]['font']['italic'] = true;

                                    break;

                                case 'Underline' :

                                    if (self :: identifyFixedStyleValue($underlineStyles, $styleAttributeValue))

                                    {

                                        $this->_styles[$styleID]['font']['underline'] = $styleAttributeValue;

                                    }

                                    break;

                            }

                        }

                        break;

                    case 'Interior' :

                        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue)

                        {

                            //								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                            switch ($styleAttributeKey)

                            {

                                case 'Color' :

                                    $this->_styles[$styleID]['fill']['color']['rgb'] = substr($styleAttributeValue, 1);

                                    break;

                            }

                        }

                        break;

                    case 'NumberFormat' :

                        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue)

                        {

                            //								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                            $styleAttributeValue = str_replace($fromFormats, $toFormats, $styleAttributeValue);

                            switch ($styleAttributeValue)

                            {

                                case 'Short Date' :

                                    $styleAttributeValue = 'dd/mm/yyyy';

                                    break;

                            }

                            if ($styleAttributeValue > '')

                            {

                                $this->_styles[$styleID]['numberformat']['code'] = $styleAttributeValue;

                            }

                        }

                        break;

                    case 'Protection' :

                        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue)

                        {

                            //								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';
                        }

                        break;

                }

            }

        

     //			print_r($this->_styles[$styleID]);
        //			echo '<hr />';
        }

        //		echo '<hr />';
        



        $worksheetID = 0;

        $xml_ss = $xml->children($namespaces['ss']);

        foreach ($xml_ss->Worksheet as $worksheet)

        {

            $worksheet_ss = $worksheet->attributes($namespaces['ss']);

            

            if ((isset($this->_loadSheetsOnly)) && (isset($worksheet_ss['Name'])) && (! in_array($worksheet_ss['Name'], $this->_loadSheetsOnly)))

            {

                continue;

            }

            

            //			echo '<h3>Worksheet: ',$worksheet_ss['Name'],'<h3>';
            //
            // Create new Worksheet
            $objPHPExcel->createSheet();

            $objPHPExcel->setActiveSheetIndex($worksheetID);

            if (isset($worksheet_ss['Name']))

            {

                $worksheetName = (string) $worksheet_ss['Name'];

                $objPHPExcel->getActiveSheet()->setTitle($worksheetName);

            }

            

            $columnID = 'A';

            if (isset($worksheet->Table->Column))

            {

                foreach ($worksheet->Table->Column as $columnData)

                {

                    $columnData_ss = $columnData->attributes($namespaces['ss']);

                    if (isset($columnData_ss['Index']))

                    {

                        $columnID = PHPExcel_Cell :: stringFromColumnIndex($columnData_ss['Index'] - 1);

                    }

                    if (isset($columnData_ss['Width']))

                    {

                        $columnWidth = $columnData_ss['Width'];

                        //						echo '<b>Setting column width for '.$columnID.' to '.$columnWidth.'</b><br />';
                        $objPHPExcel->getActiveSheet()->getColumnDimension($columnID)->setWidth($columnWidth / 5.4);

                    }

                    ++ $columnID;

                }

            }

            

            $rowID = 1;

            if (isset($worksheet->Table->Row))

            {

                foreach ($worksheet->Table->Row as $rowData)

                {

                    $rowHasData = false;

                    $row_ss = $rowData->attributes($namespaces['ss']);

                    if (isset($row_ss['Index']))

                    {

                        $rowID = (integer) $row_ss['Index'];

                    }

                    //					echo '<b>Row '.$rowID.'</b><br />';
                    



                    $columnID = 'A';

                    foreach ($rowData->Cell as $cell)

                    {

                        

                        $cell_ss = $cell->attributes($namespaces['ss']);

                        if (isset($cell_ss['Index']))

                        {

                            $columnID = PHPExcel_Cell :: stringFromColumnIndex($cell_ss['Index'] - 1);

                        }

                        $cellRange = $columnID . $rowID;

                        

                        if (! is_null($this->getReadFilter()))

                        {

                            if (! $this->getReadFilter()->readCell($columnID, $rowID, $worksheetName))

                            {

                                continue;

                            }

                        }

                        

                        if ((isset($cell_ss['MergeAcross'])) || (isset($cell_ss['MergeDown'])))

                        {

                            $columnTo = $columnID;

                            if (isset($cell_ss['MergeAcross']))

                            {

                                $columnTo = PHPExcel_Cell :: stringFromColumnIndex(PHPExcel_Cell :: columnIndexFromString($columnID) + $cell_ss['MergeAcross'] - 1);

                            }

                            $rowTo = $rowID;

                            if (isset($cell_ss['MergeDown']))

                            {

                                $rowTo = $rowTo + $cell_ss['MergeDown'];

                            }

                            $cellRange .= ':' . $columnTo . $rowTo;

                            $objPHPExcel->getActiveSheet()->mergeCells($cellRange);

                        }

                        

                        $cellIsSet = $hasCalculatedValue = false;

                        $cellDataFormula = '';

                        if (isset($cell_ss['Formula']))

                        {

                            $cellDataFormula = $cell_ss['Formula'];

                            // added this as a check for array formulas
                            if (isset($cell_ss['ArrayRange']))

                            {

                                $cellDataCSEFormula = $cell_ss['ArrayRange'];

                            

     //								echo "found an array formula at ".$columnID.$rowID."<br />";
                            }

                            $hasCalculatedValue = true;

                        }

                        if (isset($cell->Data))

                        {

                            $cellValue = $cellData = $cell->Data;

                            $type = PHPExcel_Cell_DataType :: TYPE_NULL;

                            $cellData_ss = $cellData->attributes($namespaces['ss']);

                            if (isset($cellData_ss['Type']))

                            {

                                $cellDataType = $cellData_ss['Type'];

                                switch ($cellDataType)

                                {

                                    /*
									const TYPE_STRING		= 's';
									const TYPE_FORMULA		= 'f';
									const TYPE_NUMERIC		= 'n';
									const TYPE_BOOL			= 'b';
								    const TYPE_NULL			= 's';
								    const TYPE_INLINE		= 'inlineStr';
									const TYPE_ERROR		= 'e';
									*/

                                    case 'String' :

                                        $type = PHPExcel_Cell_DataType :: TYPE_STRING;

                                        break;

                                    case 'Number' :

                                        $type = PHPExcel_Cell_DataType :: TYPE_NUMERIC;

                                        $cellValue = (float) $cellValue;

                                        if (floor($cellValue) == $cellValue)

                                        {

                                            $cellValue = (integer) $cellValue;

                                        }

                                        break;

                                    case 'Boolean' :

                                        $type = PHPExcel_Cell_DataType :: TYPE_BOOL;

                                        $cellValue = ($cellValue != 0);

                                        break;

                                    case 'DateTime' :

                                        $type = PHPExcel_Cell_DataType :: TYPE_NUMERIC;

                                        $cellValue = PHPExcel_Shared_Date :: PHPToExcel(strtotime($cellValue));

                                        break;

                                    case 'Error' :

                                        $type = PHPExcel_Cell_DataType :: TYPE_ERROR;

                                        break;

                                }

                            }

                            

                            if ($hasCalculatedValue)

                            {

                                //								echo 'FORMULA<br />';
                                $type = PHPExcel_Cell_DataType :: TYPE_FORMULA;

                                $columnNumber = PHPExcel_Cell :: columnIndexFromString($columnID);

                                if (substr($cellDataFormula, 0, 3) == 'of:')

                                {

                                    $cellDataFormula = substr($cellDataFormula, 3);

                                    //									echo 'Before: ',$cellDataFormula,'<br />';
                                    $temp = explode('"', $cellDataFormula);

                                    $key = false;

                                    foreach ($temp as &$value)

                                    {

                                        //	Only replace in alternate array entries (i.e. non-quoted blocks)
                                        if ($key = ! $key)

                                        {

                                            $value = str_replace(array('[.', '.', ']'), '', $value);

                                        }

                                    }

                                }

                                else

                                {

                                    //	Convert R1C1 style references to A1 style references (but only when not quoted)
                                    //									echo 'Before: ',$cellDataFormula,'<br />';
                                    $temp = explode('"', $cellDataFormula);

                                    $key = false;

                                    foreach ($temp as &$value)

                                    {

                                        //	Only replace in alternate array entries (i.e. non-quoted blocks)
                                        if ($key = ! $key)

                                        {

                                            preg_match_all('/(R(\[?-?\d*\]?))(C(\[?-?\d*\]?))/', $value, $cellReferences, PREG_SET_ORDER + PREG_OFFSET_CAPTURE);

                                            //	Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way
                                            //		through the formula from left to right. Reversing means that we work right to left.through
                                            //		the formula
                                            $cellReferences = array_reverse($cellReferences);

                                            //	Loop through each R1C1 style reference in turn, converting it to its A1 style equivalent,
                                            //		then modify the formula to use that new reference
                                            foreach ($cellReferences as $cellReference)

                                            {

                                                $rowReference = $cellReference[2][0];

                                                //	Empty R reference is the current row
                                                if ($rowReference == '')

                                                    $rowReference = $rowID;

                                                

     //	Bracketed R references are relative to the current row
                                                if ($rowReference{0} == '[')

                                                    $rowReference = $rowID + trim($rowReference, '[]');

                                                $columnReference = $cellReference[4][0];

                                                //	Empty C reference is the current column
                                                if ($columnReference == '')

                                                    $columnReference = $columnNumber;

                                                

     //	Bracketed C references are relative to the current column
                                                if ($columnReference{0} == '[')

                                                    $columnReference = $columnNumber + trim($columnReference, '[]');

                                                $A1CellReference = PHPExcel_Cell :: stringFromColumnIndex($columnReference - 1) . $rowReference;

                                                $value = substr_replace($value, $A1CellReference, $cellReference[0][1], strlen($cellReference[0][0]));

                                            }

                                        }

                                    }

                                }

                                unset($value);

                                //	Then rebuild the formula string
                                $cellDataFormula = implode('"', $temp);

                            

     //								echo 'After: ',$cellDataFormula,'<br />';
                            }

                            

                            //							echo 'Cell '.$columnID.$rowID.' is a '.$type.' with a value of '.(($hasCalculatedValue) ? $cellDataFormula : $cellValue).'<br />';
                            //
                            $objPHPExcel->getActiveSheet()->getCell($columnID . $rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $cellValue), $type);

                            if ($hasCalculatedValue)

                            {

                                //								echo 'Formula result is '.$cellValue.'<br />';
                                $objPHPExcel->getActiveSheet()->getCell($columnID . $rowID)->setCalculatedValue($cellValue);

                            }

                            $cellIsSet = $rowHasData = true;

                        }

                        

                        if (isset($cell->Comment))

                        {

                            //							echo '<b>comment found</b><br />';
                            $commentAttributes = $cell->Comment->attributes($namespaces['ss']);

                            $author = 'unknown';

                            if (isset($commentAttributes->Author))

                            {

                                $author = (string) $commentAttributes->Author;

                            

     //								echo 'Author: ',$author,'<br />';
                            }

                            $node = $cell->Comment->Data->asXML();

                            //							$annotation = str_replace('html:','',substr($node,49,-10));
                            //							echo $annotation,'<br />';
                            $annotation = strip_tags($node);

                            //							echo 'Annotation: ',$annotation,'<br />';
                            $objPHPExcel->getActiveSheet()->getComment($columnID . $rowID)->setAuthor($author)->setText($this->_parseRichText($annotation));

                        }

                        

                        if (($cellIsSet) && (isset($cell_ss['StyleID'])))

                        {

                            $style = (string) $cell_ss['StyleID'];

                            //							echo 'Cell style for '.$columnID.$rowID.' is '.$style.'<br />';
                            if ((isset($this->_styles[$style])) && (count($this->_styles[$style]) > 0))

                            {

                                //								echo 'Cell '.$columnID.$rowID.'<br />';
                                //								print_r($this->_styles[$style]);
                                //								echo '<br />';
                                if (! $objPHPExcel->getActiveSheet()->cellExists($columnID . $rowID))

                                {

                                    $objPHPExcel->getActiveSheet()->getCell($columnID . $rowID)->setValue(NULL);

                                }

                                $objPHPExcel->getActiveSheet()->getStyle($cellRange)->applyFromArray($this->_styles[$style]);

                            }

                        }

                        ++ $columnID;

                    }

                    

                    if ($rowHasData)

                    {

                        if (isset($row_ss['StyleID']))

                        {

                            $rowStyle = $row_ss['StyleID'];

                        }

                        if (isset($row_ss['Height']))

                        {

                            $rowHeight = $row_ss['Height'];

                            //							echo '<b>Setting row height to '.$rowHeight.'</b><br />';
                            $objPHPExcel->getActiveSheet()->getRowDimension($rowID)->setRowHeight($rowHeight);

                        }

                    }

                    

                    ++ $rowID;

                }

            }

            ++ $worksheetID;

        }

        

        // Return
        return $objPHPExcel;

    }



    private function _parseRichText($is = '')

    {

        $value = new PHPExcel_RichText();

        

        $value->createText($is);

        

        return $value;

    }



}