<?php
namespace MailPoetVendor;
if (!defined('ABSPATH')) exit;
/*
* @license MIT License
* */
if (!class_exists('ZipArchive')) { throw new \Exception('ZipArchive not found');
}
class XLSXWriter
{
//------------------------------------------------------------------
//http://office.microsoft.com/en-us/excel-help/excel-specifications-and-limits-HP010073849.aspx
const EXCEL_2007_MAX_ROW = 1048576;
const EXCEL_2007_MAX_COL = 16384;
//------------------------------------------------------------------
protected $author = 'MailPoet';
protected $sheets = [];
protected $shared_strings = [];//unique set
protected $shared_string_count = 0;//count of non-unique references to the unique set
protected $temp_files = [];
protected $current_sheet = '';
public $rtl = false;
public function __construct() {
if (!ini_get('date.timezone'))
{
//using date functions can kick out warning if this isn't set
date_default_timezone_set('UTC');
}
}
public function setAuthor($author='') {
$this->author = $author;
}
public function __destruct() {
if (!empty($this->temp_files)) {
foreach ($this->temp_files as $temp_file) {
@unlink($temp_file);
}
}
}
protected function tempFilename() {
$filename = tempnam(sys_get_temp_dir(), "xlsx_writer_");
$this->temp_files[] = $filename;
return $filename;
}
public function writeToStdOut() {
$temp_file = $this->tempFilename();
self::writeToFile($temp_file);
readfile($temp_file);
}
public function writeToString() {
$temp_file = $this->tempFilename();
self::writeToFile($temp_file);
$string = file_get_contents($temp_file);
return $string;
}
public function writeToFile($filename) {
foreach ($this->sheets as $sheet_name => $sheet) {
self::finalizeSheet($sheet_name);//making sure all footers have been written
}
@unlink($filename);//if the zip already exists, overwrite it
$zip = new \ZipArchive();
if (empty($this->sheets)) { self::log("Error in " . __CLASS__ . "::" . __FUNCTION__ . ", no worksheets defined.");
return;
}
if (!$zip->open($filename, \ZipArchive::CREATE)) { self::log("Error in " . __CLASS__ . "::" . __FUNCTION__ . ", unable to create zip.");
return;
}
$zip->addEmptyDir("docProps/");
$zip->addFromString("docProps/app.xml", self::buildAppXML() );
$zip->addFromString("docProps/core.xml", self::buildCoreXML());
$zip->addEmptyDir("_rels/");
$zip->addFromString("_rels/.rels", self::buildRelationshipsXML());
$zip->addEmptyDir("xl/worksheets/");
foreach ($this->sheets as $sheet) {
$zip->addFile($sheet->filename, "xl/worksheets/" . $sheet->xmlname );
}
if (!empty($this->shared_strings)) {
$zip->addFile($this->writeSharedStringsXML(), "xl/sharedStrings.xml" ); //$zip->addFromString("xl/sharedStrings.xml", self::buildSharedStringsXML() );
}
$zip->addFromString("xl/workbook.xml", self::buildWorkbookXML() );
$zip->addFile($this->writeStylesXML(), "xl/styles.xml" ); //$zip->addFromString("xl/styles.xml" , self::buildStylesXML() );
$zip->addFromString("[Content_Types].xml", self::buildContentTypesXML() );
$zip->addEmptyDir("xl/_rels/");
$zip->addFromString("xl/_rels/workbook.xml.rels", self::buildWorkbookRelsXML() );
$zip->close();
}
protected function initializeSheet($sheet_name) {
//if already initialized
if ($this->current_sheet == $sheet_name || isset($this->sheets[$sheet_name]))
return;
$sheet_filename = $this->tempFilename();
$sheet_xmlname = 'sheet' . (count($this->sheets) + 1) . ".xml";
$this->sheets[$sheet_name] = (object)[
'filename' => $sheet_filename,
'sheetname' => $sheet_name,
'xmlname' => $sheet_xmlname,
'row_count' => 0,
'file_writer' => new XLSXWriter_BuffererWriter($sheet_filename),
'cell_formats' => [],
'max_cell_tag_start' => 0,
'max_cell_tag_end' => 0,
'finalized' => false,
];
$sheet = &$this->sheets[$sheet_name];
$tabselected = count($this->sheets) == 1 ? 'true' : 'false';//only first sheet is selected
$max_cell = XLSXWriter::xlsCell(self::EXCEL_2007_MAX_ROW, self::EXCEL_2007_MAX_COL);//XFE1048577
$sheet->file_writer->write('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n");
$sheet->file_writer->write('<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">');
$sheet->file_writer->write( '<sheetPr filterMode="false">');
$sheet->file_writer->write( '<pageSetUpPr fitToPage="false"/>');
$sheet->file_writer->write( '</sheetPr>');
$sheet->max_cell_tag_start = $sheet->file_writer->ftell();
$sheet->file_writer->write('<dimension ref="A1:' . $max_cell . '"/>');
$sheet->max_cell_tag_end = $sheet->file_writer->ftell();
$sheet->file_writer->write( '<sheetViews>');
$sheet->file_writer->write( '<sheetView colorId="64" defaultGridColor="true" rightToLeft="' . $this->rtl . '" showFormulas="false" showGridLines="true" showOutlineSymbols="true" showRowColHeaders="true" showZeros="true" tabSelected="' . $tabselected . '" topLeftCell="A1" view="normal" windowProtection="false" workbookViewId="0" zoomScale="100" zoomScaleNormal="100" zoomScalePageLayoutView="100">');
$sheet->file_writer->write( '<selection activeCell="A1" activeCellId="0" pane="topLeft" sqref="A1"/>');
$sheet->file_writer->write( '</sheetView>');
$sheet->file_writer->write( '</sheetViews>');
$sheet->file_writer->write( '<cols>');
$sheet->file_writer->write( '<col collapsed="false" hidden="false" max="1025" min="1" style="0" width="11.5"/>');
$sheet->file_writer->write( '</cols>');
$sheet->file_writer->write( '<sheetData>');
}
public function writeSheetHeader($sheet_name, array $header_types) {
if (empty($sheet_name) || empty($header_types) || !empty($this->sheets[$sheet_name]))
return;
self::initializeSheet($sheet_name);
$sheet = &$this->sheets[$sheet_name];
$sheet->cell_formats = array_values($header_types);
$header_row = array_keys($header_types);
$sheet->file_writer->write('<row collapsed="false" customFormat="false" customHeight="false" hidden="false" ht="12.1" outlineLevel="0" r="' . (1) . '">');
foreach ($header_row as $k => $v) {
$this->writeCell($sheet->file_writer, 0, $k, $v, $cell_format = 'string');
}
$sheet->file_writer->write('</row>');
$sheet->row_count++;
$this->current_sheet = $sheet_name;
}
public function writeSheetRow($sheet_name, array $row) {
if (empty($sheet_name) || empty($row))
return;
self::initializeSheet($sheet_name);
$sheet = &$this->sheets[$sheet_name];
if (empty($sheet->cell_formats))
{
$sheet->cell_formats = array_fill(0, count($row), 'string');
}
$sheet->file_writer->write('<row collapsed="false" customFormat="false" customHeight="false" hidden="false" ht="12.1" outlineLevel="0" r="' . ($sheet->row_count + 1) . '">');
foreach ($row as $k => $v) {
$this->writeCell($sheet->file_writer, $sheet->row_count, $k, $v, $sheet->cell_formats[$k]);
}
$sheet->file_writer->write('</row>');
$sheet->row_count++;
$this->current_sheet = $sheet_name;
}
protected function finalizeSheet($sheet_name) {
if (empty($sheet_name) || $this->sheets[$sheet_name]->finalized)
return;
$sheet = &$this->sheets[$sheet_name];
$sheet->file_writer->write( '</sheetData>');
$sheet->file_writer->write( '<printOptions headings="false" gridLines="false" gridLinesSet="true" horizontalCentered="false" verticalCentered="false"/>');
$sheet->file_writer->write( '<pageMargins left="0.5" right="0.5" top="1.0" bottom="1.0" header="0.5" footer="0.5"/>');
$sheet->file_writer->write( '<pageSetup blackAndWhite="false" cellComments="none" copies="1" draft="false" firstPageNumber="1" fitToHeight="1" fitToWidth="1" horizontalDpi="300" orientation="portrait" pageOrder="downThenOver" paperSize="1" scale="100" useFirstPageNumber="true" usePrinterDefaults="false" verticalDpi="300"/>');
$sheet->file_writer->write( '<headerFooter differentFirst="false" differentOddEven="false">');
$sheet->file_writer->write( '<oddHeader>&C&"Times New Roman,Regular"&12&A</oddHeader>');
$sheet->file_writer->write( '<oddFooter>&C&"Times New Roman,Regular"&12Page &P</oddFooter>');
$sheet->file_writer->write( '</headerFooter>');
$sheet->file_writer->write('</worksheet>');
$max_cell = self::xlsCell($sheet->row_count - 1, count($sheet->cell_formats) - 1);
$max_cell_tag = '<dimension ref="A1:' . $max_cell . '"/>';
$padding_length = $sheet->max_cell_tag_end - $sheet->max_cell_tag_start - strlen($max_cell_tag);
$sheet->file_writer->fseek($sheet->max_cell_tag_start);
$sheet->file_writer->write($max_cell_tag . str_repeat(" ", (int)$padding_length));
$sheet->file_writer->close();
$sheet->finalized = true;
}
public function writeSheet(array $data, $sheet_name='', array $header_types=[] ) {
$sheet_name = empty($sheet_name) ? 'Sheet1' : $sheet_name;
$data = empty($data) ? [['']] : $data;
if (!empty($header_types))
{
$this->writeSheetHeader($sheet_name, $header_types);
}
foreach ($data as $i => $row)
{
$this->writeSheetRow($sheet_name, $row);
}
$this->finalizeSheet($sheet_name);
}
protected function writeCell(XLSXWriter_BuffererWriter &$file, $row_number, $column_number, $value, $cell_format) {
static $styles = ['money' => 1,'dollar' => 1,'datetime' => 2,'date' => 3,'string' => 0];
$cell = self::xlsCell($row_number, $column_number);
$s = isset($styles[$cell_format]) ? $styles[$cell_format] : '0';
if (!is_scalar($value) || $value == '') { //objects, array, empty
$file->write('<c r="' . $cell . '" s="' . $s . '"/>');
} elseif ($cell_format == 'date') {
$file->write('<c r="' . $cell . '" s="' . $s . '" t="n"><v>' . intval(self::convert_date_time($value)) . '</v></c>');
} elseif ($cell_format == 'datetime') {
$file->write('<c r="' . $cell . '" s="' . $s . '" t="n"><v>' . self::convert_date_time($value) . '</v></c>');
} elseif (!is_string($value)) {
$file->write('<c r="' . $cell . '" s="' . $s . '" t="n"><v>' . ($value * 1) . '</v></c>');//int,float, etc
} elseif ($value[0] != '0' && filter_var($value, FILTER_VALIDATE_INT)){ //excel wants to trim leading zeros
$file->write('<c r="' . $cell . '" s="' . $s . '" t="n"><v>' . ($value) . '</v></c>');//numeric string
} elseif ($value[0] == '='){
$file->write('<c r="' . $cell . '" s="' . $s . '" t="s"><f>' . self::xmlspecialchars($value) . '</f></c>');
} elseif ($value !== ''){
$file->write('<c r="' . $cell . '" s="' . $s . '" t="s"><v>' . self::xmlspecialchars($this->setSharedString($value)) . '</v></c>');
}
}
protected function writeStylesXML() {
$temporary_filename = $this->tempFilename();
$file = new XLSXWriter_BuffererWriter($temporary_filename);
$file->write('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n");
$file->write('<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main">');
$file->write('<numFmts count="4">');
$file->write( '<numFmt formatCode="GENERAL" numFmtId="164"/>');
$file->write( '<numFmt formatCode="[$$-1009]#,##0.00;[RED]\-[$$-1009]#,##0.00" numFmtId="165"/>');
$file->write( '<numFmt formatCode="YYYY-MM-DD\ HH:MM:SS" numFmtId="166"/>');
$file->write( '<numFmt formatCode="YYYY-MM-DD" numFmtId="167"/>');
$file->write('</numFmts>');
$file->write('<fonts count="4">');
$file->write( '<font><name val="Arial"/><charset val="1"/><family val="2"/><sz val="10"/></font>');
$file->write( '<font><name val="Arial"/><family val="0"/><sz val="10"/></font>');
$file->write( '<font><name val="Arial"/><family val="0"/><sz val="10"/></font>');
$file->write( '<font><name val="Arial"/><family val="0"/><sz val="10"/></font>');
$file->write('</fonts>');
$file->write('<fills count="2"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill></fills>');
$file->write('<borders count="1"><border diagonalDown="false" diagonalUp="false"><left/><right/><top/><bottom/><diagonal/></border></borders>');
$file->write( '<cellStyleXfs count="20">');
$file->write( '<xf applyAlignment="true" applyBorder="true" applyFont="true" applyProtection="true" borderId="0" fillId="0" fontId="0" numFmtId="164">');
$file->write( '<alignment horizontal="general" indent="0" shrinkToFit="false" textRotation="0" vertical="bottom" wrapText="false"/>');
$file->write( '<protection hidden="false" locked="true"/>');
$file->write( '</xf>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="2" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="2" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="43"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="41"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="44"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="42"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="true" applyProtection="false" borderId="0" fillId="0" fontId="1" numFmtId="9"/>');
$file->write( '</cellStyleXfs>');
$file->write( '<cellXfs count="4">');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="164" xfId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="165" xfId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="166" xfId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="167" xfId="0"/>');
$file->write( '</cellXfs>');
$file->write( '<cellStyles count="6">');
$file->write( '<cellStyle builtinId="0" customBuiltin="false" name="Normal" xfId="0"/>');
$file->write( '<cellStyle builtinId="3" customBuiltin="false" name="Comma" xfId="15"/>');
$file->write( '<cellStyle builtinId="6" customBuiltin="false" name="Comma [0]" xfId="16"/>');
$file->write( '<cellStyle builtinId="4" customBuiltin="false" name="Currency" xfId="17"/>');
$file->write( '<cellStyle builtinId="7" customBuiltin="false" name="Currency [0]" xfId="18"/>');
$file->write( '<cellStyle builtinId="5" customBuiltin="false" name="Percent" xfId="19"/>');
$file->write( '</cellStyles>');
$file->write('</styleSheet>');
$file->close();
return $temporary_filename;
}
protected function setSharedString($v) {
if (isset($this->shared_strings[$v]))
{
$string_value = $this->shared_strings[$v];
}
else
{
$string_value = count($this->shared_strings);
$this->shared_strings[$v] = $string_value;
}
$this->shared_string_count++;//non-unique count
return $string_value;
}
protected function writeSharedStringsXML() {
$temporary_filename = $this->tempFilename();
$file = new XLSXWriter_BuffererWriter($temporary_filename, $fd_flags = 'w', $check_utf8 = true);
$file->write('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n");
$file->write('<sst count="' . ($this->shared_string_count) . '" uniqueCount="' . count($this->shared_strings) . '" xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main">');
foreach ($this->shared_strings as $s => $c)
{
$file->write('<si><t>' . self::xmlspecialchars($s) . '</t></si>');
}
$file->write('</sst>');
$file->close();
return $temporary_filename;
}
protected function buildAppXML() {
$app_xml = "";
$app_xml .= '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n";
$app_xml .= '<Properties xmlns="http://schemas.openxmlformats.org/officeDocument/2006/extended-properties" xmlns:vt="http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"><TotalTime>0</TotalTime></Properties>';
return $app_xml;
}
protected function buildCoreXML() {
$core_xml = "";
$core_xml .= '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n";
$core_xml .= '<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">';
$core_xml .= '<dcterms:created xsi:type="dcterms:W3CDTF">' . date("Y-m-d\TH:i:s.00\Z") . '</dcterms:created>';//$date_time = '2014-10-25T15:54:37.00Z';
$core_xml .= '<dc:creator>' . self::xmlspecialchars($this->author) . '</dc:creator>';
$core_xml .= '<cp:revision>0</cp:revision>';
$core_xml .= '</cp:coreProperties>';
return $core_xml;
}
protected function buildRelationshipsXML() {
$rels_xml = "";
$rels_xml .= '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
$rels_xml .= '<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">';
$rels_xml .= '<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>';
$rels_xml .= '<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" Target="docProps/core.xml"/>';
$rels_xml .= '<Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties" Target="docProps/app.xml"/>';
$rels_xml .= "\n";
$rels_xml .= '</Relationships>';
return $rels_xml;
}
protected function buildWorkbookXML() {
$i = 0;
$workbook_xml = "";
$workbook_xml .= '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' . "\n";
$workbook_xml .= '<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">';
$workbook_xml .= '<fileVersion appName="Calc"/><workbookPr backupFile="false" showObjects="all" date1904="false"/><workbookProtection/>';
$workbook_xml .= '<bookViews><workbookView activeTab="0" firstSheet="0" showHorizontalScroll="true" showSheetTabs="true" showVerticalScroll="true" tabRatio="212" windowHeight="8192" windowWidth="16384" xWindow="0" yWindow="0"/></bookViews>';
$workbook_xml .= '<sheets>';
foreach ($this->sheets as $sheet_name => $sheet) {
$workbook_xml .= '<sheet name="' . self::xmlspecialchars($sheet->sheetname) . '" sheetId="' . ($i + 1) . '" state="visible" r:id="rId' . ($i + 2) . '"/>';
$i++;
}
$workbook_xml .= '</sheets>';
$workbook_xml .= '<calcPr iterateCount="100" refMode="A1" iterate="false" iterateDelta="0.001"/></workbook>';
return $workbook_xml;
}
protected function buildWorkbookRelsXML() {
$i = 0;
$wkbkrels_xml = "";
$wkbkrels_xml .= '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
$wkbkrels_xml .= '<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">';
$wkbkrels_xml .= '<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/>';
foreach ($this->sheets as $sheet_name => $sheet) {
$wkbkrels_xml .= '<Relationship Id="rId' . ($i + 2) . '" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/' . ($sheet->xmlname) . '"/>';
$i++;
}
if (!empty($this->shared_strings)) {
$wkbkrels_xml .= '<Relationship Id="rId' . (count($this->sheets) + 2) . '" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings" Target="sharedStrings.xml"/>';
}
$wkbkrels_xml .= "\n";
$wkbkrels_xml .= '</Relationships>';
return $wkbkrels_xml;
}
protected function buildContentTypesXML() {
$content_types_xml = "";
$content_types_xml .= '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
$content_types_xml .= '<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">';
$content_types_xml .= '<Override PartName="/_rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>';
$content_types_xml .= '<Override PartName="/xl/_rels/workbook.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>';
foreach ($this->sheets as $sheet_name => $sheet) {
$content_types_xml .= '<Override PartName="/xl/worksheets/' . ($sheet->xmlname) . '" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>';
}
if (!empty($this->shared_strings)) {
$content_types_xml .= '<Override PartName="/xl/sharedStrings.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"/>';
}
$content_types_xml .= '<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/>';
$content_types_xml .= '<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml"/>';
$content_types_xml .= '<Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/>';
$content_types_xml .= '<Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/>';
$content_types_xml .= "\n";
$content_types_xml .= '</Types>';
return $content_types_xml;
}
//------------------------------------------------------------------
/*
* @param $row_number int, zero based
* @param $column_number int, zero based
* @return Cell label/coordinates, ex: A1, C3, AA42
* */
public static function xlsCell($row_number, $column_number) {
$n = $column_number;
for ($r = ""; $n >= 0; $n = intval($n / 26) - 1) {
$r = chr($n % 26 + 0x41) . $r;
}
return $r . ($row_number + 1);
}
//------------------------------------------------------------------
public static function log($string) {
file_put_contents("php://stderr", date("Y-m-d H:i:s:") . rtrim(is_array($string) ? json_encode($string) : $string) . "\n");
}
//------------------------------------------------------------------
public static function sanitize_filename($filename) {
//http://msdn.microsoft.com/en-us/library/aa365247%28VS.85%29.aspx
$nonprinting = array_map('chr', range(0, 31));
$invalid_chars = ['<', '>', '?', '"', ':', '|', '\\', '/', '*', '&'];
$all_invalids = array_merge($nonprinting, $invalid_chars);
return str_replace($all_invalids, "", $filename);
}
//------------------------------------------------------------------
public static function xmlspecialchars($val) {
return str_replace("'", "'", htmlspecialchars($val));
}
//------------------------------------------------------------------
public static function array_first_key(array $arr) {
reset($arr);
$first_key = key($arr);
return $first_key;
}
//------------------------------------------------------------------
public static function convert_date_time($date_input) {
//thanks to Excel::Writer::XLSX::Worksheet.pm (perl)
$days = 0; # Number of days since epoch
$seconds = 0; # Time expressed as fraction of 24h hours in seconds
$year = $month = $day = 0;
$hour = $min = $sec = 0;
$date_time = $date_input;
if (preg_match("/(\d{4})\-(\d{2})\-(\d{2})/", $date_time, $matches))
{
list($junk,$year,$month,$day) = $matches;
}
if (preg_match("/(\d{2}):(\d{2}):(\d{2})/", $date_time, $matches))
{
list($junk,$hour,$min,$sec) = $matches;
$seconds = ( $hour * 60 * 60 + $min * 60 + $sec ) / ( 24 * 60 * 60 );
}
//using 1900 as epoch, not 1904, ignoring 1904 special case
# Special cases for Excel.
if ("$year-$month-$day" == '1899-12-31') return $seconds ; # Excel 1900 epoch
if ("$year-$month-$day" == '1900-01-00') return $seconds ; # Excel 1900 epoch
if ("$year-$month-$day" == '1900-02-29') return 60 + $seconds ; # Excel false leapday
# We calculate the date by calculating the number of days since the epoch
# and adjust for the number of leap days. We calculate the number of leap
# days by normalising the year in relation to the epoch. Thus the year 2000
# becomes 100 for 4 and 100 year leapdays and 400 for 400 year leapdays.
$epoch = 1900;
$offset = 0;
$norm = 300;
$range = $year - $epoch;
# Set month days and check for leap year.
$leap = (($year % 400 == 0) || (($year % 4 == 0) && ($year % 100)) ) ? 1 : 0;
$mdays = [ 31, ($leap ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
# Some boundary checks
if ($year < $epoch || $year > 9999) return 0;
if ($month < 1 || $month > 12) return 0;
if ($day < 1 || $day > $mdays[$month - 1]) return 0;
# Accumulate the number of days since the epoch.
$days = $day; # Add days for current month
$days += array_sum( array_slice($mdays, 0, $month - 1 ) ); # Add days for past months
$days += $range * 365; # Add days for past years
$days += intval( ( $range ) / 4 ); # Add leapdays
$days -= intval( ( $range + $offset ) / 100 ); # Subtract 100 year leapdays
$days += intval( ( $range + $offset + $norm ) / 400 ); # Add 400 year leapdays
$days -= $leap; # Already counted above
# Adjust for Excel erroneously treating 1900 as a leap year.
if ($days > 59) { $days++;
}
return $days + $seconds;
}
//------------------------------------------------------------------
}
class XLSXWriter_BuffererWriter
{
protected $fd = null;
protected $buffer = '';
protected $check_utf8 = false;
public function __construct($filename, $fd_fopen_flags='w', $check_utf8=false) {
$this->check_utf8 = $check_utf8;
$this->fd = fopen($filename, $fd_fopen_flags);
if ($this->fd === false) {
XLSXWriter::log("Unable to open $filename for writing.");
}
}
public function write($string) {
$this->buffer .= $string;
if (isset($this->buffer[8191])) {
$this->purge();
}
}
protected function purge() {
if ($this->fd) {
if ($this->check_utf8 && !self::isValidUTF8($this->buffer)) {
XLSXWriter::log("Error, invalid UTF8 encoding detected.");
$this->check_utf8 = false;
}
fwrite($this->fd, $this->buffer);
$this->buffer = '';
}
}
public function close() {
$this->purge();
if ($this->fd) {
fclose($this->fd);
$this->fd = null;
}
}
public function __destruct() {
$this->close();
}
public function ftell() {
if ($this->fd) {
$this->purge();
return ftell($this->fd);
}
return -1;
}
public function fseek($pos) {
if ($this->fd) {
$this->purge();
return fseek($this->fd, $pos);
}
return -1;
}
protected static function isValidUTF8($string) {
if (function_exists('mb_check_encoding'))
{
return mb_check_encoding($string, 'UTF-8') ? true : false;
}
return preg_match("//u", $string) ? true : false;
}
}