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xlsxwriter.class.php
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xlsxwriter.class.php
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<?php
/*
* @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 ='Doc Author';
protected $sheets = array();
protected $shared_strings = array();//unique set
protected $shared_string_count = 0;//count of non-unique references to the unique set
protected $temp_files = array();
protected $current_sheet = '';
public function __construct()
{
if(!ini_get('date.timezone'))
{
//using date functions can kick out warning if this isn't set
date_default_timezone_set('UTC');
}
}
public function setAuthor($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)array(
'filename' => $sheet_filename,
'sheetname' => $sheet_name,
'xmlname' => $sheet_xmlname,
'row_count' => 0,
'file_writer' => new XLSXWriter_BuffererWriter($sheet_filename),
'cell_formats' => array(),
'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="false" 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, $format = 'xlsx', $delimiter = ';', $subheader = NULL) {
if (empty($sheet_name) || empty($header_types) || !empty($this->sheets[$sheet_name])) {
return;
}
if ($format == 'csv') {
if (!empty($subheader)) {
$return = '';
$return .= $this->writeCSVLine([' '], NULL, $delimiter);
$return .= $this->writeCSVLine([$subheader], NULL, $delimiter);
$return .= $this->writeCSVLine([' '], NULL, $delimiter);
$return .= $this->writeCSVLine($header_types, true, $delimiter);
return $return;
}
return $this->writeCSVLine($header_types, true, $delimiter);
}
if (!empty($subheader)) {
$this->writeSheetRow($sheet_name, [' '], $format, $delimiter);
$this->writeSheetRow($sheet_name, [$subheader], $format, $delimiter);
$this->writeSheetRow($sheet_name, [' '], $format, $delimiter);
$start = 3;
} else {
$start = 0;
}
self::initializeSheet($sheet_name);
$sheet = &$this->sheets[$sheet_name];
$sheet->cell_formats = array_values($header_types);
$header_row = array_keys($header_types);
$sheet->file_writer->write('<row collapsed="false" customFormat="false" customHeight="false" hidden="false" ht="12.1" outlineLevel="0" r="' . ($start + 1) . '">');
foreach ($header_row as $k => $v) {
$this->writeCell($sheet->file_writer, $start, $k, $v, 'blackheader');
}
$sheet->file_writer->write('</row>');
$sheet->row_count++;
$this->current_sheet = $sheet_name;
}
public function writeSheetRow($sheet_name, array $row, $format = 'xlsx', $delimiter = ';') {
if (empty($sheet_name) || empty($row)) {
return;
}
if ($format == 'csv') {
return $this->writeCSVLine($row, NULL, $delimiter);
}
self::initializeSheet($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 => $v) {
if (is_array($v)) {
$this->writeCell($sheet->file_writer, $sheet->row_count, $k, $v[0], $v[1]);
} else {
$this->writeCell($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(" ", $padding_length));
$sheet->file_writer->close();
$sheet->finalized=true;
}
public function writeCSV(array $data, array $header_types=array(), $delimiter = ';') {
$header_text = array_keys($header_types);
$output = '';
$output .= implode($delimiter, $header_text) . "\n";
$output .= implode("\n", array_map(function($array) use (&$delimiter) {
return implode($delimiter, $array);
}, $data));
return $output;
}
public function writeCSVLine(array $data, $type = null, $delimiter = ';') {
if (!empty($type)) {
$text = array_keys($data);
} else {
$text = $data;
}
$output = '';
$output .= implode($delimiter, $text) . "\n";
echo $output;
}
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, $cell_format)
{
static $styles = array(
'money' => 1,
'dollar' => 1,
'datetime' => 2,
'date' => 3,
'string' => 0,
'number.2' => 4,
'number.4' => 5,
'blackheader' => 6
);
$cell = self::xlsCell($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="'.$s.'"/>');
} elseif (preg_match('#^number\.[0-9]$#', $cell_format)) {
$file->write('<c r="'.$cell.'" s="'.$s.'" t="n"><v>'.$value.'</v></c>');
} 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="6">');
$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( '<numFmt formatCode="#,##0.00" numFmtId="168"/>');
$file->write( '<numFmt formatCode="0.0000" numFmtId="169"/>');
$file->write('</numFmts>');
$file->write('<fonts count="5">');
$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( '<font><name val="Arial"/><b val="true"/><charset val="1"/><family val="2"/><sz val="10"/></font>');
$file->write('</fonts>');
$file->write('<fills count="3">');
$file->write(' <fill><patternFill patternType="none"/></fill>');
$file->write(' <fill><patternFill patternType="gray125"/></fill>');
$file->write(' <fill><patternFill patternType="solid"><fgColor theme="0" tint="-0.249977111117893"/><bgColor rgb="FF003300"/></patternFill></fill>');
$file->write('</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="7">');
$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( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="168" xfId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="0" fontId="0" numFmtId="169" xfId="0"/>');
$file->write( '<xf applyAlignment="false" applyBorder="false" applyFont="false" applyProtection="false" borderId="0" fillId="2" fontId="4" numFmtId="164" 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 = array('<', '>', '?', '"', ':', '|', '\\', '/', '*', '&');
$all_invalids = array_merge($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;
$mdays = array( 31, ($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;
}
}
// vim: set filetype=php expandtab tabstop=4 shiftwidth=4 autoindent smartindent: