1.0.21

fix percentage with decimals

.gitignore

@@ -1 +1,4 @@
-vendor*
+vendor*
+/books.fw.png
+/datatypes.fw.png
+/styles.fw.png

CHANGELOG.md

@@ -0,0 +1,122 @@
+# Changelog
+
+## 1.0.21 (2021-09-03)
+
+*  Fixed saveAs / downloadAs / etc methods more than once
+
+## 1.0.20 (2021-07-29)
+
+* Fixed sheet names duplicates (Page, Page (1), Page (2)...) 
+
+## 1.0.19 (2021-07-28)
+
+* Fixed sheet names duplicates 
+
+## 1.0.18 (2021-07-28)
+
+* Fixed email regex
+
+## 1.0.17 (2021-07-28)
+
+* Fixed " and & in sheets names
+
+## 1.0.16 (2021-07-01)
+
+* Fixed "&" in hyperlinks
+
+## 1.0.15 (2021-06-22)
+
+* Fixed *mailto* hyperlinks detection
+
+## 1.0.14 (2021-06-08)
+
+* Added *mailto* hyperlinks support (thx Howard Martin)
+```php
+SimpleXLSXGen::fromArray([
+	['Mailto hyperlink', '<a href="mailto:sergey.shuchkin@gmail.com">Please email me</a>']
+])->saveAs('test.xlsx');
+```
+## 1.0.13 (2021-05-29)
+
+* Fixed hyperlinks in several sheets
+* Added [Opencollective donation link](https://opencollective.com/simplexlsx)
+
+## 1.0.12 (2021-05-19)
+
+* Fixed hyperlink regex
+
+## 1.0.11 (2021-05-14)
+
+* Fixed 0.00% format, thx [marcrobledo](https://github.com/shuchkin/simplexlsxgen/pull/34), more examples in README.md
+
+## 1.0.10 (2021-05-03)
+
+Stable release
+
+* Added hyperlinks and minimal formatting
+
+## 0.9.25 (2021-02-26)
+
+* Added PHP Datetime object values in a cells
+
+## 0.9.24 (2021-02-26)
+
+* Percent support
+
+
+## 0.9.23 (2021-01-25)
+
+* Fix local floats in XML
+
+
+## 0.9.22 (2020-11-04)
+
+* Added multiple sheets support, thx [Savino59](https://github.com/Savino59), class ready for extend now
+ 
+## 0.9.21 (2020-10-17)
+
+* Updated images
+
+## 0.9.20 (2020-10-04)
+
+* Disable type detection if string started with chr(0)
+
+## 0.9.19 (2020-08-23)
+
+* Numbers like SKU right aligned now
+
+## 0.9.18 (2020-08-22)
+
+* Fixed fast shared strings index
+ 
+## 0.9.17 (2020-08-21)
+
+* Fixed real numbers in 123.45 format detection, fast shared strings index (thx fredriksundin)
+ 
+## 0.9.16 (2020-07-29)
+
+* Fixed time detection in HH:MM:SS format
+
+## 0.9.15 (2020-07-14)
+
+* Escape of shared strings for special chars in cells [#1](https://github.com/shuchkin/simplexlsxgen/issues/1) 
+
+## 0.9.14 (2020-05-31)
+
+* Fixed num2name A-Z,AA-AZ column names, thx Ertan Yusufoglu
+
+## 0.9.13 (2020-05-21)
+
+* If string more 160 chars, save as inlineStr
+
+## 0.9.12 (2020-05-21)
+
+* Readme fixed
+
+## 0.9.11 (2020-05-21)
+
+* Removed XML unimportant attributes
+
+## 0.9.10 (2020-05-20)
+
+* Initial release

README.md

@@ -1,12 +1,12 @@
-# SimpleXLSXGen class 0.9.10 (Official)
-[<img src="https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fshieldsio-patreon.herokuapp.com%2Fshuchkin" />](https://www.patreon.com/shuchkin) [<img src="https://img.shields.io/github/license/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/blob/master/license.md) [<img src="https://img.shields.io/github/stars/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/stargazers) [<img src="https://img.shields.io/github/forks/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/network) [<img src="https://img.shields.io/github/issues/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/issues)
+# SimpleXLSXGen
+[<img src="https://img.shields.io/github/license/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/blob/master/license.md) [<img src="https://img.shields.io/github/stars/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/stargazers) [<img src="https://img.shields.io/github/forks/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/network) [<img src="https://img.shields.io/github/issues/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/issues)
 
 Export data to Excel XLSX file. PHP XLSX generator. No external tools and libraries.<br/>
 (!) XLSX reader [here](https://github.com/shuchkin/simplexlsx).  
 
-**Sergey Shuchkin** <sergey.shuchkin@gmail.com> 2020<br/>
+**Sergey Shuchkin** <sergey.shuchkin@gmail.com> 2020-2021<br/>
 
-*Hey, bro, please ★ the package for my motivation :)* 
+*Hey, bro, please ★ the package for my motivation :) and [donate](https://opencollective.com/simplexlsx) for more motivation!* 
 
 ## Basic Usage
 ```php
@@ -16,12 +16,9 @@ $books = [
     [908606664, 'Slinky Malinki', 'Lynley Dodd', 'Mallinson Rendel', 'NZ']
 ];
 $xlsx = SimpleXLSXGen::fromArray( $books );
-$xlsx->saveAs('books.xlsx');
+$xlsx->saveAs('books.xlsx'); // or downloadAs('books.xlsx') or $xlsx_content = (string) $xlsx 
 ```
 ![XLSX screenshot](books.png)
-```
-// SimpleXLSXGen::download() or SimpleXSLSXGen::downloadAs('table.xlsx');
-```
 
 ## Installation
 The recommended way to install this library is [through Composer](https://getcomposer.org).
@@ -39,14 +36,69 @@ or download class [here](https://github.com/shuchkin/simplexlsxgen/blob/master/s
 $data = [
     ['Integer', 123],
     ['Float', 12.35],
-    ['Procent', '12%'],
-    ['Date','2020-05-20'],
+    ['Percent', '12%'],
     ['Datetime', '2020-05-20 02:38:00'],
-    ['String', 'See SimpleXLSXGen column autosize feature']
+    ['Date','2020-05-20'],
+    ['Time','02:38:00'],
+    ['Datetime PHP', new DateTime('2021-02-06 21:07:00')],
+    ['String', 'Long UTF-8 String in autoresized column'],
+    ['Hyperlink', 'https://github.com/shuchkin/simplexlsxgen'],
+    ['Hyperlink + Anchor', '<a href="https://github.com/shuchkin/simplexlsxgen">SimpleXLSXGen</a>'],
+    ['RAW string', "\0".'2020-10-04 16:02:00']
 ];
 SimpleXLSXGen::fromArray( $data )->saveAs('datatypes.xlsx');
 ```
 ![XLSX screenshot](datatypes.png)
 
-## History
-v0.9.10 (2020-05-20) initial relese
+### Formatting
+```php
+$data = [
+    ['Normal', '12345.67'],
+    ['Bold', '<b>12345.67</b>'],
+    ['Italic', '<i>12345.67</i>'],
+    ['Underline', '<u>12345.67</u>'],
+    ['Strike', '<s>12345.67</s>'],
+    ['Bold + Italic', '<b><i>12345.67</i></b>'],
+    ['Hyperlink', 'https://github.com/shuchkin/simplexlsxgen'],
+    ['Italic + Hyperlink + Anchor', '<i><a href="https://github.com/shuchkin/simplexlsxgen">SimpleXLSXGen</a></i>'],
+    ['Left', '<left>12345.67</left>'],
+    ['Center', '<center>12345.67</center>'],
+    ['Right', '<right>Right Text</right>'],
+    ['Center + Bold', '<center><b>Name</b></center>']
+];
+SimpleXLSXGen::fromArray( $data )
+    ->setDefaultFont( 'Courier New' )
+    ->setDefaultFontSize( 14 )
+    ->saveAs('styles_and_tags.xlsx');
+```
+![XLSX screenshot](styles.png)
+
+### More examples
+```php
+// Fluid interface, output to browser for download
+SimpleXLSXGen::fromArray( $books )->downloadAs('table.xlsx');
+
+// Fluid interface, multiple sheets
+SimpleXLSXGen::fromArray( $books )->addSheet( $books2 )->download();
+
+// Alternative interface, sheet name, get xlsx content
+$xlsx_cache = (string) (new SimpleXLSXGen)->addSheet( $books, 'Modern style');
+
+// Classic interface
+$xlsx = new SimpleXLSXGen();
+$xlsx->addSheet( $books, 'Catalog 2021' );
+$xlsx->addSheet( $books2, 'Stephen King catalog');
+$xlsx->downloadAs('books_2021.xlsx');
+exit();
+```
+
+## Debug
+```php
+ini_set('error_reporting', E_ALL );
+ini_set('display_errors', 1 );
+
+$data = [
+    ['Debug', 123]
+]
+SimpleXLSXGen::fromArray( $data )->saveAs('debug.xlsx');
+```

src/SimpleXLSXGen.php

@@ -7,23 +7,46 @@
 
 class SimpleXLSXGen {
 
-	public $rows;
-	public $template;
+	public $curSheet;
+	protected $defaultFont;
+	protected $defaultFontSize;
+	protected $sheets;
+	protected $template;
+	protected $F, $F_KEYS; // fonts
+	protected $XF, $XF_KEYS; // cellXfs
+	protected $SI, $SI_KEYS; // shared strings
+	const N_NORMAL = 0; // General
+	const N_INT = 1; // 0
+	const N_DEC = 2; // 0.00
+	const N_PERCENT_INT = 9; // 0%
+	const N_PRECENT_DEC = 10; // 0.00%
+	const N_DATE = 14; // mm-dd-yy
+	const N_TIME = 20; // h:mm
+	const N_DATETIME = 22; // m/d/yy h:mm
+	const F_NORMAL = 0;
+	const F_HYPERLINK = 1;
+	const F_BOLD = 2;
+	const F_ITALIC = 4;
+	const F_UNDERLINE = 8;
+	const F_STRIKE = 16;
+	const A_DEFAULT = 0;
+	const A_LEFT = 1;
+	const A_RIGHT = 2;
+	const A_CENTER = 3;
+
+
 	public function __construct() {
-		$this->rows = [];
+		$this->curSheet = -1;
+		$this->defaultFont = 'Calibri';
+		$this->sheets = [ ['name' => 'Sheet1', 'rows' => [], 'hyperlinks' => [] ] ];
+		$this->SI = [];		// sharedStrings index
+		$this->SI_KEYS = []; //  & keys
+		$this->F = [ self::F_NORMAL ]; // fonts
+		$this->F_KEYS = [0]; // & keys
+		$this->XF  = [ [self::N_NORMAL, self::F_NORMAL, self::A_DEFAULT] ]; // styles
+		$this->XF_KEYS = ['N0F0A0' => 0 ]; // & keys
+
 		$this->template = [
-			'[Content_Types].xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">
-<Override PartName="/_rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
-<Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/>
-<Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/>
-<Override PartName="/xl/_rels/workbook.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
-<Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>
-<Override PartName="/xl/sharedStrings.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"/>
-<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml"/>
-<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/>
-</Types>',
-/* <Override PartName="/xl/theme/theme1.xml" ContentType="application/vnd.openxmlformats-officedocument.theme+xml"/> */
 			'_rels/.rels' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
 <Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>
@@ -44,62 +67,90 @@ class SimpleXLSXGen {
 			'xl/_rels/workbook.xml.rels' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
 <Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/>
-<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/>
-<Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings" Target="sharedStrings.xml"/></Relationships>',
+{SHEETS}',
 			'xl/worksheets/sheet1.xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"><dimension ref="{REF}"/><cols>{COLS}</cols><sheetData>{ROWS}</sheetData></worksheet>',
+<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"
+	xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"
+><dimension ref="{REF}"/>{COLS}<sheetData>{ROWS}</sheetData>{HYPERLINKS}</worksheet>',
+			'xl/worksheets/_rels/sheet1.xml.rels' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">{HYPERLINKS}</Relationships>',
 			'xl/sharedStrings.xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <sst xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" count="{CNT}" uniqueCount="{CNT}">{STRINGS}</sst>',
 			'xl/styles.xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main">
-<fonts count="1"><font><name val="Calibri"/><family val="2"/></font></fonts>
+{FONTS}
 <fills count="1"><fill><patternFill patternType="none"/></fill></fills>
-<borders count="1"><border diagonalUp="false" diagonalDown="false"><left/><right/><top/><bottom/><diagonal/></border></borders>
+<borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders>
 <cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" /></cellStyleXfs>
-<cellXfs count="6">
-	<xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/>
-	<xf numFmtId="9" fontId="0" fillId="0" borderId="0" xfId="0"/>	
-	<xf numFmtId="10" fontId="0" fillId="0" borderId="0" xfId="0"/>
-	<xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0"/>
-	<xf numFmtId="20" fontId="0" fillId="0" borderId="0" xfId="0"/>
-	<xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0"/>
-</cellXfs>
-<cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles>
+{XF}
+<cellStyles count="1">
+	<cellStyle name="Normal" xfId="0" builtinId="0"/>
+</cellStyles>
 </styleSheet>',
 			'xl/workbook.xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">
-<fileVersion appName="'.__CLASS__.'"/>
-<workbookPr backupFile="false" showObjects="all" date1904="false"/>
-<bookViews>
-<workbookView showHorizontalScroll="true" showVerticalScroll="true" showSheetTabs="true" xWindow="0" yWindow="0" windowWidth="16384" windowHeight="8192" tabRatio="205" firstSheet="0" activeTab="0"/>
-</bookViews>
-<sheets><sheet name="Sheet1" sheetId="1" state="visible" r:id="rId2"/></sheets>
-<calcPr iterateCount="100" refMode="A1" iterate="false" iterateDelta="0.001"/>
-</workbook>'
+<fileVersion appName="'.__CLASS__.'"/><sheets>
+{SHEETS}
+</sheets></workbook>',
+			'[Content_Types].xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">
+<Override PartName="/rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
+<Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/>
+<Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/>
+<Override PartName="/xl/_rels/workbook.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
+<Override PartName="/xl/sharedStrings.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"/>
+<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml"/>
+<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/>
+{TYPES}
+</Types>',
 		];
+
 		// <col min="1" max="1" width="22.1796875" bestFit="1" customWidth="1"/>
 		// <row r="1" spans="1:2" x14ac:dyDescent="0.35"><c r="A1" t="s"><v>0</v></c><c r="B1"><v>100</v></c></row><row r="2" spans="1:2" x14ac:dyDescent="0.35"><c r="A2" t="s"><v>1</v></c><c r="B2"><v>200</v></c></row>
 		// <si><t>Простой шаблон</t></si><si><t>Будем делать генератор</t></si>
 	}
-	public static function fromArray( array $rows ) {
-		$xlsx = new self();
-		$xlsx->setRows( $rows );
-		return $xlsx;
+	public static function fromArray( array $rows, $sheetName = null ) {
+		$xlsx = new static();
+		return $xlsx->addSheet( $rows, $sheetName );
 	}
-	public function setRows( $rows ) {
-		if ( is_array( $rows ) && isset( $rows[0] ) && is_array($rows[0]) ) {
-			$this->rows = $rows;
+
+	public function addSheet( array $rows, $name = null ) {
+
+		$this->curSheet++;
+		if ( $name === null ) { // autogenerated sheet names
+			$name = 'Sheet'.($this->curSheet+1);
 		} else {
-			$this->rows = [];
+			$names = [];
+			foreach( $this->sheets as $sh ) {
+				$names[ strtoupper( $sh['name']) ] = 1;
+			}
+			for( $i = 0; $i < 100; $i++ ) {
+				$new_name = ($i === 0) ? $name : $name .' ('.$i.')';
+				$NEW_NAME = strtoupper( $new_name );
+				if ( !isset( $names[ $NEW_NAME ]) ) {
+					$name = $new_name;
+					break;
+				}
+			}
 		}
+
+		$this->sheets[$this->curSheet] = ['name' => $name, 'hyperlinks' => []];
+
+		if ( is_array( $rows ) && isset( $rows[0] ) && is_array($rows[0]) ) {
+			$this->sheets[$this->curSheet]['rows'] = $rows;
+		} else {
+			$this->sheets[$this->curSheet]['rows'] = [];
+		}
+		return $this;
 	}
+
 	public function __toString() {
 		$fh = fopen( 'php://memory', 'wb' );
 		if ( ! $fh ) {
 			return '';
 		}
 
-		if ( ! $this->_generate( $fh ) ) {
+		if ( ! $this->_write( $fh ) ) {
 			fclose( $fh );
 			return '';
 		}
@@ -108,12 +159,13 @@ class SimpleXLSXGen {
 
 		return (string) fread( $fh, $size );
 	}
+
 	public function saveAs( $filename ) {
 		$fh = fopen( $filename, 'wb' );
 		if (!$fh) {
 			return false;
 		}
-		if ( !$this->_generate($fh) ) {
+		if ( !$this->_write($fh) ) {
 			fclose($fh);
 			return false;
 		}
@@ -121,16 +173,18 @@ class SimpleXLSXGen {
 
 		return true;
 	}
+
 	public function download() {
-		return $this->downloadAs( gmdate('YmdHi.xlsx') );
+		return $this->downloadAs( gmdate('YmdHi') . '.xlsx' );
 	}
+
 	public function downloadAs( $filename ) {
 		$fh = fopen('php://memory','wb');
 		if (!$fh) {
 			return false;
 		}
 
-		if ( !$this->_generate( $fh )) {
+		if ( !$this->_write( $fh )) {
 			fclose( $fh );
 			return false;
 		}
@@ -152,185 +206,119 @@ class SimpleXLSXGen {
 		return true;
 	}
 
-	private function _generate( $fh ) {
+	protected function _write( $fh ) {
+
 
-		$zipSignature = "\x50\x4b\x03\x04"; // local file header signature
-		$dirSignature = "\x50\x4b\x01\x02"; // central dir header signature
 		$dirSignatureE= "\x50\x4b\x05\x06"; // end of central dir signature
-
 		$zipComments = 'Generated by '.__CLASS__.' PHP class, thanks sergey.shuchkin@gmail.com';
 
-//		$fh = fopen( $filename, 'wb' );
-
 		if (!$fh) {
 			return false;
 		}
 
-		$SI = [];
-		$COLS = [];
-		$ROWS = [];
-		if ( count($this->rows)  ) {
-			$CUR_ROW = 0;
-			$COL = [];
-			foreach( $this->rows as $r ) {
-				$CUR_ROW++;
-				$row = '<row r="'.$CUR_ROW.'">';
-				$CUR_COL = 0;
-				foreach( $r as $k => $v ) {
-					$CUR_COL++;
-					if ( !isset($COL[ $CUR_COL ])) {
-						$COL[ $CUR_COL ] = 0;
-					}
-					if ( $v === null || $v === '' ) {
-						continue;
-					}
-					$COL[ $CUR_COL ] = max( mb_strlen( (string) $v ), $COL[ $CUR_COL ] );
+		$cdrec = '';	// central directory content
+		$entries= 0;	// number of zipped files
+		$cnt_sheets = count( $this->sheets );
 
-					$cname = $this->_num2name($CUR_COL).$CUR_ROW;
-
-					$ct = $cs = null;
-
-					if ( is_string($v) ) {
-
-						if ( preg_match( '/^[-+]?\d{1,18}$/', $v ) ) {
-							$cv = ltrim($v,'+');
-						} elseif ( preg_match('/^[-+]?\d+\.?\d*$/', $v ) ) {
-							$cv = ltrim($v,'+');
-						} elseif ( preg_match('/^([-+]?\d+)%$/', $v, $m) ) {
-							$cv = round( $m[1] / 100, 2);
-							$cs = 1; // [9] 0%
-						} elseif ( preg_match('/^([-+]\d+\.\d*)%$/', $v, $m) ) {
-							$cv = round( $m[1] / 100, 4 );
-							$cs = 2; // [10] 0.00%
-						} elseif ( preg_match('/^(\d\d\d\d)-(\d\d)-(\d\d)$/', $v, $m ) ){
-							$cv = $this->_date2excel($m[1],$m[2],$m[3]);
-							$cs = 3; // [14] mm-dd-yy
-						} elseif ( preg_match('/^(\d\d):(\d\d):(\d\d)$/', $v, $m ) ){
-							$cv = $this->_date2excel(0,0,0,$m[1],$m[2],$m[3]);
-							$cs = 4; // [14] mm-dd-yy
-						} elseif ( preg_match('/^(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$/', $v, $m ) ){
-							$cv = $this->_date2excel($m[1],$m[2],$m[3],$m[4],$m[5],$m[6]);
-							$cs = 5; // [22] m/d/yy h:mm
-						} else {
-							$ct = 's'; // shared string
-							$v = htmlentities($v, ENT_QUOTES);
-							$cv             = array_search( $v, $SI, true );
-							if ( $cv === false ) {
-								$SI[] = $v;
-								$cv  = count( $SI ) - 1;
-							}
-						}
-					} elseif ( is_int( $v ) || is_float( $v ) ) {
-						$cv = $v;
-					} else {
-						continue;
-					}
-
-					$row .= '<c r="' . $cname . '"'.($ct ? ' t="'.$ct.'"' : '').($cs ? ' s="'.$cs.'"' : '').'><v>' . $cv . "</v></c>\r\n";
+		foreach ($this->template as $cfilename => $template ) {
+			if ( $cfilename === 'xl/_rels/workbook.xml.rels' ) {
+				$s = '';
+				for ( $i = 0; $i < $cnt_sheets; $i++) {
+					$s .= '<Relationship Id="rId'.($i+2).'" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet"'.
+						 ' Target="worksheets/sheet'.($i+1).".xml\"/>\n";
 				}
-				$ROWS[] = $row . "</row>\r\n";
+				$s .= '<Relationship Id="rId'.($i+2).'" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings" Target="sharedStrings.xml"/></Relationships>';
+				$template = str_replace('{SHEETS}', $s, $template);
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
+			} elseif ( $cfilename === 'xl/workbook.xml' ) {
+				$s = '';
+				foreach ( $this->sheets as $k => $v ) {
+					$s .= '<sheet name="' . $this->esc( $v['name'] ) . '" sheetId="' . ( $k + 1) . '" state="visible" r:id="rId' . ( $k + 2) . '"/>';
+				}
+				$template = str_replace('{SHEETS}', $s, $template);
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
 			}
-			foreach ( $COL as $k => $max ) {
-				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max, 60).'" bestFit="1" customWidth="1" />';
-			}
-			$REF = 'A1:'.$this->_num2name(count($COLS)).$CUR_ROW;
-		} else {
-//			$COLS[] = '<col min="1" max="7" width="7.18" bestFit="1" customWidth="1" />';
-			$COLS[] = '<col min="1" max="7" bestFit="1" />';
-			$ROWS[] = '<row r="1"><c r="A1" t="s"><v>0</v></c></row>';
-			$REF = 'A1:A1';
-			$SI[] = 'No Data';
-		}
-		$SI_CNT = count($SI);
-		$SI = '<si><t>'.implode("</t></si>\r\n<si><t>", $SI).'</t></si>';
-
-		$cdrec = '';
-
-		foreach ($this->template as $cfilename => $data ) {
-
-			if ( $cfilename === 'docProps/core.xml' ) {
-				$data = str_replace('{DATE}', gmdate('Y-m-d\TH:i:s\Z'), $data);
+			elseif ( $cfilename === 'docProps/core.xml' ) {
+				$template = str_replace('{DATE}', gmdate('Y-m-d\TH:i:s\Z'), $template);
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
 			} elseif ( $cfilename === 'xl/sharedStrings.xml' ) {
-				$data = str_replace(['{CNT}', '{STRINGS}'], [ $SI_CNT, $SI ], $data );
+				if (!count($this->SI)) {
+					$this->SI[] = 'No Data';
+				}
+				$si_cnt = count($this->SI);
+				$si = '<si><t>'.implode("</t></si>\r\n<si><t>", $this->SI).'</t></si>';
+				$template = str_replace(['{CNT}', '{STRINGS}'], [ $si_cnt, $si ], $template );
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
 			} elseif ( $cfilename === 'xl/worksheets/sheet1.xml' ) {
-				$data = str_replace(['{REF}','{COLS}','{ROWS}'],[ $REF, implode("\r\n", $COLS), implode("\r\n",$ROWS) ], $data );
+				foreach ( $this->sheets as $k => $v ) {
+					$filename = 'xl/worksheets/sheet'.($k+1).'.xml';
+					$xml = $this->_sheetToXML($k, $template);
+					$this->_writeEntry($fh, $cdrec, $filename, $xml );
+					$entries++;
+				}
+				$xml = null;
+			} elseif ( $cfilename === 'xl/worksheets/_rels/sheet1.xml.rels' ) {
+				foreach ( $this->sheets as $k => $v ) {
+					if ( count($v['hyperlinks'])) {
+						$RH = [];
+						$filename = 'xl/worksheets/_rels/sheet' . ( $k + 1 ) . '.xml.rels';
+						foreach ( $v['hyperlinks'] as $h ) {
+							$RH[] = '<Relationship Id="' . $h['ID'] . '" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink" Target="' . $this->esc($h['H']) . '" TargetMode="External"/>';
+						}
+						$xml = str_replace( '{HYPERLINKS}', implode( "\r\n", $RH ), $template );
+						$this->_writeEntry( $fh, $cdrec, $filename, $xml );
+						$entries++;
+					}
+				}
+				$xml = null;
+
+			} elseif ( $cfilename === '[Content_Types].xml' ) {
+				$TYPES = ['<Override PartName="/_rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>'];
+				foreach ( $this->sheets as $k => $v) {
+					$TYPES[] = '<Override PartName="/xl/worksheets/sheet'.($k+1).
+							'.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>';
+					if (count( $v['hyperlinks'])) {
+						$TYPES[] = '<Override PartName="/xl/worksheets/_rels/sheet'.($k+1).'.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>';
+					}
+				}
+				$template = str_replace('{TYPES}', implode("\r\n", $TYPES), $template);
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
+			} elseif ( $cfilename === 'xl/styles.xml' ) {
+				$FONTS = ['<fonts count="'.count($this->F).'">'];
+				foreach ( $this->F as $f ) {
+					$FONTS[] = '<font><name val="'.$this->defaultFont.'"/><family val="2"/>'
+						. ( $this->defaultFontSize ? '<sz val="'.$this->defaultFontSize.'"/>' : '' )
+						.( $f & self::F_BOLD ? '<b/>' : '')
+						.( $f & self::F_ITALIC ? '<i/>' : '')
+						.( $f & self::F_UNDERLINE ? '<u/>' : '')
+						.( $f & self::F_STRIKE ? '<strike/>' : '')
+						.( $f & self::F_HYPERLINK ? '<color rgb="FF0563C1"/><u/>' : '')
+						.'</font>';
+				}
+				$FONTS[] = '</fonts>';
+				$XF = ['<cellXfs count="'.count($this->XF).'">'];
+				foreach( $this->XF as $xf ) {
+					$align = ($xf[2] === self::A_LEFT ? ' applyAlignment="1"><alignment horizontal="left"/>' : '')
+						.($xf[2] === self::A_RIGHT ? ' applyAlignment="1"><alignment horizontal="right"/>' : '')
+						.($xf[2] === self::A_CENTER ? ' applyAlignment="1"><alignment horizontal="center"/>' : '');
+					$XF[] = '<xf numFmtId="'.$xf[0].'" fontId="'.$xf[1].'" fillId="0" borderId="0" xfId="0"'
+						.($xf[0] > 0 ? ' applyNumberFormat="1"' : '')
+						.($align ? $align . '</xf>' : '/>');
+
+				}
+				$XF[] = '</cellXfs>';
+				$template = str_replace(['{FONTS}','{XF}'], [implode("\r\n", $FONTS), implode("\r\n", $XF)], $template);
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
+			} else {
+				$this->_writeEntry($fh, $cdrec, $cfilename, $template);
+				$entries++;
 			}
-
-			$e = [];
-			$e['uncsize'] = mb_strlen($data, '8bit');
-
-			// if data to compress is too small, just store it
-			if($e['uncsize'] < 256){
-				$e['comsize'] = $e['uncsize'];
-				$e['vneeded'] = 10;
-				$e['cmethod'] = 0;
-				$zdata = $data;
-			} else{ // otherwise, compress it
-				$zdata = gzcompress($data);
-				$zdata = substr(substr($zdata, 0, - 4 ), 2); // fix crc bug (thanks to Eric Mueller)
-				$e['comsize'] = mb_strlen($zdata, '8bit');
-				$e['vneeded'] = 10;
-				$e['cmethod'] = 8;
-			}
-
-			$e['bitflag'] = 0;
-			$e['crc_32']  = crc32($data);
-
-			// Convert date and time to DOS Format, and set then
-			$lastmod_timeS  = str_pad(decbin(date('s')>=32?date('s')-32:date('s')), 5, '0', STR_PAD_LEFT);
-			$lastmod_timeM  = str_pad(decbin(date('i')), 6, '0', STR_PAD_LEFT);
-			$lastmod_timeH  = str_pad(decbin(date('H')), 5, '0', STR_PAD_LEFT);
-			$lastmod_dateD  = str_pad(decbin(date('d')), 5, '0', STR_PAD_LEFT);
-			$lastmod_dateM  = str_pad(decbin(date('m')), 4, '0', STR_PAD_LEFT);
-			$lastmod_dateY  = str_pad(decbin(date('Y')-1980), 7, '0', STR_PAD_LEFT);
-
-			# echo "ModTime: $lastmod_timeS-$lastmod_timeM-$lastmod_timeH (".date("s H H").")\n";
-			# echo "ModDate: $lastmod_dateD-$lastmod_dateM-$lastmod_dateY (".date("d m Y").")\n";
-			$e['modtime'] = bindec("$lastmod_timeH$lastmod_timeM$lastmod_timeS");
-			$e['moddate'] = bindec("$lastmod_dateY$lastmod_dateM$lastmod_dateD");
-
-			$e['offset'] = ftell($fh);
-
-			/** @noinspection DisconnectedForeachInstructionInspection */
-			fwrite($fh, $zipSignature);
-			fwrite($fh, pack('s', $e['vneeded'])); // version_needed
-			fwrite($fh, pack('s', $e['bitflag'])); // general_bit_flag
-			fwrite($fh, pack('s', $e['cmethod'])); // compression_method
-			fwrite($fh, pack('s', $e['modtime'])); // lastmod_time
-			fwrite($fh, pack('s', $e['moddate'])); // lastmod_date
-			fwrite($fh, pack('V', $e['crc_32']));  // crc-32
-			fwrite($fh, pack('I', $e['comsize'])); // compressed_size
-			fwrite($fh, pack('I', $e['uncsize'])); // uncompressed_size
-			fwrite($fh, pack('s', mb_strlen($cfilename, '8bit')));   // file_name_length
-			/** @noinspection DisconnectedForeachInstructionInspection */
-			fwrite($fh, pack('s', 0));  // extra_field_length
-			fwrite($fh, $cfilename);    // file_name
-			// ignoring extra_field
-			fwrite($fh, $zdata);
-
-			// Append it to central dir
-			$e['external_attributes']  = (substr($cfilename, -1) === '/'&&!$zdata)?16:32; // Directory or file name
-			$e['comments']             = '';
-
-			$cdrec .= $dirSignature;
-			$cdrec .= "\x0\x0";                  // version made by
-			$cdrec .= pack('v', $e['vneeded']); // version needed to extract
-			$cdrec .= "\x0\x0";                  // general bit flag
-			$cdrec .= pack('v', $e['cmethod']); // compression method
-			$cdrec .= pack('v', $e['modtime']); // lastmod time
-			$cdrec .= pack('v', $e['moddate']); // lastmod date
-			$cdrec .= pack('V', $e['crc_32']);  // crc32
-			$cdrec .= pack('V', $e['comsize']); // compressed filesize
-			$cdrec .= pack('V', $e['uncsize']); // uncompressed filesize
-			$cdrec .= pack('v', mb_strlen($cfilename,'8bit')); // file name length
-			$cdrec .= pack('v', 0);                // extra field length
-			$cdrec .= pack('v', mb_strlen($e['comments'],'8bit')); // file comment length
-			$cdrec .= pack('v', 0); // disk number start
-			$cdrec .= pack('v', 0); // internal file attributes
-			$cdrec .= pack('V', $e['external_attributes']); // internal file attributes
-			$cdrec .= pack('V', $e['offset']); // relative offset of local header
-			$cdrec .= $cfilename;
-			$cdrec .= $e['comments'];
 		}
 		$before_cd = ftell($fh);
 		fwrite($fh, $cdrec);
@@ -339,8 +327,8 @@ class SimpleXLSXGen {
 		fwrite($fh, $dirSignatureE);
 		fwrite($fh, pack('v', 0)); // number of this disk
 		fwrite($fh, pack('v', 0)); // number of the disk with the start of the central directory
-		fwrite($fh, pack('v', count( $this->template ))); // total # of entries "on this disk"
-		fwrite($fh, pack('v', count( $this->template ))); // total # of entries overall
+		fwrite($fh, pack('v', $entries)); // total # of entries "on this disk"
+		fwrite($fh, pack('v', $entries)); // total # of entries overall
 		fwrite($fh, pack('V', mb_strlen($cdrec,'8bit')));     // size of central dir
 		fwrite($fh, pack('V', $before_cd));         // offset to start of central dir
 		fwrite($fh, pack('v', mb_strlen($zipComments,'8bit'))); // .zip file comment length
@@ -348,17 +336,301 @@ class SimpleXLSXGen {
 
 		return true;
 	}
-	private function _num2name($num) {
-		$numeric = ($num-1) % 26;
+
+	protected function _writeEntry($fh, &$cdrec, $cfilename, $data) {
+		$zipSignature = "\x50\x4b\x03\x04"; // local file header signature
+		$dirSignature = "\x50\x4b\x01\x02"; // central dir header signature
+
+		$e = [];
+		$e['uncsize'] = mb_strlen($data, '8bit');
+
+		// if data to compress is too small, just store it
+		if($e['uncsize'] < 256){
+			$e['comsize'] = $e['uncsize'];
+			$e['vneeded'] = 10;
+			$e['cmethod'] = 0;
+			$zdata = $data;
+		} else{ // otherwise, compress it
+			$zdata = gzcompress($data);
+			$zdata = substr(substr($zdata, 0, - 4 ), 2); // fix crc bug (thanks to Eric Mueller)
+			$e['comsize'] = mb_strlen($zdata, '8bit');
+			$e['vneeded'] = 10;
+			$e['cmethod'] = 8;
+		}
+
+		$e['bitflag'] = 0;
+		$e['crc_32']  = crc32($data);
+
+		// Convert date and time to DOS Format, and set then
+		$lastmod_timeS  = str_pad(decbin(date('s')>=32?date('s')-32:date('s')), 5, '0', STR_PAD_LEFT);
+		$lastmod_timeM  = str_pad(decbin(date('i')), 6, '0', STR_PAD_LEFT);
+		$lastmod_timeH  = str_pad(decbin(date('H')), 5, '0', STR_PAD_LEFT);
+		$lastmod_dateD  = str_pad(decbin(date('d')), 5, '0', STR_PAD_LEFT);
+		$lastmod_dateM  = str_pad(decbin(date('m')), 4, '0', STR_PAD_LEFT);
+		$lastmod_dateY  = str_pad(decbin(date('Y')-1980), 7, '0', STR_PAD_LEFT);
+
+		# echo "ModTime: $lastmod_timeS-$lastmod_timeM-$lastmod_timeH (".date("s H H").")\n";
+		# echo "ModDate: $lastmod_dateD-$lastmod_dateM-$lastmod_dateY (".date("d m Y").")\n";
+		$e['modtime'] = bindec("$lastmod_timeH$lastmod_timeM$lastmod_timeS");
+		$e['moddate'] = bindec("$lastmod_dateY$lastmod_dateM$lastmod_dateD");
+
+		$e['offset'] = ftell($fh);
+
+		fwrite($fh, $zipSignature);
+		fwrite($fh, pack('s', $e['vneeded'])); // version_needed
+		fwrite($fh, pack('s', $e['bitflag'])); // general_bit_flag
+		fwrite($fh, pack('s', $e['cmethod'])); // compression_method
+		fwrite($fh, pack('s', $e['modtime'])); // lastmod_time
+		fwrite($fh, pack('s', $e['moddate'])); // lastmod_date
+		fwrite($fh, pack('V', $e['crc_32']));  // crc-32
+		fwrite($fh, pack('I', $e['comsize'])); // compressed_size
+		fwrite($fh, pack('I', $e['uncsize'])); // uncompressed_size
+		fwrite($fh, pack('s', mb_strlen($cfilename, '8bit')));   // file_name_length
+		fwrite($fh, pack('s', 0));  // extra_field_length
+		fwrite($fh, $cfilename);    // file_name
+		// ignoring extra_field
+		fwrite($fh, $zdata);
+
+		// Append it to central dir
+		$e['external_attributes']  = (substr($cfilename, -1) === '/'&&!$zdata)?16:32; // Directory or file name
+		$e['comments']             = '';
+
+		$cdrec .= $dirSignature;
+		$cdrec .= "\x0\x0";                  // version made by
+		$cdrec .= pack('v', $e['vneeded']); // version needed to extract
+		$cdrec .= "\x0\x0";                  // general bit flag
+		$cdrec .= pack('v', $e['cmethod']); // compression method
+		$cdrec .= pack('v', $e['modtime']); // lastmod time
+		$cdrec .= pack('v', $e['moddate']); // lastmod date
+		$cdrec .= pack('V', $e['crc_32']);  // crc32
+		$cdrec .= pack('V', $e['comsize']); // compressed filesize
+		$cdrec .= pack('V', $e['uncsize']); // uncompressed filesize
+		$cdrec .= pack('v', mb_strlen($cfilename,'8bit')); // file name length
+		$cdrec .= pack('v', 0);                // extra field length
+		$cdrec .= pack('v', mb_strlen($e['comments'],'8bit')); // file comment length
+		$cdrec .= pack('v', 0); // disk number start
+		$cdrec .= pack('v', 0); // internal file attributes
+		$cdrec .= pack('V', $e['external_attributes']); // internal file attributes
+		$cdrec .= pack('V', $e['offset']); // relative offset of local header
+		$cdrec .= $cfilename;
+		$cdrec .= $e['comments'];
+	}
+
+	protected function _sheetToXML($idx, $template) {
+		// locale floats fr_FR 1.234,56 -> 1234.56
+		$_loc = setlocale(LC_NUMERIC, 0);
+		setlocale(LC_NUMERIC,'C');
+		$COLS = [];
+		$ROWS = [];
+		if ( count($this->sheets[$idx]['rows']) ) {
+			$COLS[] = '<cols>';
+			$CUR_ROW = 0;
+			$COL = [];
+			foreach( $this->sheets[$idx]['rows'] as $r ) {
+				$CUR_ROW++;
+				$row = '<row r="'.$CUR_ROW.'">';
+				$CUR_COL = 0;
+				foreach( $r as $v ) {
+					$CUR_COL++;
+					if ( !isset($COL[ $CUR_COL ])) {
+						$COL[ $CUR_COL ] = 0;
+					}
+					if ( $v === null || $v === '' ) {
+						continue;
+					}
+
+					$cname = $this->num2name($CUR_COL) . $CUR_ROW;
+
+					$ct = $cv = null;
+					$N = $F = $A = 0;
+
+					if ( is_string($v) ) {
+
+						if ( $v[0] === "\0" ) { // RAW value as string
+							$v = substr($v,1);
+							$vl = mb_strlen( $v );
+						} else {
+							if ( strpos( $v, '<' ) !== false ) { // tags?
+								if ( strpos( $v, '<b>' ) !== false ) {
+									$F += self::F_BOLD;
+								}
+								if ( strpos( $v, '<i>' ) !== false ) {
+									$F += self::F_ITALIC;
+								}
+								if ( strpos( $v, '<u>' ) !== false ) {
+									$F += self::F_UNDERLINE;
+								}
+								if ( strpos( $v, '<s>' ) !== false ) {
+									$F += self::F_STRIKE;
+								}
+								if ( strpos( $v, '<left>' ) !== false ) {
+									$A += self::A_LEFT;
+								}
+								if ( strpos( $v, '<center>' ) !== false ) {
+									$A += self::A_CENTER;
+								}
+								if ( strpos( $v, '<right>' ) !== false ) {
+									$A += self::A_RIGHT;
+								}
+								if ( preg_match( '/<a href="(https?:\/\/[^"]+)">(.*?)<\/a>/i', $v, $m ) ) {
+									$h = explode( '#', $m[1] );
+									$this->sheets[ $idx ]['hyperlinks'][] = ['ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ), 'R' => $cname, 'H' => $h[0], 'L' => isset( $h[1] ) ? $h[1] : ''];
+									$F = self::F_HYPERLINK; // Hyperlink
+								}
+								if ( preg_match( '/<a href="(mailto?:[^"]+)">(.*?)<\/a>/i', $v, $m ) ) {
+									$this->sheets[ $idx ]['hyperlinks'][] = ['ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ), 'R' => $cname, 'H' => $m[1], 'L' => ''];
+									$F = self::F_HYPERLINK; // mailto hyperlink
+								}
+								$v = strip_tags( $v );
+							} // tags
+							$vl = mb_strlen( $v );
+							if ( $v === '0' || preg_match( '/^[-+]?[1-9]\d{0,14}$/', $v ) ) { // Integer as General
+								$cv = ltrim( $v, '+' );
+								if ( $vl > 10 ) {
+									$N = self::N_INT; // [1] 0
+								}
+							} elseif ( preg_match( '/^[-+]?(0|[1-9]\d*)\.(\d+)$/', $v, $m ) ) {
+								$cv = ltrim( $v, '+' );
+								if ( strlen( $m[2] ) < 3 ) {
+									$N = self::N_DEC;
+								}
+							} elseif ( preg_match( '/^([-+]?\d+)%$/', $v, $m ) ) {
+								$cv = round( $m[1] / 100, 2 );
+								$N = self::N_PERCENT_INT; // [9] 0%
+							} elseif ( preg_match( '/^([-+]?\d+\.\d+)%$/', $v, $m ) ) {
+								$cv = round( $m[1] / 100, 4 );
+								$N = self::N_PRECENT_DEC; // [10] 0.00%
+							} elseif ( preg_match( '/^(\d\d\d\d)-(\d\d)-(\d\d)$/', $v, $m ) ) {
+								$cv = $this->date2excel( $m[1], $m[2], $m[3] );
+								$N = self::N_DATE; // [14] mm-dd-yy
+							} elseif ( preg_match( '/^(\d\d)\/(\d\d)\/(\d\d\d\d)$/', $v, $m ) ) {
+								$cv = $this->date2excel( $m[3], $m[2], $m[1] );
+								$N = self::N_DATE; // [14] mm-dd-yy
+							} elseif ( preg_match( '/^(\d\d):(\d\d):(\d\d)$/', $v, $m ) ) {
+								$cv = $this->date2excel( 0, 0, 0, $m[1], $m[2], $m[3] );
+								$N = self::N_TIME; // time
+							} elseif ( preg_match( '/^(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$/', $v, $m ) ) {
+								$cv = $this->date2excel( $m[1], $m[2], $m[3], $m[4], $m[5], $m[6] );
+								$N = self::N_DATETIME; // [22] m/d/yy h:mm
+							} elseif ( preg_match( '/^(\d\d)\/(\d\d)\/(\d\d\d\d) (\d\d):(\d\d):(\d\d)$/', $v, $m ) ) {
+								$cv = $this->date2excel( $m[3], $m[2], $m[1], $m[4], $m[5], $m[6] );
+								$N = self::N_DATETIME; // [22] m/d/yy h:mm
+							} elseif ( preg_match( '/^[0-9+-.]+$/', $v ) ) { // Long ?
+								$A = self::A_RIGHT;
+							} elseif ( preg_match( '/^https?:\/\/\S+$/i', $v ) ) {
+								$h = explode( '#', $v );
+								$this->sheets[ $idx ]['hyperlinks'][] = ['ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ), 'R' => $cname, 'H' => $h[0], 'L' => isset( $h[1] ) ? $h[1] : ''];
+								$F = self::F_HYPERLINK; // Hyperlink
+							} elseif ( preg_match( "/^[a-zA-Z0-9_\.\-]+@([a-zA-Z0-9][a-zA-Z0-9\-]*\.)+[a-zA-Z]{2,}$/", $v ) ) {
+								$this->sheets[ $idx ]['hyperlinks'][] = ['ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ), 'R' => $cname, 'H' => 'mailto:' . $v, 'L' => ''];
+								$F = self::F_HYPERLINK; // Hyperlink
+							}
+						}
+						if ( !$cv) {
+
+							$v = $this->esc( $v );
+
+							if ( mb_strlen( $v ) > 160 ) {
+								$ct = 'inlineStr';
+								$cv = $v;
+							} else {
+								$ct = 's'; // shared string
+								$cv = false;
+								$skey = '~' . $v;
+								if ( isset( $this->SI_KEYS[ $skey ] ) ) {
+									$cv = $this->SI_KEYS[ $skey ];
+								}
+								if ( $cv === false ) {
+									$this->SI[] = $v;
+									$cv = count( $this->SI ) - 1;
+									$this->SI_KEYS[ $skey ] = $cv;
+								}
+							}
+						}
+					} elseif ( is_int( $v ) ) {
+						$vl = mb_strlen( (string) $v );
+						$cv = $v;
+					} elseif ( is_float( $v ) ) {
+						$vl = mb_strlen( (string) $v );
+						$cv = $v;
+					} elseif ( $v instanceof DateTime ) {
+						$vl = 16;
+						$cv = $this->date2excel( $v->format('Y'), $v->format('m'), $v->format('d'), $v->format('H'), $v->format('i'), $v->format('s') );
+						$N = self::N_DATETIME; // [22] m/d/yy h:mm
+					} else {
+						continue;
+					}
+
+					$COL[ $CUR_COL ] = max( $vl, $COL[ $CUR_COL ] );
+
+					$cs = 0;
+					if ( $N + $F + $A > 0 ) {
+
+						if ( isset($this->F_KEYS[ $F ] ) ) {
+							$cf = $this->F_KEYS[ $F ];
+						} else {
+							$cf = count($this->F);
+							$this->F_KEYS[$F] = $cf;
+							$this->F[] = $F;
+						}
+						$NFA = 'N' . $N . 'F' . $cf . 'A' . $A;
+						if ( isset( $this->XF_KEYS[ $NFA ] ) ) {
+							$cs = $this->XF_KEYS[ $NFA ];
+						}
+						if ( $cs === 0 ) {
+							$cs = count( $this->XF );
+							$this->XF_KEYS[ $NFA ] = $cs;
+							$this->XF[] = [$N, $cf, $A];
+						}
+					}
+
+					$row .= '<c r="' . $cname . '"'.($ct ? ' t="'.$ct.'"' : '').($cs ? ' s="'.$cs.'"' : '').'>'
+					        .($ct === 'inlineStr' ? '<is><t>'.$cv.'</t></is>' : '<v>' . $cv . '</v>')."</c>\r\n";
+				}
+				$ROWS[] = $row . "</row>\r\n";
+			}
+			foreach ( $COL as $k => $max ) {
+				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max+1, 60).'" />';
+			}
+			$COLS[] = '</cols>';
+			$REF = 'A1:'.$this->num2name(count($COLS)) . $CUR_ROW;
+		} else {
+			$ROWS[] = '<row r="1"><c r="A1" t="s"><v>0</v></c></row>';
+			$REF = 'A1:A1';
+		}
+		$HYPERLINKS = [];
+		if ( count( $this->sheets[$idx]['hyperlinks']) ) {
+			$HYPERLINKS[] = '<hyperlinks>';
+			foreach ( $this->sheets[$idx]['hyperlinks'] as $h ) {
+				$HYPERLINKS[] = '<hyperlink ref="' . $h['R'] . '" r:id="' . $h['ID'] . '" location="' . $this->esc( $h['L'] ) . '" display="' . $this->esc( $h['H'] . ( $h['L'] ? ' - ' . $h['L'] : '' ) ) . '" />';
+			}
+			$HYPERLINKS[] = '</hyperlinks>';
+		}
+		//restore locale
+		setlocale(LC_NUMERIC, $_loc);
+
+		return str_replace(['{REF}','{COLS}','{ROWS}','{HYPERLINKS}'],
+			[ $REF, implode("\r\n", $COLS), implode("\r\n",$ROWS), implode("\r\n", $HYPERLINKS) ],
+			$template );
+	}
+
+	public function num2name($num) {
+		$numeric = ($num - 1) % 26;
 		$letter  = chr( 65 + $numeric );
 		$num2    = (int) ( ($num-1) / 26 );
 		if ( $num2 > 0 ) {
-			return $this->_num2name( $num2 - 1 ) . $letter;
+			return $this->num2name( $num2 ) . $letter;
 		}
-
 		return $letter;
 	}
-	private function _date2excel($year, $month, $day, $hours=0, $minutes=0, $seconds=0) {
+
+	public function date2excel($year, $month, $day, $hours=0, $minutes=0, $seconds=0) {
+	    $excelTime = (($hours * 3600) + ($minutes * 60) + $seconds) / 86400;
+
+	    if ( $year === 0 ) {
+	        return $excelTime;
+        }
+
 		// self::CALENDAR_WINDOWS_1900
 		$excel1900isLeapYear = True;
 		if (((int)$year === 1900) && ($month <= 2)) { $excel1900isLeapYear = False; }
@@ -376,8 +648,17 @@ class SimpleXLSXGen {
 		$decade = substr($year,2,2);
 		$excelDate = floor((146097 * $century) / 4) + floor((1461 * $decade) / 4) + floor((153 * $month + 2) / 5) + $day + 1721119 - $myExcelBaseDate + $excel1900isLeapYear;
 
-		$excelTime = (($hours * 3600) + ($minutes * 60) + $seconds) / 86400;
-
-			return (float) $excelDate + $excelTime;
-		}
-}
+		return (float) $excelDate + $excelTime;
+	}
+	public function setDefaultFont( $name ) {
+		$this->defaultFont = $name;
+		return $this;
+	}
+	public function setDefaultFontSize( $size ) {
+		$this->defaultFontSize = $size;
+		return $this;
+	}
+	public function esc( $str ) {
+		return str_replace( ['&', '<', '>', "\x03"], ['&amp;', '&lt;', '&gt;', ''], $str );
+	}
+}