<?php /* * @license MIT License * */ class XLSXWriter { //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>&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_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>'; $workbook_xml.='<definedNames>'; foreach($this->sheets as $sheet_name=>$sheet) { if ($sheet->auto_filter) { $sheetname = self::sanitize_sheetname($sheet->sheetname); $workbook_xml.='<definedName name="_xlnm._FilterDatabase" localSheetId="0" hidden="1">\''.self::xmlspecialchars($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; } //------------------------------------------------------------------ /* * @param $row_number int, zero based * @param $column_number int, zero based * @param $absolute bool * @return Cell label/coordinates, ex: A1, C3, AA42 (or if $absolute==true: $A$1, $C$3, $AA$42) * */ public static function xlsCell($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 # 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!=0 || $month !=0 || $day!=0) { if($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: