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<?php
namespace PhpOffice\PhpSpreadsheet\Writer;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\RichText\Run;
use PhpOffice\PhpSpreadsheet\Shared\Drawing as SharedDrawing;
use PhpOffice\PhpSpreadsheet\Shared\Escher;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer\SpContainer;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE;
use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE\Blip;
use PhpOffice\PhpSpreadsheet\Shared\OLE;
use PhpOffice\PhpSpreadsheet\Shared\OLE\PPS\File;
use PhpOffice\PhpSpreadsheet\Shared\OLE\PPS\Root;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Worksheet\BaseDrawing;
use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
use PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing;
class Xls extends BaseWriter
{
/**
* PhpSpreadsheet object.
*
* @var Spreadsheet
*/
private $spreadsheet;
/**
* Total number of shared strings in workbook.
*
* @var int
*/
private $strTotal = 0;
/**
* Number of unique shared strings in workbook.
*
* @var int
*/
private $strUnique = 0;
/**
* Array of unique shared strings in workbook.
*
* @var array
*/
private $strTable = [];
/**
* Color cache. Mapping between RGB value and color index.
*
* @var array
*/
private $colors;
/**
* Formula parser.
*
* @var \PhpOffice\PhpSpreadsheet\Writer\Xls\Parser
*/
private $parser;
/**
* Identifier clusters for drawings. Used in MSODRAWINGGROUP record.
*
* @var array
*/
private $IDCLs;
/**
* Basic OLE object summary information.
*
* @var array
*/
private $summaryInformation;
/**
* Extended OLE object document summary information.
*
* @var array
*/
private $documentSummaryInformation;
/**
* @var \PhpOffice\PhpSpreadsheet\Writer\Xls\Workbook
*/
private $writerWorkbook;
/**
* @var \PhpOffice\PhpSpreadsheet\Writer\Xls\Worksheet[]
*/
private $writerWorksheets;
/**
* Create a new Xls Writer.
*
* @param Spreadsheet $spreadsheet PhpSpreadsheet object
*/
public function __construct(Spreadsheet $spreadsheet)
{
$this->spreadsheet = $spreadsheet;
$this->parser = new Xls\Parser($spreadsheet);
}
/**
* Save Spreadsheet to file.
*
* @param resource|string $pFilename
*/
public function save($pFilename): void
{
// garbage collect
$this->spreadsheet->garbageCollect();
$saveDebugLog = Calculation::getInstance($this->spreadsheet)->getDebugLog()->getWriteDebugLog();
Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog(false);
$saveDateReturnType = Functions::getReturnDateType();
Functions::setReturnDateType(Functions::RETURNDATE_EXCEL);
// initialize colors array
$this->colors = [];
// Initialise workbook writer
$this->writerWorkbook = new Xls\Workbook($this->spreadsheet, $this->strTotal, $this->strUnique, $this->strTable, $this->colors, $this->parser);
// Initialise worksheet writers
$countSheets = $this->spreadsheet->getSheetCount();
for ($i = 0; $i < $countSheets; ++$i) {
$this->writerWorksheets[$i] = new Xls\Worksheet($this->strTotal, $this->strUnique, $this->strTable, $this->colors, $this->parser, $this->preCalculateFormulas, $this->spreadsheet->getSheet($i));
}
// build Escher objects. Escher objects for workbooks needs to be build before Escher object for workbook.
$this->buildWorksheetEschers();
$this->buildWorkbookEscher();
// add 15 identical cell style Xfs
// for now, we use the first cellXf instead of cellStyleXf
$cellXfCollection = $this->spreadsheet->getCellXfCollection();
for ($i = 0; $i < 15; ++$i) {
$this->writerWorkbook->addXfWriter($cellXfCollection[0], true);
}
// add all the cell Xfs
foreach ($this->spreadsheet->getCellXfCollection() as $style) {
$this->writerWorkbook->addXfWriter($style, false);
}
// add fonts from rich text eleemnts
for ($i = 0; $i < $countSheets; ++$i) {
foreach ($this->writerWorksheets[$i]->phpSheet->getCoordinates() as $coordinate) {
$cell = $this->writerWorksheets[$i]->phpSheet->getCell($coordinate);
$cVal = $cell->getValue();
if ($cVal instanceof RichText) {
$elements = $cVal->getRichTextElements();
foreach ($elements as $element) {
if ($element instanceof Run) {
$font = $element->getFont();
$this->writerWorksheets[$i]->fontHashIndex[$font->getHashCode()] = $this->writerWorkbook->addFont($font);
}
}
}
}
}
// initialize OLE file
$workbookStreamName = 'Workbook';
$OLE = new File(OLE::ascToUcs($workbookStreamName));
// Write the worksheet streams before the global workbook stream,
// because the byte sizes of these are needed in the global workbook stream
$worksheetSizes = [];
for ($i = 0; $i < $countSheets; ++$i) {
$this->writerWorksheets[$i]->close();
$worksheetSizes[] = $this->writerWorksheets[$i]->_datasize;
}
// add binary data for global workbook stream
$OLE->append($this->writerWorkbook->writeWorkbook($worksheetSizes));
// add binary data for sheet streams
for ($i = 0; $i < $countSheets; ++$i) {
$OLE->append($this->writerWorksheets[$i]->getData());
}
$this->documentSummaryInformation = $this->writeDocumentSummaryInformation();
// initialize OLE Document Summary Information
if (isset($this->documentSummaryInformation) && !empty($this->documentSummaryInformation)) {
$OLE_DocumentSummaryInformation = new File(OLE::ascToUcs(chr(5) . 'DocumentSummaryInformation'));
$OLE_DocumentSummaryInformation->append($this->documentSummaryInformation);
}
$this->summaryInformation = $this->writeSummaryInformation();
// initialize OLE Summary Information
if (isset($this->summaryInformation) && !empty($this->summaryInformation)) {
$OLE_SummaryInformation = new File(OLE::ascToUcs(chr(5) . 'SummaryInformation'));
$OLE_SummaryInformation->append($this->summaryInformation);
}
// define OLE Parts
$arrRootData = [$OLE];
// initialize OLE Properties file
if (isset($OLE_SummaryInformation)) {
$arrRootData[] = $OLE_SummaryInformation;
}
// initialize OLE Extended Properties file
if (isset($OLE_DocumentSummaryInformation)) {
$arrRootData[] = $OLE_DocumentSummaryInformation;
}
$root = new Root(time(), time(), $arrRootData);
// save the OLE file
$this->openFileHandle($pFilename);
$root->save($this->fileHandle);
$this->maybeCloseFileHandle();
Functions::setReturnDateType($saveDateReturnType);
Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog($saveDebugLog);
}
/**
* Build the Worksheet Escher objects.
*/
private function buildWorksheetEschers(): void
{
// 1-based index to BstoreContainer
$blipIndex = 0;
$lastReducedSpId = 0;
$lastSpId = 0;
foreach ($this->spreadsheet->getAllsheets() as $sheet) {
// sheet index
$sheetIndex = $sheet->getParent()->getIndex($sheet);
$escher = null;
// check if there are any shapes for this sheet
$filterRange = $sheet->getAutoFilter()->getRange();
if (count($sheet->getDrawingCollection()) == 0 && empty($filterRange)) {
continue;
}
// create intermediate Escher object
$escher = new Escher();
// dgContainer
$dgContainer = new DgContainer();
// set the drawing index (we use sheet index + 1)
$dgId = $sheet->getParent()->getIndex($sheet) + 1;
$dgContainer->setDgId($dgId);
$escher->setDgContainer($dgContainer);
// spgrContainer
$spgrContainer = new SpgrContainer();
$dgContainer->setSpgrContainer($spgrContainer);
// add one shape which is the group shape
$spContainer = new SpContainer();
$spContainer->setSpgr(true);
$spContainer->setSpType(0);
$spContainer->setSpId(($sheet->getParent()->getIndex($sheet) + 1) << 10);
$spgrContainer->addChild($spContainer);
// add the shapes
$countShapes[$sheetIndex] = 0; // count number of shapes (minus group shape), in sheet
foreach ($sheet->getDrawingCollection() as $drawing) {
++$blipIndex;
++$countShapes[$sheetIndex];
// add the shape
$spContainer = new SpContainer();
// set the shape type
$spContainer->setSpType(0x004B);
// set the shape flag
$spContainer->setSpFlag(0x02);
// set the shape index (we combine 1-based sheet index and $countShapes to create unique shape index)
$reducedSpId = $countShapes[$sheetIndex];
$spId = $reducedSpId | ($sheet->getParent()->getIndex($sheet) + 1) << 10;
$spContainer->setSpId($spId);
// keep track of last reducedSpId
$lastReducedSpId = $reducedSpId;
// keep track of last spId
$lastSpId = $spId;
// set the BLIP index
$spContainer->setOPT(0x4104, $blipIndex);
// set coordinates and offsets, client anchor
$coordinates = $drawing->getCoordinates();
$offsetX = $drawing->getOffsetX();
$offsetY = $drawing->getOffsetY();
$width = $drawing->getWidth();
$height = $drawing->getHeight();
$twoAnchor = \PhpOffice\PhpSpreadsheet\Shared\Xls::oneAnchor2twoAnchor($sheet, $coordinates, $offsetX, $offsetY, $width, $height);
$spContainer->setStartCoordinates($twoAnchor['startCoordinates']);
$spContainer->setStartOffsetX($twoAnchor['startOffsetX']);
$spContainer->setStartOffsetY($twoAnchor['startOffsetY']);
$spContainer->setEndCoordinates($twoAnchor['endCoordinates']);
$spContainer->setEndOffsetX($twoAnchor['endOffsetX']);
$spContainer->setEndOffsetY($twoAnchor['endOffsetY']);
$spgrContainer->addChild($spContainer);
}
// AutoFilters
if (!empty($filterRange)) {
$rangeBounds = Coordinate::rangeBoundaries($filterRange);
$iNumColStart = $rangeBounds[0][0];
$iNumColEnd = $rangeBounds[1][0];
$iInc = $iNumColStart;
while ($iInc <= $iNumColEnd) {
++$countShapes[$sheetIndex];
// create an Drawing Object for the dropdown
$oDrawing = new BaseDrawing();
// get the coordinates of drawing
$cDrawing = Coordinate::stringFromColumnIndex($iInc) . $rangeBounds[0][1];
$oDrawing->setCoordinates($cDrawing);
$oDrawing->setWorksheet($sheet);
// add the shape
$spContainer = new SpContainer();
// set the shape type
$spContainer->setSpType(0x00C9);
// set the shape flag
$spContainer->setSpFlag(0x01);
// set the shape index (we combine 1-based sheet index and $countShapes to create unique shape index)
$reducedSpId = $countShapes[$sheetIndex];
$spId = $reducedSpId | ($sheet->getParent()->getIndex($sheet) + 1) << 10;
$spContainer->setSpId($spId);
// keep track of last reducedSpId
$lastReducedSpId = $reducedSpId;
// keep track of last spId
$lastSpId = $spId;
$spContainer->setOPT(0x007F, 0x01040104); // Protection -> fLockAgainstGrouping
$spContainer->setOPT(0x00BF, 0x00080008); // Text -> fFitTextToShape
$spContainer->setOPT(0x01BF, 0x00010000); // Fill Style -> fNoFillHitTest
$spContainer->setOPT(0x01FF, 0x00080000); // Line Style -> fNoLineDrawDash
$spContainer->setOPT(0x03BF, 0x000A0000); // Group Shape -> fPrint
// set coordinates and offsets, client anchor
$endCoordinates = Coordinate::stringFromColumnIndex($iInc);
$endCoordinates .= $rangeBounds[0][1] + 1;
$spContainer->setStartCoordinates($cDrawing);
$spContainer->setStartOffsetX(0);
$spContainer->setStartOffsetY(0);
$spContainer->setEndCoordinates($endCoordinates);
$spContainer->setEndOffsetX(0);
$spContainer->setEndOffsetY(0);
$spgrContainer->addChild($spContainer);
++$iInc;
}
}
// identifier clusters, used for workbook Escher object
$this->IDCLs[$dgId] = $lastReducedSpId;
// set last shape index
$dgContainer->setLastSpId($lastSpId);
// set the Escher object
$this->writerWorksheets[$sheetIndex]->setEscher($escher);
}
}
private function processMemoryDrawing(BstoreContainer &$bstoreContainer, BaseDrawing $drawing, string $renderingFunctionx): void
{
switch ($renderingFunctionx) {
case MemoryDrawing::RENDERING_JPEG:
$blipType = BSE::BLIPTYPE_JPEG;
$renderingFunction = 'imagejpeg';
break;
default:
$blipType = BSE::BLIPTYPE_PNG;
$renderingFunction = 'imagepng';
break;
}
ob_start();
call_user_func($renderingFunction, $drawing->getImageResource());
$blipData = ob_get_contents();
ob_end_clean();
$blip = new Blip();
$blip->setData($blipData);
$BSE = new BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
}
private function processDrawing(BstoreContainer &$bstoreContainer, BaseDrawing $drawing): void
{
$blipData = '';
$filename = $drawing->getPath();
[$imagesx, $imagesy, $imageFormat] = getimagesize($filename);
switch ($imageFormat) {
case 1: // GIF, not supported by BIFF8, we convert to PNG
$blipType = BSE::BLIPTYPE_PNG;
ob_start();
imagepng(imagecreatefromgif($filename));
$blipData = ob_get_contents();
ob_end_clean();
break;
case 2: // JPEG
$blipType = BSE::BLIPTYPE_JPEG;
$blipData = file_get_contents($filename);
break;
case 3: // PNG
$blipType = BSE::BLIPTYPE_PNG;
$blipData = file_get_contents($filename);
break;
case 6: // Windows DIB (BMP), we convert to PNG
$blipType = BSE::BLIPTYPE_PNG;
ob_start();
imagepng(SharedDrawing::imagecreatefrombmp($filename));
$blipData = ob_get_contents();
ob_end_clean();
break;
}
if ($blipData) {
$blip = new Blip();
$blip->setData($blipData);
$BSE = new BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
}
}
private function processBaseDrawing(BstoreContainer &$bstoreContainer, BaseDrawing $drawing): void
{
if ($drawing instanceof Drawing) {
$this->processDrawing($bstoreContainer, $drawing);
} elseif ($drawing instanceof MemoryDrawing) {
$this->processMemoryDrawing($bstoreContainer, $drawing, $drawing->getRenderingFunction());
}
}
private function checkForDrawings(): bool
{
// any drawings in this workbook?
$found = false;
foreach ($this->spreadsheet->getAllSheets() as $sheet) {
if (count($sheet->getDrawingCollection()) > 0) {
$found = true;
break;
}
}
return $found;
}
/**
* Build the Escher object corresponding to the MSODRAWINGGROUP record.
*/
private function buildWorkbookEscher(): void
{
// nothing to do if there are no drawings
if (!$this->checkForDrawings()) {
return;
}
// if we reach here, then there are drawings in the workbook
$escher = new Escher();
// dggContainer
$dggContainer = new DggContainer();
$escher->setDggContainer($dggContainer);
// set IDCLs (identifier clusters)
$dggContainer->setIDCLs($this->IDCLs);
// this loop is for determining maximum shape identifier of all drawing
$spIdMax = 0;
$totalCountShapes = 0;
$countDrawings = 0;
foreach ($this->spreadsheet->getAllsheets() as $sheet) {
$sheetCountShapes = 0; // count number of shapes (minus group shape), in sheet
$addCount = 0;
foreach ($sheet->getDrawingCollection() as $drawing) {
$addCount = 1;
++$sheetCountShapes;
++$totalCountShapes;
$spId = $sheetCountShapes | ($this->spreadsheet->getIndex($sheet) + 1) << 10;
$spIdMax = max($spId, $spIdMax);
}
$countDrawings += $addCount;
}
$dggContainer->setSpIdMax($spIdMax + 1);
$dggContainer->setCDgSaved($countDrawings);
$dggContainer->setCSpSaved($totalCountShapes + $countDrawings); // total number of shapes incl. one group shapes per drawing
// bstoreContainer
$bstoreContainer = new BstoreContainer();
$dggContainer->setBstoreContainer($bstoreContainer);
// the BSE's (all the images)
foreach ($this->spreadsheet->getAllsheets() as $sheet) {
foreach ($sheet->getDrawingCollection() as $drawing) {
$this->processBaseDrawing($bstoreContainer, $drawing);
}
}
// Set the Escher object
$this->writerWorkbook->setEscher($escher);
}
/**
* Build the OLE Part for DocumentSummary Information.
*
* @return string
*/
private function writeDocumentSummaryInformation()
{
// offset: 0; size: 2; must be 0xFE 0xFF (UTF-16 LE byte order mark)
$data = pack('v', 0xFFFE);
// offset: 2; size: 2;
$data .= pack('v', 0x0000);
// offset: 4; size: 2; OS version
$data .= pack('v', 0x0106);
// offset: 6; size: 2; OS indicator
$data .= pack('v', 0x0002);
// offset: 8; size: 16
$data .= pack('VVVV', 0x00, 0x00, 0x00, 0x00);
// offset: 24; size: 4; section count
$data .= pack('V', 0x0001);
// offset: 28; size: 16; first section's class id: 02 d5 cd d5 9c 2e 1b 10 93 97 08 00 2b 2c f9 ae
$data .= pack('vvvvvvvv', 0xD502, 0xD5CD, 0x2E9C, 0x101B, 0x9793, 0x0008, 0x2C2B, 0xAEF9);
// offset: 44; size: 4; offset of the start
$data .= pack('V', 0x30);
// SECTION
$dataSection = [];
$dataSection_NumProps = 0;
$dataSection_Summary = '';
$dataSection_Content = '';
// GKPIDDSI_CODEPAGE: CodePage
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x01],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x02], // 2 byte signed integer
'data' => ['data' => 1252],
];
++$dataSection_NumProps;
// GKPIDDSI_CATEGORY : Category
$dataProp = $this->spreadsheet->getProperties()->getCategory();
if ($dataProp) {
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x02],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x1E],
'data' => ['data' => $dataProp, 'length' => strlen($dataProp)],
];
++$dataSection_NumProps;
}
// GKPIDDSI_VERSION :Version of the application that wrote the property storage
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x17],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x03],
'data' => ['pack' => 'V', 'data' => 0x000C0000],
];
++$dataSection_NumProps;
// GKPIDDSI_SCALE : FALSE
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x0B],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x0B],
'data' => ['data' => false],
];
++$dataSection_NumProps;
// GKPIDDSI_LINKSDIRTY : True if any of the values for the linked properties have changed outside of the application
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x10],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x0B],
'data' => ['data' => false],
];
++$dataSection_NumProps;
// GKPIDDSI_SHAREDOC : FALSE
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x13],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x0B],
'data' => ['data' => false],
];
++$dataSection_NumProps;
// GKPIDDSI_HYPERLINKSCHANGED : True if any of the values for the _PID_LINKS (hyperlink text) have changed outside of the application
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x16],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x0B],
'data' => ['data' => false],
];
++$dataSection_NumProps;
// GKPIDDSI_DOCSPARTS
// MS-OSHARED p75 (2.3.3.2.2.1)
// Structure is VtVecUnalignedLpstrValue (2.3.3.1.9)
// cElements
$dataProp = pack('v', 0x0001);
$dataProp .= pack('v', 0x0000);
// array of UnalignedLpstr
// cch
$dataProp .= pack('v', 0x000A);
$dataProp .= pack('v', 0x0000);
// value
$dataProp .= 'Worksheet' . chr(0);
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x0D],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x101E],
'data' => ['data' => $dataProp, 'length' => strlen($dataProp)],
];
++$dataSection_NumProps;
// GKPIDDSI_HEADINGPAIR
// VtVecHeadingPairValue
// cElements
$dataProp = pack('v', 0x0002);
$dataProp .= pack('v', 0x0000);
// Array of vtHeadingPair
// vtUnalignedString - headingString
// stringType
$dataProp .= pack('v', 0x001E);
// padding
$dataProp .= pack('v', 0x0000);
// UnalignedLpstr
// cch
$dataProp .= pack('v', 0x0013);
$dataProp .= pack('v', 0x0000);
// value
$dataProp .= 'Feuilles de calcul';
// vtUnalignedString - headingParts
// wType : 0x0003 = 32 bit signed integer
$dataProp .= pack('v', 0x0300);
// padding
$dataProp .= pack('v', 0x0000);
// value
$dataProp .= pack('v', 0x0100);
$dataProp .= pack('v', 0x0000);
$dataProp .= pack('v', 0x0000);
$dataProp .= pack('v', 0x0000);
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x0C],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x100C],
'data' => ['data' => $dataProp, 'length' => strlen($dataProp)],
];
++$dataSection_NumProps;
// 4 Section Length
// 4 Property count
// 8 * $dataSection_NumProps (8 = ID (4) + OffSet(4))
$dataSection_Content_Offset = 8 + $dataSection_NumProps * 8;
foreach ($dataSection as $dataProp) {
// Summary
$dataSection_Summary .= pack($dataProp['summary']['pack'], $dataProp['summary']['data']);
// Offset
$dataSection_Summary .= pack($dataProp['offset']['pack'], $dataSection_Content_Offset);
// DataType
$dataSection_Content .= pack($dataProp['type']['pack'], $dataProp['type']['data']);
// Data
if ($dataProp['type']['data'] == 0x02) { // 2 byte signed integer
$dataSection_Content .= pack('V', $dataProp['data']['data']);
$dataSection_Content_Offset += 4 + 4;
} elseif ($dataProp['type']['data'] == 0x03) { // 4 byte signed integer
$dataSection_Content .= pack('V', $dataProp['data']['data']);
$dataSection_Content_Offset += 4 + 4;
} elseif ($dataProp['type']['data'] == 0x0B) { // Boolean
$dataSection_Content .= pack('V', (int) $dataProp['data']['data']);
$dataSection_Content_Offset += 4 + 4;
} elseif ($dataProp['type']['data'] == 0x1E) { // null-terminated string prepended by dword string length
// Null-terminated string
$dataProp['data']['data'] .= chr(0);
++$dataProp['data']['length'];
// Complete the string with null string for being a %4
$dataProp['data']['length'] = $dataProp['data']['length'] + ((4 - $dataProp['data']['length'] % 4) == 4 ? 0 : (4 - $dataProp['data']['length'] % 4));
$dataProp['data']['data'] = str_pad($dataProp['data']['data'], $dataProp['data']['length'], chr(0), STR_PAD_RIGHT);
$dataSection_Content .= pack('V', $dataProp['data']['length']);
$dataSection_Content .= $dataProp['data']['data'];
$dataSection_Content_Offset += 4 + 4 + strlen($dataProp['data']['data']);
// Condition below can never be true
//} elseif ($dataProp['type']['data'] == 0x40) { // Filetime (64-bit value representing the number of 100-nanosecond intervals since January 1, 1601)
// $dataSection_Content .= $dataProp['data']['data'];
// $dataSection_Content_Offset += 4 + 8;
} else {
$dataSection_Content .= $dataProp['data']['data'];
$dataSection_Content_Offset += 4 + $dataProp['data']['length'];
}
}
// Now $dataSection_Content_Offset contains the size of the content
// section header
// offset: $secOffset; size: 4; section length
// + x Size of the content (summary + content)
$data .= pack('V', $dataSection_Content_Offset);
// offset: $secOffset+4; size: 4; property count
$data .= pack('V', $dataSection_NumProps);
// Section Summary
$data .= $dataSection_Summary;
// Section Content
$data .= $dataSection_Content;
return $data;
}
private function writeSummaryPropOle(int $dataProp, int &$dataSection_NumProps, array &$dataSection, int $sumdata, int $typdata): void
{
if ($dataProp) {
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => $sumdata],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => $typdata], // null-terminated string prepended by dword string length
'data' => ['data' => OLE::localDateToOLE($dataProp)],
];
++$dataSection_NumProps;
}
}
private function writeSummaryProp(string $dataProp, int &$dataSection_NumProps, array &$dataSection, int $sumdata, int $typdata): void
{
if ($dataProp) {
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => $sumdata],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => $typdata], // null-terminated string prepended by dword string length
'data' => ['data' => $dataProp, 'length' => strlen($dataProp)],
];
++$dataSection_NumProps;
}
}
/**
* Build the OLE Part for Summary Information.
*
* @return string
*/
private function writeSummaryInformation()
{
// offset: 0; size: 2; must be 0xFE 0xFF (UTF-16 LE byte order mark)
$data = pack('v', 0xFFFE);
// offset: 2; size: 2;
$data .= pack('v', 0x0000);
// offset: 4; size: 2; OS version
$data .= pack('v', 0x0106);
// offset: 6; size: 2; OS indicator
$data .= pack('v', 0x0002);
// offset: 8; size: 16
$data .= pack('VVVV', 0x00, 0x00, 0x00, 0x00);
// offset: 24; size: 4; section count
$data .= pack('V', 0x0001);
// offset: 28; size: 16; first section's class id: e0 85 9f f2 f9 4f 68 10 ab 91 08 00 2b 27 b3 d9
$data .= pack('vvvvvvvv', 0x85E0, 0xF29F, 0x4FF9, 0x1068, 0x91AB, 0x0008, 0x272B, 0xD9B3);
// offset: 44; size: 4; offset of the start
$data .= pack('V', 0x30);
// SECTION
$dataSection = [];
$dataSection_NumProps = 0;
$dataSection_Summary = '';
$dataSection_Content = '';
// CodePage : CP-1252
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x01],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x02], // 2 byte signed integer
'data' => ['data' => 1252],
];
++$dataSection_NumProps;
$props = $this->spreadsheet->getProperties();
$this->writeSummaryProp($props->getTitle(), $dataSection_NumProps, $dataSection, 0x02, 0x1e);
$this->writeSummaryProp($props->getSubject(), $dataSection_NumProps, $dataSection, 0x03, 0x1e);
$this->writeSummaryProp($props->getCreator(), $dataSection_NumProps, $dataSection, 0x04, 0x1e);
$this->writeSummaryProp($props->getKeywords(), $dataSection_NumProps, $dataSection, 0x05, 0x1e);
$this->writeSummaryProp($props->getDescription(), $dataSection_NumProps, $dataSection, 0x06, 0x1e);
$this->writeSummaryProp($props->getLastModifiedBy(), $dataSection_NumProps, $dataSection, 0x08, 0x1e);
$this->writeSummaryPropOle($props->getCreated(), $dataSection_NumProps, $dataSection, 0x0c, 0x40);
$this->writeSummaryPropOle($props->getModified(), $dataSection_NumProps, $dataSection, 0x0d, 0x40);
// Security
$dataSection[] = [
'summary' => ['pack' => 'V', 'data' => 0x13],
'offset' => ['pack' => 'V'],
'type' => ['pack' => 'V', 'data' => 0x03], // 4 byte signed integer
'data' => ['data' => 0x00],
];
++$dataSection_NumProps;
// 4 Section Length
// 4 Property count
// 8 * $dataSection_NumProps (8 = ID (4) + OffSet(4))
$dataSection_Content_Offset = 8 + $dataSection_NumProps * 8;
foreach ($dataSection as $dataProp) {
// Summary
$dataSection_Summary .= pack($dataProp['summary']['pack'], $dataProp['summary']['data']);
// Offset
$dataSection_Summary .= pack($dataProp['offset']['pack'], $dataSection_Content_Offset);
// DataType
$dataSection_Content .= pack($dataProp['type']['pack'], $dataProp['type']['data']);
// Data
if ($dataProp['type']['data'] == 0x02) { // 2 byte signed integer
$dataSection_Content .= pack('V', $dataProp['data']['data']);
$dataSection_Content_Offset += 4 + 4;
} elseif ($dataProp['type']['data'] == 0x03) { // 4 byte signed integer
$dataSection_Content .= pack('V', $dataProp['data']['data']);
$dataSection_Content_Offset += 4 + 4;
} elseif ($dataProp['type']['data'] == 0x1E) { // null-terminated string prepended by dword string length
// Null-terminated string
$dataProp['data']['data'] .= chr(0);
++$dataProp['data']['length'];
// Complete the string with null string for being a %4
$dataProp['data']['length'] = $dataProp['data']['length'] + ((4 - $dataProp['data']['length'] % 4) == 4 ? 0 : (4 - $dataProp['data']['length'] % 4));
$dataProp['data']['data'] = str_pad($dataProp['data']['data'], $dataProp['data']['length'], chr(0), STR_PAD_RIGHT);
$dataSection_Content .= pack('V', $dataProp['data']['length']);
$dataSection_Content .= $dataProp['data']['data'];
$dataSection_Content_Offset += 4 + 4 + strlen($dataProp['data']['data']);
} elseif ($dataProp['type']['data'] == 0x40) { // Filetime (64-bit value representing the number of 100-nanosecond intervals since January 1, 1601)
$dataSection_Content .= $dataProp['data']['data'];
$dataSection_Content_Offset += 4 + 8;
}
// Data Type Not Used at the moment
}
// Now $dataSection_Content_Offset contains the size of the content
// section header
// offset: $secOffset; size: 4; section length
// + x Size of the content (summary + content)
$data .= pack('V', $dataSection_Content_Offset);
// offset: $secOffset+4; size: 4; property count
$data .= pack('V', $dataSection_NumProps);
// Section Summary
$data .= $dataSection_Summary;
// Section Content
$data .= $dataSection_Content;
return $data;
}
}
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