{

//http://www.ecma-international.org/publications/standards/Ecma-376.htm

//http://officeopenxml.com/SSstyles.php

//------------------------------------------------------------------

//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 $title;

protected $subject;

protected $author;

protected $isRightToLeft;

protected $company;

protected $description;

protected $keywords = array();

protected $tempdir;

protected $current_sheet;

protected $sheets = array();

protected $temp_files = array();

protected $cell_styles = array();

protected $number_formats = array();

public function __construct()

{

defined('ENT_XML1') or define('ENT_XML1',16);//for php 5.3, avoid fatal error

date_default_timezone_get() or date_default_timezone_set('UTC');//php.ini missing tz, avoid warning

is_writeable($this->tempFilename()) or self::log("Warning: tempdir ".sys_get_temp_dir()." not writeable, use ->setTempDir()");

class_exists('ZipArchive') or self::log("Error: ZipArchive class does not exist");

$this->addCellStyle($number_format='GENERAL', $style_string=null);

}

public function setTitle($title='') { $this->title=$title; }

public function setSubject($subject='') { $this->subject=$subject; }

public function setAuthor($author='') { $this->author=$author; }

public function setCompany($company='') { $this->company=$company; }

public function setKeywords($keywords='') { $this->keywords=$keywords; }

public function setDescription($description='') { $this->description=$description; }

public function setTempDir($tempdir='') { $this->tempdir=$tempdir; }

public function setRightToLeft($isRightToLeft=false){ $this->isRightToLeft=$isRightToLeft; }

public function __destruct()

{

if (!empty($this->temp_files)) {

foreach($this->temp_files as $temp_file) {

@unlink($temp_file);

}

}

}

protected function tempFilename()

{

$tempdir = !empty($this->tempdir) ? $this->tempdir : sys_get_temp_dir();

$filename = tempnam($tempdir, "xlsx_writer_");

if (!$filename) {

// If you are seeing this error, it's possible you may have too many open

// file handles. If you're creating a spreadsheet with many small inserts,

// it is possible to exceed the default 1024 open file handles. Run 'ulimit -a'

// and try increasing the 'open files' number with 'ulimit -n 8192'

throw new \Exception("Unable to create tempfile - check file handle limits?");

}

$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

}

if ( file_exists( $filename ) ) {

if ( is_writable( $filename ) ) {

@unlink( $filename ); //if the zip already exists, remove it

} else {

self::log( "Error in " . __CLASS__ . "::" . __FUNCTION__ . ", file is not writeable." );

return;

}

}

$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 );

}

$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, $col_widths=array(), $auto_filter=false, $freeze_rows=false, $freeze_columns=false )

{

//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)array(

'filename' => $sheet_filename,

'sheetname' => $sheet_name,

'xmlname' => $sheet_xmlname,

'row_count' => 0,

'file_writer' => new XLSXWriter_BuffererWriter($sheet_filename),

'columns' => array(),

'merge_cells' => array(),

'max_cell_tag_start' => 0,

'max_cell_tag_end' => 0,

'auto_filter' => $auto_filter,

'freeze_rows' => $freeze_rows,

'freeze_columns' => $freeze_columns,

'finalized' => false,

);

$rightToLeftValue = $this->isRightToLeft ? 'true' : '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>');

$sheet->file_writer->write( '<sheetView colorId="64" defaultGridColor="true" rightToLeft="'.$rightToLeftValue.'" 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">');

if ($sheet->freeze_rows && $sheet->freeze_columns) {

$sheet->file_writer->write( '<pane ySplit="'.$sheet->freeze_rows.'" xSplit="'.$sheet->freeze_columns.'" topLeftCell="'.self::xlsCell($sheet->freeze_rows, $sheet->freeze_columns).'" activePane="bottomRight" state="frozen"/>');

$sheet->file_writer->write( '<selection activeCell="'.self::xlsCell($sheet->freeze_rows, 0).'" activeCellId="0" pane="topRight" sqref="'.self::xlsCell($sheet->freeze_rows, 0).'"/>');

$sheet->file_writer->write( '<selection activeCell="'.self::xlsCell(0, $sheet->freeze_columns).'" activeCellId="0" pane="bottomLeft" sqref="'.self::xlsCell(0, $sheet->freeze_columns).'"/>');

$sheet->file_writer->write( '<selection activeCell="'.self::xlsCell($sheet->freeze_rows, $sheet->freeze_columns).'" activeCellId="0" pane="bottomRight" sqref="'.self::xlsCell($sheet->freeze_rows, $sheet->freeze_columns).'"/>');

}

elseif ($sheet->freeze_rows) {

$sheet->file_writer->write( '<pane ySplit="'.$sheet->freeze_rows.'" topLeftCell="'.self::xlsCell($sheet->freeze_rows, 0).'" activePane="bottomLeft" state="frozen"/>');

$sheet->file_writer->write( '<selection activeCell="'.self::xlsCell($sheet->freeze_rows, 0).'" activeCellId="0" pane="bottomLeft" sqref="'.self::xlsCell($sheet->freeze_rows, 0).'"/>');

}

elseif ($sheet->freeze_columns) {

$sheet->file_writer->write( '<pane xSplit="'.$sheet->freeze_columns.'" topLeftCell="'.self::xlsCell(0, $sheet->freeze_columns).'" activePane="topRight" state="frozen"/>');

$sheet->file_writer->write( '<selection activeCell="'.self::xlsCell(0, $sheet->freeze_columns).'" activeCellId="0" pane="topRight" sqref="'.self::xlsCell(0, $sheet->freeze_columns).'"/>');

}

else { // not frozen

$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>');

$i=0;

if (!empty($col_widths)) {

foreach($col_widths as $column_width) {

$sheet->file_writer->write( '<col collapsed="false" hidden="false" max="'.($i+1).'" min="'.($i+1).'" style="0" customWidth="true" width="'.floatval($column_width).'"/>');

$i++;

}

}

$sheet->file_writer->write( '<col collapsed="false" hidden="false" max="1024" min="'.($i+1).'" style="0" customWidth="false" width="11.5"/>');

$sheet->file_writer->write( '</cols>');

$sheet->file_writer->write( '<sheetData>');

}

private function addCellStyle($number_format, $cell_style_string)

{

$number_format_idx = self::add_to_list_get_index($this->number_formats, $number_format);

$lookup_string = $number_format_idx.";".$cell_style_string;

$cell_style_idx = self::add_to_list_get_index($this->cell_styles, $lookup_string);

return $cell_style_idx;

}

private function initializeColumnTypes($header_types)

{

$column_types = array();

foreach($header_types as $v)

{

$number_format = self::numberFormatStandardized($v);

$number_format_type = self::determineNumberFormatType($number_format);

$cell_style_idx = $this->addCellStyle($number_format, $style_string=null);

$column_types[] = array('number_format' => $number_format,//contains excel format like 'YYYY-MM-DD HH:MM:SS'

'number_format_type' => $number_format_type, //contains friendly format like 'datetime'

'default_cell_style' => $cell_style_idx,

);

}

return $column_types;

}

public function writeSheetHeader($sheet_name, array $header_types, $col_options = null)

{

if (empty($sheet_name) || empty($header_types))

return;

$suppress_row = isset($col_options['suppress_row']) ? intval($col_options['suppress_row']) : false;

if (is_bool($col_options))

{

self::log( "Warning! passing $suppress_row=false|true to writeSheetHeader() is deprecated, this will be removed in a future version." );

$suppress_row = intval($col_options);

}

$style = &$col_options;

$col_widths = isset($col_options['widths']) ? (array)$col_options['widths'] : array();

$auto_filter = isset($col_options['auto_filter']) ? intval($col_options['auto_filter']) : false;

$freeze_rows = isset($col_options['freeze_rows']) ? intval($col_options['freeze_rows']) : false;

$freeze_columns = isset($col_options['freeze_columns']) ? intval($col_options['freeze_columns']) : false;

self::initializeSheet($sheet_name, $col_widths, $auto_filter, $freeze_rows, $freeze_columns);

$sheet = &$this->sheets[$sheet_name];

$sheet->columns = $this->initializeColumnTypes($header_types);

if (!$suppress_row)

{

$header_row = array_keys($header_types);

$sheet->file_writer->write('<row collapsed="false" customFormat="false" customHeight="false" hidden="false" ht="12.1" outlineLevel="0" r="' . ($sheet->row_count+1) . '">');

foreach ($header_row as $c => $v) {

$cell_style_idx = empty($style) ? $sheet->columns[$c]['default_cell_style'] : $this->addCellStyle( 'GENERAL', json_encode(isset($style[0]) ? $style[$c] : $style) );

$this->writeCell($sheet->file_writer, $sheet->row_count, $c, $v, $number_format_type='n_string', $cell_style_idx);

}

$sheet->file_writer->write('</row>');

$sheet->row_count++;

}

$this->current_sheet = $sheet_name;

}

public function writeSheetRow($sheet_name, array $row, $row_options=null)

{

if (empty($sheet_name))

return;

$this->initializeSheet($sheet_name);

$sheet = &$this->sheets[$sheet_name];

if (count($sheet->columns) < count($row)) {

$default_column_types = $this->initializeColumnTypes( array_fill($from=0, $until=count($row), 'GENERAL') );//will map to n_auto

$sheet->columns = array_merge((array)$sheet->columns, $default_column_types);

}

if (!empty($row_options))

{

$ht = isset($row_options['height']) ? floatval($row_options['height']) : 12.1;

$customHt = isset($row_options['height']) ? true : false;

$hidden = isset($row_options['hidden']) ? (bool)($row_options['hidden']) : false;

$collapsed = isset($row_options['collapsed']) ? (bool)($row_options['collapsed']) : false;

$sheet->file_writer->write('<row collapsed="'.($collapsed ? 'true' : 'false').'" customFormat="false" customHeight="'.($customHt ? 'true' : 'false').'" hidden="'.($hidden ? 'true' : 'false').'" ht="'.($ht).'" outlineLevel="0" r="' . ($sheet->row_count + 1) . '">');

}

else

{

$sheet->file_writer->write('<row collapsed="false" customFormat="false" customHeight="false" hidden="false" ht="12.1" outlineLevel="0" r="' . ($sheet->row_count + 1) . '">');

}

$style = &$row_options;

$c=0;

foreach ($row as $v) {

$number_format = $sheet->columns[$c]['number_format'];

$number_format_type = $sheet->columns[$c]['number_format_type'];

$cell_style_idx = empty($style) ? $sheet->columns[$c]['default_cell_style'] : $this->addCellStyle( $number_format, json_encode(isset($style[0]) ? $style[$c] : $style) );

$this->writeCell($sheet->file_writer, $sheet->row_count, $c, $v, $number_format_type, $cell_style_idx);

$c++;

}

$sheet->file_writer->write('</row>');

$sheet->row_count++;

$this->current_sheet = $sheet_name;

}

public function countSheetRows($sheet_name = '')

{

$sheet_name = $sheet_name ? $sheet_name : $this->current_sheet;

return array_key_exists($sheet_name, $this->sheets) ? $this->sheets[$sheet_name]->row_count : 0;

}

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>');

if (!empty($sheet->merge_cells)) {

$sheet->file_writer->write( '<mergeCells>');

foreach ($sheet->merge_cells as $range) {

$sheet->file_writer->write( '<mergeCell ref="' . $range . '"/>');

}

$sheet->file_writer->write( '</mergeCells>');

}

$max_cell = self::xlsCell($sheet->row_count - 1, count($sheet->columns) - 1);

if ($sheet->auto_filter) {

$sheet->file_writer->write( '<autoFilter ref="A1:' . $max_cell . '"/>');

}

$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>&amp;C&amp;&quot;Times New Roman,Regular&quot;&amp;12&amp;A</oddHeader>');

$sheet->file_writer->write( '<oddFooter>&amp;C&amp;&quot;Times New Roman,Regular&quot;&amp;12Page &amp;P</oddFooter>');

$sheet->file_writer->write( '</headerFooter>');

$sheet->file_writer->write('</worksheet>');

$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(" ", $padding_length));

$sheet->file_writer->close();

$sheet->finalized=true;

}

public function markMergedCell($sheet_name, $start_cell_row, $start_cell_column, $end_cell_row, $end_cell_column)

{

if (empty($sheet_name) || $this->sheets[$sheet_name]->finalized)

return;

self::initializeSheet($sheet_name);

$sheet = &$this->sheets[$sheet_name];

$startCell = self::xlsCell($start_cell_row, $start_cell_column);

$endCell = self::xlsCell($end_cell_row, $end_cell_column);

$sheet->merge_cells[] = $startCell . ":" . $endCell;

}

public function writeSheet(array $data, $sheet_name='', array $header_types=array())

{

$sheet_name = empty($sheet_name) ? 'Sheet1' : $sheet_name;

$data = empty($data) ? array(array('')) : $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, $num_format_type, $cell_style_idx)

{

$cell_name = self::xlsCell($row_number, $column_number);

if (!is_scalar($value) || $value==='') { //objects, array, empty

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'"/>');

} elseif (is_string($value) && $value[0]=='='){

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="s"><f>'.self::xmlspecialchars(ltrim($value, '=')).'</f></c>');

} elseif ($num_format_type=='n_date') {

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="n"><v>'.intval(self::convert_date_time($value)).'</v></c>');

} elseif ($num_format_type=='n_datetime') {

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="n"><v>'.self::convert_date_time($value).'</v></c>');

} elseif ($num_format_type=='n_numeric') {

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="n"><v>'.self::xmlspecialchars($value).'</v></c>');//int,float,currency

} elseif ($num_format_type=='n_string') {

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="inlineStr"><is><t>'.self::xmlspecialchars($value).'</t></is></c>');

} elseif ($num_format_type=='n_auto' || 1) { //auto-detect unknown column types

if (!is_string($value) || $value=='0' || ($value[0]!='0' && ctype_digit($value)) || preg_match("/^\-?(0|[1-9][0-9]*)(\.[0-9]+)?$/", $value)){

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="n"><v>'.self::xmlspecialchars($value).'</v></c>');//int,float,currency

} else { //implied: ($cell_format=='string')

$file->write('<c r="'.$cell_name.'" s="'.$cell_style_idx.'" t="inlineStr"><is><t>'.self::xmlspecialchars($value).'</t></is></c>');

}

}

}

protected function styleFontIndexes()

{

static $border_allowed = array('left','right','top','bottom');

static $border_style_allowed = array('thin','medium','thick','dashDot','dashDotDot','dashed','dotted','double','hair','mediumDashDot','mediumDashDotDot','mediumDashed','slantDashDot');

static $horizontal_allowed = array('general','left','right','justify','center');

static $vertical_allowed = array('bottom','center','distributed','top');

$default_font = array('size'=>'10','name'=>'Arial','family'=>'2');

$fills = array('','');//2 placeholders for static xml later

$fonts = array('','','','');//4 placeholders for static xml later

$borders = array('');//1 placeholder for static xml later

$style_indexes = array();

foreach($this->cell_styles as $i=>$cell_style_string)

{

$semi_colon_pos = strpos($cell_style_string,";");

$number_format_idx = substr($cell_style_string, 0, $semi_colon_pos);

$style_json_string = substr($cell_style_string, $semi_colon_pos+1);

$style = @json_decode($style_json_string, $as_assoc=true);

$style_indexes[$i] = array('num_fmt_idx'=>$number_format_idx);//initialize entry

if (isset($style['border']) && is_string($style['border']))//border is a comma delimited str

{

$border_value['side'] = array_intersect(explode(",", $style['border']), $border_allowed);

if (isset($style['border-style']) && in_array($style['border-style'],$border_style_allowed))

{

$border_value['style'] = $style['border-style'];

}

if (isset($style['border-color']) && is_string($style['border-color']) && $style['border-color'][0]=='#')

{

$v = substr($style['border-color'],1,6);

$v = strlen($v)==3 ? $v[0].$v[0].$v[1].$v[1].$v[2].$v[2] : $v;// expand cf0 => ccff00

$border_value['color'] = "FF".strtoupper($v);

}

$style_indexes[$i]['border_idx'] = self::add_to_list_get_index($borders, json_encode($border_value));

}

if (isset($style['fill']) && is_string($style['fill']) && $style['fill'][0]=='#')

{

$v = substr($style['fill'],1,6);

$v = strlen($v)==3 ? $v[0].$v[0].$v[1].$v[1].$v[2].$v[2] : $v;// expand cf0 => ccff00

$style_indexes[$i]['fill_idx'] = self::add_to_list_get_index($fills, "FF".strtoupper($v) );

}

if (isset($style['halign']) && in_array($style['halign'],$horizontal_allowed))

{

$style_indexes[$i]['alignment'] = true;

$style_indexes[$i]['halign'] = $style['halign'];

}

if (isset($style['valign']) && in_array($style['valign'],$vertical_allowed))

{

$style_indexes[$i]['alignment'] = true;

$style_indexes[$i]['valign'] = $style['valign'];

}

if (isset($style['wrap_text']))

{

$style_indexes[$i]['alignment'] = true;

$style_indexes[$i]['wrap_text'] = (bool)$style['wrap_text'];

}

$font = $default_font;

if (isset($style['font-size']))

{

$font['size'] = floatval($style['font-size']);//floatval to allow "10.5" etc

}

if (isset($style['font']) && is_string($style['font']))

{

if ($style['font']=='Comic Sans MS') { $font['family']=4; }

if ($style['font']=='Times New Roman') { $font['family']=1; }

if ($style['font']=='Courier New') { $font['family']=3; }

$font['name'] = strval($style['font']);

}

if (isset($style['font-style']) && is_string($style['font-style']))

{

if (strpos($style['font-style'], 'bold')!==false) { $font['bold'] = true; }

if (strpos($style['font-style'], 'italic')!==false) { $font['italic'] = true; }

if (strpos($style['font-style'], 'strike')!==false) { $font['strike'] = true; }

if (strpos($style['font-style'], 'underline')!==false) { $font['underline'] = true; }

}

if (isset($style['color']) && is_string($style['color']) && $style['color'][0]=='#' )

{

$v = substr($style['color'],1,6);

$v = strlen($v)==3 ? $v[0].$v[0].$v[1].$v[1].$v[2].$v[2] : $v;// expand cf0 => ccff00

$font['color'] = "FF".strtoupper($v);

}

if ($font!=$default_font)

{

$style_indexes[$i]['font_idx'] = self::add_to_list_get_index($fonts, json_encode($font) );

}

}

return array('fills'=>$fills,'fonts'=>$fonts,'borders'=>$borders,'styles'=>$style_indexes );

}

protected function writeStylesXML()

{

$r = self::styleFontIndexes();

$fills = $r['fills'];

$fonts = $r['fonts'];

$borders = $r['borders'];

$style_indexes = $r['styles'];

$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">');

$file->write('<numFmts count="'.count($this->number_formats).'">');

foreach($this->number_formats as $i=>$v) {

$file->write('<numFmt numFmtId="'.(164+$i).'" formatCode="'.self::xmlspecialchars($v).'" />');

}

//$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>');

$file->write('<fonts count="'.(count($fonts)).'">');

$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>');

foreach($fonts as $font) {

if (!empty($font)) { //fonts have 4 empty placeholders in array to offset the 4 static xml entries above

$f = json_decode($font,true);

$file->write('<font>');

$file->write( '<name val="'.htmlspecialchars($f['name']).'"/><charset val="1"/><family val="'.intval($f['family']).'"/>');

$file->write( '<sz val="'.intval($f['size']).'"/>');

if (!empty($f['color'])) { $file->write('<color rgb="'.strval($f['color']).'"/>'); }

if (!empty($f['bold'])) { $file->write('<b val="true"/>'); }

if (!empty($f['italic'])) { $file->write('<i val="true"/>'); }

if (!empty($f['underline'])) { $file->write('<u val="single"/>'); }

if (!empty($f['strike'])) { $file->write('<strike val="true"/>'); }

$file->write('</font>');

}

}

$file->write('</fonts>');

$file->write('<fills count="'.(count($fills)).'">');

$file->write( '<fill><patternFill patternType="none"/></fill>');

$file->write( '<fill><patternFill patternType="gray125"/></fill>');

foreach($fills as $fill) {

if (!empty($fill)) { //fills have 2 empty placeholders in array to offset the 2 static xml entries above

$file->write('<fill><patternFill patternType="solid"><fgColor rgb="'.strval($fill).'"/><bgColor indexed="64"/></patternFill></fill>');

}

}

$file->write('</fills>');

$file->write('<borders count="'.(count($borders)).'">');

$file->write( '<border diagonalDown="false" diagonalUp="false"><left/><right/><top/><bottom/><diagonal/></border>');

foreach($borders as $border) {

if (!empty($border)) { //fonts have an empty placeholder in the array to offset the static xml entry above

$pieces = json_decode($border,true);

$border_style = !empty($pieces['style']) ? $pieces['style'] : 'hair';

$border_color = !empty($pieces['color']) ? '<color rgb="'.strval($pieces['color']).'"/>' : '';

$file->write('<border diagonalDown="false" diagonalUp="false">');

foreach (array('left', 'right', 'top', 'bottom') as $side)

{

$show_side = in_array($side,$pieces['side']) ? true : false;

$file->write($show_side ? "<$side style=\"$border_style\">$border_color</$side>" : "<$side/>");

}

$file->write( '<diagonal/>');

$file->write('</border>');

}

}

$file->write('</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>');

$file->write('<cellXfs count="'.(count($style_indexes)).'">');

//$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"/>');

foreach($style_indexes as $v)

{

$applyAlignment = isset($v['alignment']) ? 'true' : 'false';

$wrapText = !empty($v['wrap_text']) ? 'true' : 'false';

$horizAlignment = isset($v['halign']) ? $v['halign'] : 'general';

$vertAlignment = isset($v['valign']) ? $v['valign'] : 'bottom';

$applyBorder = isset($v['border_idx']) ? 'true' : 'false';

$applyFont = 'true';

$borderIdx = isset($v['border_idx']) ? intval($v['border_idx']) : 0;

$fillIdx = isset($v['fill_idx']) ? intval($v['fill_idx']) : 0;

$fontIdx = isset($v['font_idx']) ? intval($v['font_idx']) : 0;

//$file->write('<xf applyAlignment="'.$applyAlignment.'" applyBorder="'.$applyBorder.'" applyFont="'.$applyFont.'" applyProtection="false" borderId="'.($borderIdx).'" fillId="'.($fillIdx).'" fontId="'.($fontIdx).'" numFmtId="'.(164+$v['num_fmt_idx']).'" xfId="0"/>');

$file->write('<xf applyAlignment="'.$applyAlignment.'" applyBorder="'.$applyBorder.'" applyFont="'.$applyFont.'" applyProtection="false" borderId="'.($borderIdx).'" fillId="'.($fillIdx).'" fontId="'.($fontIdx).'" numFmtId="'.(164+$v['num_fmt_idx']).'" xfId="0">');

$file->write(' <alignment horizontal="'.$horizAlignment.'" vertical="'.$vertAlignment.'" textRotation="0" wrapText="'.$wrapText.'" indent="0" shrinkToFit="false"/>');

$file->write(' <protection locked="true" hidden="false"/>');

$file->write('</xf>');

}

$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 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">';

$app_xml.='<TotalTime>0</TotalTime>';

$app_xml.='<Company>'.self::xmlspecialchars($this->company).'</Company>';

$app_xml.='</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';

$core_xml.='<dc:title>'.self::xmlspecialchars($this->title).'</dc:title>';

$core_xml.='<dc:subject>'.self::xmlspecialchars($this->subject).'</dc:subject>';

$core_xml.='<dc:creator>'.self::xmlspecialchars($this->author).'</dc:creator>';

if (!empty($this->keywords)) {

$core_xml.='<cp:keywords>'.self::xmlspecialchars(implode (", ", (array)$this->keywords)).'</cp:keywords>';

}

$core_xml.='<dc:description>'.self::xmlspecialchars($this->description).'</dc:description>';

$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) {

$sheetname = self::sanitize_sheetname($sheet->sheetname);

$workbook_xml.='<sheet name="'.self::xmlspecialchars($sheetname).'" sheetId="'.($i+1).'" state="visible" r:id="rId'.($i+2).'"/>';

$i++;

}

$workbook_xml.='</sheets>';

$workbook_xml.='<definedNames>';

$i=0;

foreach($this->sheets as $sheet_name=>$sheet) {

if ($sheet->auto_filter) {

$sheetname = self::sanitize_sheetname($sheet->sheetname);

$workbook_xml.='<definedName name="_xlnm._FilterDatabase" localSheetId="'.$i.'" hidden="1">\''.self::xmlspecialchars($sheetname).'\'!$A$1:' . self::xlsCell($sheet->row_count - 1, count($sheet->columns) - 1, true) . '</definedName>';

$i++;

}

}

$workbook_xml.='</definedNames>';

$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++;

}

$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"/>';

}

$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;

}

//------------------------------------------------------------------

/*

public static function xlsCell($row_number, $column_number, $absolute=false)

{

$n = $column_number;

for($r = ""; $n >= 0; $n = intval($n / 26) - 1) {

$r = chr($n%26 + 0x41) . $r;

}

if ($absolute) {

return '$' . $r . '$' . ($row_number+1);

}

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");

error_log(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 = array('<', '>', '?', '"', ':', '|', '\\', '/', '*', '&');

$all_invalids = array_merge($nonprinting,$invalid_chars);

return str_replace($all_invalids, "", $filename);

}

//------------------------------------------------------------------

public static function sanitize_sheetname($sheetname)

{

static $badchars = '\\/?*:[]';

static $goodchars = ' ';

$sheetname = strtr($sheetname, $badchars, $goodchars);

$sheetname = function_exists('mb_substr') ? mb_substr($sheetname, 0, 31) : substr($sheetname, 0, 31);

$sheetname = trim(trim(trim($sheetname),"'"));//trim before and after trimming single quotes

return !empty($sheetname) ? $sheetname : 'Sheet'.((rand()%900)+100);

}

//------------------------------------------------------------------

public static function xmlspecialchars($val)

{

//note, badchars does not include \t\n\r (\x09\x0a\x0d)

static $badchars = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x0b\x0c\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f";

static $goodchars = " ";

return strtr(htmlspecialchars((string)$val, ENT_QUOTES | ENT_XML1 | ENT_SUBSTITUTE), $badchars, $goodchars);//strtr appears to be faster than str_replace

}

//------------------------------------------------------------------

public static function array_first_key(array $arr)

{

reset($arr);

$first_key = key($arr);

return $first_key;

}

//------------------------------------------------------------------

private static function determineNumberFormatType($num_format)

{

$num_format = preg_replace("/\[(Black|Blue|Cyan|Green|Magenta|Red|White|Yellow)\]/i", "", $num_format);

if ($num_format=='GENERAL') return 'n_auto';

if ($num_format=='@') return 'n_string';

if ($num_format=='0') return 'n_numeric';

if (preg_match('/[H]{1,2}:[M]{1,2}(?![^"]*+")/i', $num_format)) return 'n_datetime';

if (preg_match('/[M]{1,2}:[S]{1,2}(?![^"]*+")/i', $num_format)) return 'n_datetime';

if (preg_match('/[Y]{2,4}(?![^"]*+")/i', $num_format)) return 'n_date';

if (preg_match('/[D]{1,2}(?![^"]*+")/i', $num_format)) return 'n_date';

if (preg_match('/[M]{1,2}(?![^"]*+")/i', $num_format)) return 'n_date';

if (preg_match('/$(?![^"]*+")/', $num_format)) return 'n_numeric';

if (preg_match('/%(?![^"]*+")/', $num_format)) return 'n_numeric';

if (preg_match('/0(?![^"]*+")/', $num_format)) return 'n_numeric';

return 'n_auto';

}

//------------------------------------------------------------------

private static function numberFormatStandardized($num_format)

{

if ($num_format=='money') { $num_format='dollar'; }

if ($num_format=='number') { $num_format='integer'; }

if ($num_format=='string') $num_format='@';

else if ($num_format=='integer') $num_format='0';

else if ($num_format=='date') $num_format='YYYY-MM-DD';

else if ($num_format=='datetime') $num_format='YYYY-MM-DD HH:MM:SS';

else if ($num_format=='time') $num_format='HH:MM:SS';

else if ($num_format=='price') $num_format='#,##0.00';

else if ($num_format=='dollar') $num_format='[$$-1009]#,##0.00;[RED]-[$$-1009]#,##0.00';

else if ($num_format=='euro') $num_format='#,##0.00 [$€-407];[RED]-#,##0.00 [$€-407]';

$ignore_until='';

$escaped = '';

for($i=0,$ix=strlen($num_format); $i<$ix; $i++)

{

$c = $num_format[$i];

if ($ignore_until=='' && $c=='[')

$ignore_until=']';

else if ($ignore_until=='' && $c=='"')

$ignore_until='"';

else if ($ignore_until==$c)

$ignore_until='';

if ($ignore_until=='' && ($c==' ' || $c=='-' || $c=='(' || $c==')') && ($i==0 || $num_format[$i-1]!='_'))

$escaped.= "\\".$c;

else

$escaped.= $c;

}

return $escaped;

}

//------------------------------------------------------------------

public static function add_to_list_get_index(&$haystack, $needle)

{

$existing_idx = array_search($needle, $haystack, $strict=true);

if ($existing_idx===false)

{

$existing_idx = count($haystack);

$haystack[] = $needle;

}

return $existing_idx;

}

//------------------------------------------------------------------

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+):(\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