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<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2014 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
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version 1.8.0, 2014-03-02
*/
/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/');
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}
/**
* PHPExcel
*
* @category PHPExcel
* @package PHPExcel
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel
{
/**
* Unique ID
*
* @var string
*/
private $_uniqueID;
/**
* Document properties
*
* @var PHPExcel_DocumentProperties
*/
private $_properties;
/**
* Document security
*
* @var PHPExcel_DocumentSecurity
*/
private $_security;
/**
* Collection of Worksheet objects
*
* @var PHPExcel_Worksheet[]
*/
private $_workSheetCollection = array();
/**
* Calculation Engine
*
* @var PHPExcel_Calculation
*/
private $_calculationEngine = NULL;
/**
* Active sheet index
*
* @var int
*/
private $_activeSheetIndex = 0;
/**
* Named ranges
*
* @var PHPExcel_NamedRange[]
*/
private $_namedRanges = array();
/**
* CellXf supervisor
*
* @var PHPExcel_Style
*/
private $_cellXfSupervisor;
/**
* CellXf collection
*
* @var PHPExcel_Style[]
*/
private $_cellXfCollection = array();
/**
* CellStyleXf collection
*
* @var PHPExcel_Style[]
*/
private $_cellStyleXfCollection = array();
/**
* _hasMacros : this workbook have macros ?
*
* @var bool
*/
private $_hasMacros = FALSE;
/**
* _macrosCode : all macros code (the vbaProject.bin file, this include form, code, etc.), NULL if no macro
*
* @var binary
*/
private $_macrosCode=NULL;
/**
* _macrosCertificate : if macros are signed, contains vbaProjectSignature.bin file, NULL if not signed
*
* @var binary
*/
private $_macrosCertificate=NULL;
/**
* _ribbonXMLData : NULL if workbook is'nt Excel 2007 or not contain a customized UI
*
* @var NULL|string
*/
private $_ribbonXMLData=NULL;
/**
* _ribbonBinObjects : NULL if workbook is'nt Excel 2007 or not contain embedded objects (picture(s)) for Ribbon Elements
* ignored if $_ribbonXMLData is null
*
* @var NULL|array
*/
private $_ribbonBinObjects=NULL;
/**
* The workbook has macros ?
*
* @return true if workbook has macros, false if not
*/
public function hasMacros(){
return $this->_hasMacros;
}
/**
* Define if a workbook has macros
*
* @param true|false
*/
public function setHasMacros($hasMacros=false){
$this->_hasMacros=(bool)$hasMacros;
}
/**
* Set the macros code
*
* @param binary string|null
*/
public function setMacrosCode($MacrosCode){
$this->_macrosCode=$MacrosCode;
$this->setHasMacros(!is_null($MacrosCode));
}
/**
* Return the macros code
*
* @return binary|null
*/
public function getMacrosCode(){
return $this->_macrosCode;
}
/**
* Set the macros certificate
*
* @param binary|null
*/
public function setMacrosCertificate($Certificate=NULL){
$this->_macrosCertificate=$Certificate;
}
/**
* Is the project signed ?
*
* @return true|false
*/
public function hasMacrosCertificate(){
return !is_null($this->_macrosCertificate);
}
/**
* Return the macros certificate
*
* @return binary|null
*/
public function getMacrosCertificate(){
return $this->_macrosCertificate;
}
/**
* Remove all macros, certificate from spreadsheet
*
* @param none
* @return void
*/
public function discardMacros(){
$this->_hasMacros=false;
$this->_macrosCode=NULL;
$this->_macrosCertificate=NULL;
}
/**
* set ribbon XML data
*
*/
public function setRibbonXMLData($Target=NULL, $XMLData=NULL){
if(!is_null($Target) && !is_null($XMLData)){
$this->_ribbonXMLData=array('target'=>$Target, 'data'=>$XMLData);
}else{
$this->_ribbonXMLData=NULL;
}
}
/**
* retrieve ribbon XML Data
*
* return string|null|array
*/
public function getRibbonXMLData($What='all'){//we need some constants here...
$ReturnData=NULL;
$What=strtolower($What);
switch($What){
case 'all':
$ReturnData=$this->_ribbonXMLData;
break;
case 'target':
case 'data':
if(is_array($this->_ribbonXMLData) && array_key_exists($What,$this->_ribbonXMLData)){
$ReturnData=$this->_ribbonXMLData[$What];
}//else $ReturnData stay at null
break;
}//default: $ReturnData at null
return $ReturnData;
}
/**
* store binaries ribbon objects (pictures)
*
*/
public function setRibbonBinObjects($BinObjectsNames=NULL, $BinObjectsData=NULL){
if(!is_null($BinObjectsNames) && !is_null($BinObjectsData)){
$this->_ribbonBinObjects=array('names'=>$BinObjectsNames, 'data'=>$BinObjectsData);
}else{
$this->_ribbonBinObjects=NULL;
}
}
/**
* return the extension of a filename. Internal use for a array_map callback (php<5.3 don't like lambda function)
*
*/
private function _getExtensionOnly($ThePath){
return pathinfo($ThePath, PATHINFO_EXTENSION);
}
/**
* retrieve Binaries Ribbon Objects
*
*/
public function getRibbonBinObjects($What='all'){
$ReturnData=NULL;
$What=strtolower($What);
switch($What){
case 'all':
return $this->_ribbonBinObjects;
break;
case 'names':
case 'data':
if(is_array($this->_ribbonBinObjects) && array_key_exists($What, $this->_ribbonBinObjects)){
$ReturnData=$this->_ribbonBinObjects[$What];
}
break;
case 'types':
if(is_array($this->_ribbonBinObjects) && array_key_exists('data', $this->_ribbonBinObjects) && is_array($this->_ribbonBinObjects['data'])){
$tmpTypes=array_keys($this->_ribbonBinObjects['data']);
$ReturnData=array_unique(array_map(array($this,'_getExtensionOnly'), $tmpTypes));
}else
$ReturnData=array();//the caller want an array... not null if empty
break;
}
return $ReturnData;
}
/**
* This workbook have a custom UI ?
*
* @return true|false
*/
public function hasRibbon(){
return !is_null($this->_ribbonXMLData);
}
/**
* This workbook have additionnal object for the ribbon ?
*
* @return true|false
*/
public function hasRibbonBinObjects(){
return !is_null($this->_ribbonBinObjects);
}
/**
* Check if a sheet with a specified code name already exists
*
* @param string $pSheetCodeName Name of the worksheet to check
* @return boolean
*/
public function sheetCodeNameExists($pSheetCodeName)
{
return ($this->getSheetByCodeName($pSheetCodeName) !== NULL);
}
/**
* Get sheet by code name. Warning : sheet don't have always a code name !
*
* @param string $pName Sheet name
* @return PHPExcel_Worksheet
*/
public function getSheetByCodeName($pName = '')
{
$worksheetCount = count($this->_workSheetCollection);
for ($i = 0; $i < $worksheetCount; ++$i) {
if ($this->_workSheetCollection[$i]->getCodeName() == $pName) {
return $this->_workSheetCollection[$i];
}
}
return null;
}
/**
* Create a new PHPExcel with one Worksheet
*/
public function __construct()
{
$this->_uniqueID = uniqid();
$this->_calculationEngine = PHPExcel_Calculation::getInstance($this);
// Initialise worksheet collection and add one worksheet
$this->_workSheetCollection = array();
$this->_workSheetCollection[] = new PHPExcel_Worksheet($this);
$this->_activeSheetIndex = 0;
// Create document properties
$this->_properties = new PHPExcel_DocumentProperties();
// Create document security
$this->_security = new PHPExcel_DocumentSecurity();
// Set named ranges
$this->_namedRanges = array();
// Create the cellXf supervisor
$this->_cellXfSupervisor = new PHPExcel_Style(true);
$this->_cellXfSupervisor->bindParent($this);
// Create the default style
$this->addCellXf(new PHPExcel_Style);
$this->addCellStyleXf(new PHPExcel_Style);
}
/**
* Code to execute when this worksheet is unset()
*
*/
public function __destruct() {
PHPExcel_Calculation::unsetInstance($this);
$this->disconnectWorksheets();
} // function __destruct()
/**
* Disconnect all worksheets from this PHPExcel workbook object,
* typically so that the PHPExcel object can be unset
*
*/
public function disconnectWorksheets()
{
$worksheet = NULL;
foreach($this->_workSheetCollection as $k => &$worksheet) {
$worksheet->disconnectCells();
$this->_workSheetCollection[$k] = null;
}
unset($worksheet);
$this->_workSheetCollection = array();
}
/**
* Return the calculation engine for this worksheet
*
* @return PHPExcel_Calculation
*/
public function getCalculationEngine()
{
return $this->_calculationEngine;
} // function getCellCacheController()
/**
* Get properties
*
* @return PHPExcel_DocumentProperties
*/
public function getProperties()
{
return $this->_properties;
}
/**
* Set properties
*
* @param PHPExcel_DocumentProperties $pValue
*/
public function setProperties(PHPExcel_DocumentProperties $pValue)
{
$this->_properties = $pValue;
}
/**
* Get security
*
* @return PHPExcel_DocumentSecurity
*/
public function getSecurity()
{
return $this->_security;
}
/**
* Set security
*
* @param PHPExcel_DocumentSecurity $pValue
*/
public function setSecurity(PHPExcel_DocumentSecurity $pValue)
{
$this->_security = $pValue;
}
/**
* Get active sheet
*
* @return PHPExcel_Worksheet
*/
public function getActiveSheet()
{
return $this->_workSheetCollection[$this->_activeSheetIndex];
}
/**
* Create sheet and add it to this workbook
*
* @param int|null $iSheetIndex Index where sheet should go (0,1,..., or null for last)
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function createSheet($iSheetIndex = NULL)
{
$newSheet = new PHPExcel_Worksheet($this);
$this->addSheet($newSheet, $iSheetIndex);
return $newSheet;
}
/**
* Check if a sheet with a specified name already exists
*
* @param string $pSheetName Name of the worksheet to check
* @return boolean
*/
public function sheetNameExists($pSheetName)
{
return ($this->getSheetByName($pSheetName) !== NULL);
}
/**
* Add sheet
*
* @param PHPExcel_Worksheet $pSheet
* @param int|null $iSheetIndex Index where sheet should go (0,1,..., or null for last)
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function addSheet(PHPExcel_Worksheet $pSheet, $iSheetIndex = NULL)
{
if ($this->sheetNameExists($pSheet->getTitle())) {
throw new PHPExcel_Exception(
"Workbook already contains a worksheet named '{$pSheet->getTitle()}'. Rename this worksheet first."
);
}
if($iSheetIndex === NULL) {
if ($this->_activeSheetIndex < 0) {
$this->_activeSheetIndex = 0;
}
$this->_workSheetCollection[] = $pSheet;
} else {
// Insert the sheet at the requested index
array_splice(
$this->_workSheetCollection,
$iSheetIndex,
0,
array($pSheet)
);
// Adjust active sheet index if necessary
if ($this->_activeSheetIndex >= $iSheetIndex) {
++$this->_activeSheetIndex;
}
}
if ($pSheet->getParent() === null) {
$pSheet->rebindParent($this);
}
return $pSheet;
}
/**
* Remove sheet by index
*
* @param int $pIndex Active sheet index
* @throws PHPExcel_Exception
*/
public function removeSheetByIndex($pIndex = 0)
{
$numSheets = count($this->_workSheetCollection);
if ($pIndex > $numSheets - 1) {
throw new PHPExcel_Exception(
"You tried to remove a sheet by the out of bounds index: {$pIndex}. The actual number of sheets is {$numSheets}."
);
} else {
array_splice($this->_workSheetCollection, $pIndex, 1);
}
// Adjust active sheet index if necessary
if (($this->_activeSheetIndex >= $pIndex) &&
($pIndex > count($this->_workSheetCollection) - 1)) {
--$this->_activeSheetIndex;
}
}
/**
* Get sheet by index
*
* @param int $pIndex Sheet index
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function getSheet($pIndex = 0)
{
$numSheets = count($this->_workSheetCollection);
if ($pIndex > $numSheets - 1) {
throw new PHPExcel_Exception(
"Your requested sheet index: {$pIndex} is out of bounds. The actual number of sheets is {$numSheets}."
);
} else {
return $this->_workSheetCollection[$pIndex];
}
}
/**
* Get all sheets
*
* @return PHPExcel_Worksheet[]
*/
public function getAllSheets()
{
return $this->_workSheetCollection;
}
/**
* Get sheet by name
*
* @param string $pName Sheet name
* @return PHPExcel_Worksheet
*/
public function getSheetByName($pName = '')
{
$worksheetCount = count($this->_workSheetCollection);
for ($i = 0; $i < $worksheetCount; ++$i) {
if ($this->_workSheetCollection[$i]->getTitle() === $pName) {
return $this->_workSheetCollection[$i];
}
}
return NULL;
}
/**
* Get index for sheet
*
* @param PHPExcel_Worksheet $pSheet
* @return Sheet index
* @throws PHPExcel_Exception
*/
public function getIndex(PHPExcel_Worksheet $pSheet)
{
foreach ($this->_workSheetCollection as $key => $value) {
if ($value->getHashCode() == $pSheet->getHashCode()) {
return $key;
}
}
throw new PHPExcel_Exception("Sheet does not exist.");
}
/**
* Set index for sheet by sheet name.
*
* @param string $sheetName Sheet name to modify index for
* @param int $newIndex New index for the sheet
* @return New sheet index
* @throws PHPExcel_Exception
*/
public function setIndexByName($sheetName, $newIndex)
{
$oldIndex = $this->getIndex($this->getSheetByName($sheetName));
$pSheet = array_splice(
$this->_workSheetCollection,
$oldIndex,
1
);
array_splice(
$this->_workSheetCollection,
$newIndex,
0,
$pSheet
);
return $newIndex;
}
/**
* Get sheet count
*
* @return int
*/
public function getSheetCount()
{
return count($this->_workSheetCollection);
}
/**
* Get active sheet index
*
* @return int Active sheet index
*/
public function getActiveSheetIndex()
{
return $this->_activeSheetIndex;
}
/**
* Set active sheet index
*
* @param int $pIndex Active sheet index
* @throws PHPExcel_Exception
* @return PHPExcel_Worksheet
*/
public function setActiveSheetIndex($pIndex = 0)
{
$numSheets = count($this->_workSheetCollection);
if ($pIndex > $numSheets - 1) {
throw new PHPExcel_Exception(
"You tried to set a sheet active by the out of bounds index: {$pIndex}. The actual number of sheets is {$numSheets}."
);
} else {
$this->_activeSheetIndex = $pIndex;
}
return $this->getActiveSheet();
}
/**
* Set active sheet index by name
*
* @param string $pValue Sheet title
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function setActiveSheetIndexByName($pValue = '')
{
if (($worksheet = $this->getSheetByName($pValue)) instanceof PHPExcel_Worksheet) {
$this->setActiveSheetIndex($this->getIndex($worksheet));
return $worksheet;
}
throw new PHPExcel_Exception('Workbook does not contain sheet:' . $pValue);
}
/**
* Get sheet names
*
* @return string[]
*/
public function getSheetNames()
{
$returnValue = array();
$worksheetCount = $this->getSheetCount();
for ($i = 0; $i < $worksheetCount; ++$i) {
$returnValue[] = $this->getSheet($i)->getTitle();
}
return $returnValue;
}
/**
* Add external sheet
*
* @param PHPExcel_Worksheet $pSheet External sheet to add
* @param int|null $iSheetIndex Index where sheet should go (0,1,..., or null for last)
* @throws PHPExcel_Exception
* @return PHPExcel_Worksheet
*/
public function addExternalSheet(PHPExcel_Worksheet $pSheet, $iSheetIndex = null) {
if ($this->sheetNameExists($pSheet->getTitle())) {
throw new PHPExcel_Exception("Workbook already contains a worksheet named '{$pSheet->getTitle()}'. Rename the external sheet first.");
}
// count how many cellXfs there are in this workbook currently, we will need this below
$countCellXfs = count($this->_cellXfCollection);
// copy all the shared cellXfs from the external workbook and append them to the current
foreach ($pSheet->getParent()->getCellXfCollection() as $cellXf) {
$this->addCellXf(clone $cellXf);
}
// move sheet to this workbook
$pSheet->rebindParent($this);
// update the cellXfs
foreach ($pSheet->getCellCollection(false) as $cellID) {
$cell = $pSheet->getCell($cellID);
$cell->setXfIndex( $cell->getXfIndex() + $countCellXfs );
}
return $this->addSheet($pSheet, $iSheetIndex);
}
/**
* Get named ranges
*
* @return PHPExcel_NamedRange[]
*/
public function getNamedRanges() {
return $this->_namedRanges;
}
/**
* Add named range
*
* @param PHPExcel_NamedRange $namedRange
* @return PHPExcel
*/
public function addNamedRange(PHPExcel_NamedRange $namedRange) {
if ($namedRange->getScope() == null) {
// global scope
$this->_namedRanges[$namedRange->getName()] = $namedRange;
} else {
// local scope
$this->_namedRanges[$namedRange->getScope()->getTitle().'!'.$namedRange->getName()] = $namedRange;
}
return true;
}
/**
* Get named range
*
* @param string $namedRange
* @param PHPExcel_Worksheet|null $pSheet Scope. Use null for global scope
* @return PHPExcel_NamedRange|null
*/
public function getNamedRange($namedRange, PHPExcel_Worksheet $pSheet = null) {
$returnValue = null;
if ($namedRange != '' && ($namedRange !== NULL)) {
// first look for global defined name
if (isset($this->_namedRanges[$namedRange])) {
$returnValue = $this->_namedRanges[$namedRange];
}
// then look for local defined name (has priority over global defined name if both names exist)
if (($pSheet !== NULL) && isset($this->_namedRanges[$pSheet->getTitle() . '!' . $namedRange])) {
$returnValue = $this->_namedRanges[$pSheet->getTitle() . '!' . $namedRange];
}
}
return $returnValue;
}
/**
* Remove named range
*
* @param string $namedRange
* @param PHPExcel_Worksheet|null $pSheet Scope: use null for global scope.
* @return PHPExcel
*/
public function removeNamedRange($namedRange, PHPExcel_Worksheet $pSheet = null) {
if ($pSheet === NULL) {
if (isset($this->_namedRanges[$namedRange])) {
unset($this->_namedRanges[$namedRange]);
}
} else {
if (isset($this->_namedRanges[$pSheet->getTitle() . '!' . $namedRange])) {
unset($this->_namedRanges[$pSheet->getTitle() . '!' . $namedRange]);
}
}
return $this;
}
/**
* Get worksheet iterator
*
* @return PHPExcel_WorksheetIterator
*/
public function getWorksheetIterator() {
return new PHPExcel_WorksheetIterator($this);
}
/**
* Copy workbook (!= clone!)
*
* @return PHPExcel
*/
public function copy() {
$copied = clone $this;
$worksheetCount = count($this->_workSheetCollection);
for ($i = 0; $i < $worksheetCount; ++$i) {
$this->_workSheetCollection[$i] = $this->_workSheetCollection[$i]->copy();
$this->_workSheetCollection[$i]->rebindParent($this);
}
return $copied;
}
/**
* Implement PHP __clone to create a deep clone, not just a shallow copy.
*/
public function __clone() {
foreach($this as $key => $val) {
if (is_object($val) || (is_array($val))) {
$this->{$key} = unserialize(serialize($val));
}
}
}
/**
* Get the workbook collection of cellXfs
*
* @return PHPExcel_Style[]
*/
public function getCellXfCollection()
{
return $this->_cellXfCollection;
}
/**
* Get cellXf by index
*
* @param int $pIndex
* @return PHPExcel_Style
*/
public function getCellXfByIndex($pIndex = 0)
{
return $this->_cellXfCollection[$pIndex];
}
/**
* Get cellXf by hash code
*
* @param string $pValue
* @return PHPExcel_Style|false
*/
public function getCellXfByHashCode($pValue = '')
{
foreach ($this->_cellXfCollection as $cellXf) {
if ($cellXf->getHashCode() == $pValue) {
return $cellXf;
}
}
return false;
}
/**
* Check if style exists in style collection
*
* @param PHPExcel_Style $pCellStyle
* @return boolean
*/
public function cellXfExists($pCellStyle = null)
{
return in_array($pCellStyle, $this->_cellXfCollection, true);
}
/**
* Get default style
*
* @return PHPExcel_Style
* @throws PHPExcel_Exception
*/
public function getDefaultStyle()
{
if (isset($this->_cellXfCollection[0])) {
return $this->_cellXfCollection[0];
}
throw new PHPExcel_Exception('No default style found for this workbook');
}
/**
* Add a cellXf to the workbook
*
* @param PHPExcel_Style $style
*/
public function addCellXf(PHPExcel_Style $style)
{
$this->_cellXfCollection[] = $style;
$style->setIndex(count($this->_cellXfCollection) - 1);
}
/**
* Remove cellXf by index. It is ensured that all cells get their xf index updated.
*
* @param int $pIndex Index to cellXf
* @throws PHPExcel_Exception
*/
public function removeCellXfByIndex($pIndex = 0)
{
if ($pIndex > count($this->_cellXfCollection) - 1) {
throw new PHPExcel_Exception("CellXf index is out of bounds.");
} else {
// first remove the cellXf
array_splice($this->_cellXfCollection, $pIndex, 1);
// then update cellXf indexes for cells
foreach ($this->_workSheetCollection as $worksheet) {
foreach ($worksheet->getCellCollection(false) as $cellID) {
$cell = $worksheet->getCell($cellID);
$xfIndex = $cell->getXfIndex();
if ($xfIndex > $pIndex ) {
// decrease xf index by 1
$cell->setXfIndex($xfIndex - 1);
} else if ($xfIndex == $pIndex) {
// set to default xf index 0
$cell->setXfIndex(0);
}
}
}
}
}
/**
* Get the cellXf supervisor
*
* @return PHPExcel_Style
*/
public function getCellXfSupervisor()
{
return $this->_cellXfSupervisor;
}
/**
* Get the workbook collection of cellStyleXfs
*
* @return PHPExcel_Style[]
*/
public function getCellStyleXfCollection()
{
return $this->_cellStyleXfCollection;
}
/**
* Get cellStyleXf by index
*
* @param int $pIndex
* @return PHPExcel_Style
*/
public function getCellStyleXfByIndex($pIndex = 0)
{
return $this->_cellStyleXfCollection[$pIndex];
}
/**
* Get cellStyleXf by hash code
*
* @param string $pValue
* @return PHPExcel_Style|false
*/
public function getCellStyleXfByHashCode($pValue = '')
{
foreach ($this->_cellXfStyleCollection as $cellStyleXf) {
if ($cellStyleXf->getHashCode() == $pValue) {
return $cellStyleXf;
}
}
return false;
}
/**
* Add a cellStyleXf to the workbook
*
* @param PHPExcel_Style $pStyle
*/
public function addCellStyleXf(PHPExcel_Style $pStyle)
{
$this->_cellStyleXfCollection[] = $pStyle;
$pStyle->setIndex(count($this->_cellStyleXfCollection) - 1);
}
/**
* Remove cellStyleXf by index
*
* @param int $pIndex
* @throws PHPExcel_Exception
*/
public function removeCellStyleXfByIndex($pIndex = 0)
{
if ($pIndex > count($this->_cellStyleXfCollection) - 1) {
throw new PHPExcel_Exception("CellStyleXf index is out of bounds.");
} else {
array_splice($this->_cellStyleXfCollection, $pIndex, 1);
}
}
/**
* Eliminate all unneeded cellXf and afterwards update the xfIndex for all cells
* and columns in the workbook
*/
public function garbageCollect()
{
// how many references are there to each cellXf ?
$countReferencesCellXf = array();
foreach ($this->_cellXfCollection as $index => $cellXf) {
$countReferencesCellXf[$index] = 0;
}
foreach ($this->getWorksheetIterator() as $sheet) {
// from cells
foreach ($sheet->getCellCollection(false) as $cellID) {
$cell = $sheet->getCell($cellID);
++$countReferencesCellXf[$cell->getXfIndex()];
}
// from row dimensions
foreach ($sheet->getRowDimensions() as $rowDimension) {
if ($rowDimension->getXfIndex() !== null) {
++$countReferencesCellXf[$rowDimension->getXfIndex()];
}
}
// from column dimensions
foreach ($sheet->getColumnDimensions() as $columnDimension) {
++$countReferencesCellXf[$columnDimension->getXfIndex()];
}
}
// remove cellXfs without references and create mapping so we can update xfIndex
// for all cells and columns
$countNeededCellXfs = 0;
foreach ($this->_cellXfCollection as $index => $cellXf) {
if ($countReferencesCellXf[$index] > 0 || $index == 0) { // we must never remove the first cellXf
++$countNeededCellXfs;
} else {
unset($this->_cellXfCollection[$index]);
}
$map[$index] = $countNeededCellXfs - 1;
}
$this->_cellXfCollection = array_values($this->_cellXfCollection);
// update the index for all cellXfs
foreach ($this->_cellXfCollection as $i => $cellXf) {
$cellXf->setIndex($i);
}
// make sure there is always at least one cellXf (there should be)
if (empty($this->_cellXfCollection)) {
$this->_cellXfCollection[] = new PHPExcel_Style();
}
// update the xfIndex for all cells, row dimensions, column dimensions
foreach ($this->getWorksheetIterator() as $sheet) {
// for all cells
foreach ($sheet->getCellCollection(false) as $cellID) {
$cell = $sheet->getCell($cellID);
$cell->setXfIndex( $map[$cell->getXfIndex()] );
}
// for all row dimensions
foreach ($sheet->getRowDimensions() as $rowDimension) {
if ($rowDimension->getXfIndex() !== null) {
$rowDimension->setXfIndex( $map[$rowDimension->getXfIndex()] );
}
}
// for all column dimensions
foreach ($sheet->getColumnDimensions() as $columnDimension) {
$columnDimension->setXfIndex( $map[$columnDimension->getXfIndex()] );
}
// also do garbage collection for all the sheets
$sheet->garbageCollect();
}
}
/**
* Return the unique ID value assigned to this spreadsheet workbook
*
* @return string
*/
public function getID() {
return $this->_uniqueID;
}
}